Page 1: Service Manual
TASKalfa 3050ci TASKalfa 3550ci TASKalfa 4550ci TASKalfa 5550ci SERVICE MANUAL Published in January 2011 842LC110 2LCSM060 First Edition...
Page 2 Notation of products in the manual For the purpose of this service manual, products are identified by print speed at A4 and black and white modes. TASKalfa 3050ci: 30 ppm model TASKalfa 3550ci: 35 ppm model TASKalfa 4550ci: 45 ppm model...
Page 3 Revision history Revision Date Replaced pages Remarks...
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Page 5: Safety Precautions
Safety precautions This booklet provides safety warnings and precautions for our service personnel to ensure the safety of their customers, their machines as well as themselves during maintenance activities. Service personnel are advised to read this booklet carefully to familiarize themselves with the warnings and precautions described here before engaging in maintenance activities.
Page 6 Safety warnings and precautions Various symbols are used to protect our service personnel and customers from physical danger and to prevent damage to their property. These symbols are described below: DANGER: High risk of serious bodily injury or death may result from insufficient attention to or incorrect compliance with warning messages using this symbol.
Page 7: Installation Precautions
1. Installation Precautions WARNING • Do not use a power supply with a voltage other than that specified. Avoid multiple connections to one outlet: they may cause fire or electric shock. When using an extension cable, always check that it is adequate for the rated current...................... •...
Page 8 2. Precautions for Maintenance WARNING • Always remove the power plug from the wall outlet before starting machine disassembly....• Always follow the procedures for maintenance described in the service manual and other related brochures............................• Under no circumstances attempt to bypass or disable safety features including safety mechanisms and protective circuits.
Page 9 • Do not remove the ozone filter, if any, from the copier except for routine replacement....... • Do not pull on the AC power cord or connector wires on high-voltage components when removing them; always hold the plug itself......................•...
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Page 11 2LK/2LN/2LM/2LC CONTENTS 1-1 Specifications 1-1-1 Specifications ........................1-1-1 1-1-2 Parts names .......................... 1-1-6 (1) Machine ..........................1-1-6 (2) Option ..........................1-1-8 (3) Operation panel ........................ 1-1-9 1-1-3 Machine cross section ......................1-1-10 1-2 Installation 1-2-1 Installation environment......................1-2-1 1-2-2 Unpacking and installation..................... 1-2-2 (1) Installation procedure .......................
Page 12 (1) Precautions........................1-5-1 (2) Drum..........................1-5-1 (3) Toner ..........................1-5-1 (4) How to tell a genuine Kyocera Mita toner container ............1-5-2 1-5-2 Paper feed section......................... 1-5-3 (1) Detaching and refitting the primary feed unit..............1-5-3 (2) Detaching and refitting the forwarding pulley, paper feed pulley and separation pulley.
Page 13 2LK/2LN/2LM/2LC 1-5-8 Drive section ........................1-5-70 (1) Detaching and refitting the drum drive unit K and the drum drive unit MCY....1-5-70 (2) Detaching and refitting the main drive unit ..............1-5-73 (3) Detaching and refitting the fuser drive unit, transfer drive unit and feed drive unit..1-5-74 (4) Detaching and refitting the lift motor 1 and 2..............
Page 14 2LK/2LN/2LM/2LC 2-3-8 Feed PWB 2 ........................2-3-75 2-3-9 Relay PWB .......................... 2-3-81 2-3-10 Motor control PWB ......................2-3-87 2-3-11 LSU relay PWB........................2-3-91 2-4 Appendixes 2-4-1 Appendixes ..........................2-4-1 (1) Maintenance kits....................... 2-4-1 (2) Repetitive defects gauge ....................2-4-3 (3) Firmware environment commands ................... 2-4-4 (4) Chart of image adjustment procedures ................
Page 15 2LK/2LN/2LM/2LC 1-1 Specifications 1-1-1 Specifications Machine Specifications Item 30 ppm 35 ppm 45 ppm 55 ppm Type Desktop Printing method Electrophotography by semiconductor laser, tandem drum system Originals Sheet, Book, 3-dimensional objects (maximum original size: A3/Ledger) Original feed system Fixed Cassette 60 to 220 g/m 60 to 256 g/m...
Page 16 2LK/2LN/2LM/2LC Specifications Item 30 ppm 35 ppm 45 ppm 55 ppm 4.1 s or less 6.1 s or less 5.7 s or less 4.5 s or less First copy time (A4, feed from 5.4 s or less 8.0 s or less 7.3 s or less 5.8 s or less Color...
Page 17 2LK/2LN/2LM/2LC Specifications Item 30 ppm 35 ppm 45 ppm 55 ppm USB Interface Connector: 1 (USB Hi-Speed) Standard USB Port: 2 (Full-Speed USB) Network interface: 1 (10 BASE-T/100 BASE-TX/1000 BASE-T) Interface Fax slot: 2 Option Network interface: 1 (10 BASE-T/100 BASE-TX/1000 BASE-T) Resolution 600 ×...
Page 18 2LK/2LN/2LM/2LC Printer Specifications Item 30 ppm 35 ppm 45 ppm 55 ppm Printing speed Same as copying speed. 4.9 s or less 7.3 s or less 6.2 s or less 5.4 s or less First print time (A4, feed from 6.2 s or less 9.5 s or less 7.8 s or less...
Page 19 2LK/2LN/2LM/2LC Scanner Specifications Item 30 ppm 35 ppm 45 ppm 55 ppm CPU: 600 Mhz or higher System requirements RAM: 128 MB or more Resolution 600 dpi, 400 dpi, 300 dpi, 200 dpi, 200 ×100 dpi, 200 × 400 dpi TIFF (MMR/JPEG compression), JPEG, XPS, File format PDF (MMR/JPEG compression), PDF (high compression)
Page 20: Parts Names
2LK/2LN/2LM/2LC 1-1-2 Parts names (1) Machine Figure 1-1-1 1. Original size indicator plate 11. Handles 2. Slit glass 12. Release button 3. Toner container K 13. Waste toner box 4. Toner container M 14. Waste toner tray 5. Toner container C 15.
Page 21 2LK/2LN/2LM/2LC Figure 1-1-2 21. Inner tray 31. Paper conveying unit lever 22. Document processor (option) 32. Duplex cover lever 23. Original cover 33. Duplex cover 24. USB port 34. MP paper width guide 25. Cassettes 35. MP support Tray 26. Paper length guide 36.
Page 22 2LK/2LN/2LM/2LC (2) Option 5, 9 Figure 1-1-3 1. Machine 7. SMT paper feeder 2. Document processor 8. Side paper feeder (dual scan DP) 9. Side large capacity feeder 3. Document processor 10. 1000-sheet finisher (reversed DP) 11. 4000-sheet finisher 4. Paper feeder 12.
Page 23 2LK/2LN/2LM/2LC (3) Operation panel 16 17 18 19 22 23 24 25 26 27 28 Figure 1-1-4 1. Program key 11. Power key 21. Memory indicator 2. Status/Job cancel key 12. Counter key 22. Numeric keys 3. Copy key 13. Main power indicator 23.
Page 24: Machine Cross Section
2LK/2LN/2LM/2LC 1-1-3 Machine cross section Paper Path Figure 1-1-5 1. Cassette paper feed section 8. Drum unit C 15. Primary transfer section 2. MP tray paper feed section 9. Drum unit Y 16. Secondary transfer/Separa- 3. Paper conveying section 10. Developer unit K tion sections 4.
Page 25: Installation Environment
2LK/2LN/2LM/2LC 1-2 Installation 1-2-1 Installation environment 1. Temperature: 10 to 32.5°C/50 to 90.5°F 2. Humidity: 15 to 80% RH 3. Power supply: 120 V AC, 12.0 A 220 - 240 V AC, 7.2 A 4. Power source frequency: 50 Hz ± 2%/60 Hz ± 2% 5.
Page 26: Unpacking And Installation
2LK/2LN/2LM/2LC 1-2-2 Unpacking and installation (1) Installation procedure Start Unpacking Installing the waste toner box Replacing operation panel sheet Removing the eject spacer (230 V specifications only) Removing the tapes Install the original platen or DP (option) Installing the paper feeder (option) Install other optional devices Release the lock of the scanner mirror frame Install the cassette heater (option)
Page 27 2LK/2LN/2LM/2LC Moving the machine When moving the machine, pull out three carrying handles, and move with carrying handles and the hand- hold. Carrying Handhold handle Carrying handle Carrying handle Figure 1-2-2 1-2-3...
Page 28 2LK/2LN/2LM/2LC Unpacking 19,20 Figure 1-2-3 1. Machine 12. Machine cover 2. Outer case 13. Document tray 3. Inner case 14. Power cord 4. Top pad 15. Plastic bag 5. Skid 16. Operation guide 6. Bottom sheet 17. Paper size plate 7.
Page 29 2LK/2LN/2LM/2LC Removing the eject spacer 1. Remove the eject spacer and silica gel from the eject section. Silica gel Eject spacer Figure 1-2-4 Removing the tapes 1. Remove three tapes and then remove Tape A3 papers the A3 paper. 2. Remove two tapes and then remove the Tape A4 paper.
Page 30 2LK/2LN/2LM/2LC 3. Remove six tapes. Tape Tape Tape Tape Tapes Figure 1-2-6 Installing the paper feeder (option) 1. Install the optional paper feeder or large capacity feeder as necessary. 2. Verify levelness at the four corners of the contact glass using a level gauge, and adjust the level bolts at the bottom of the machine to optimize levelness.
Page 31 2LK/2LN/2LM/2LC Release the lock of the scanner mirror frame 1. Remove the scanner lock cover. 2. Mount the scanner lock cover in the reverse manner to restore in the original location. Scanner lock cover [Released] [Locked] Figure 1-2-7 1-2-7...
Page 32 2LK/2LN/2LM/2LC Release of lift plate stopper 1. Pull cassette 1 and 2 out. 2. Remove the lift plate stopper from each cassette and attach it to the storage location. When moving the machine, attach the lift plate in original position. Lift plate stopper Cassette...
Page 33 2LK/2LN/2LM/2LC 2. Press the guide lock lever to release the lock. 3. Grasp the paper width adjusting tab and move the paper width guides to fit the paper. Guide lock lever Paper width paper width guides adjusting tab Figure 1-2-10 4.
Page 34 2LK/2LN/2LM/2LC 5. Press the guide lock lever to lock. Guide lock lever Figure 1-2-12 6. Fold the paper size plate and the paper Paper media plate media plate in two and insert. 7. Gently push the cassette back in. Paper size plate Figure 1-2-13 1-2-10...
Page 35 2LK/2LN/2LM/2LC Installing the toner containers 1. Open the front cover. 2. Hold the toner container vertically and hit the upper part about 3 times. Invert the toner container so that the other end is up, and hit in the same way. 3.
Page 36 2LK/2LN/2LM/2LC Unlocking the developer waste 1. Press the stopper in four positions and rotate. [State of lock] [State of release] Stopper Stopper Figure 1-2-16 2. Remove a screw and slide the lever right wards. 3. Fix the lever using the screw previously removed at the right screw hole and unlock the developer waste.
Page 37 2LK/2LN/2LM/2LC Installing the waste toner box 1. Push the release button and pull out the waste toner tray. Waste toner tray 2. Open the lid and install the waste toner box. 3. Push the waste toner tray back in. *: The waste toner tray cannot be inserted in unless the developer waste lock is released.
Page 38 2LK/2LN/2LM/2LC Replacing operation panel sheet (230 V specifications only) 1. Insert a flat-head screwdriver and slide the operation panel covers A and B to remove them. Operation panel cover B Operation panel cover A Figure 1-2-19 2. Remove the clear panel. Clear panel Figure 1-2-20 1-2-14...
Page 39 2LK/2LN/2LM/2LC 3. Remove the operation panel sheet. Operation 4. Replace the operation panel sheet of panel sheet the corresponding language. 5. Refit the clear panel. 6. Refit the operation panel covers A and Figure 1-2-21 Install the original platen or DP (option) 1.
Page 40 2LK/2LN/2LM/2LC Adjusting the image 1. Turn the main power switch on. 2. Check the messages on the operation panel After completion of warming up, in case to display "Warning for high temperature. Adjust the room tem- perature." on the operation panel, follow the step 3. (Performing Drum Refresh) In case to display “Warning for low temperature.
Page 41 2LK/2LN/2LM/2LC 7. Make test copies. If image quality is unsatisfactory after test copying, execute Color Calibration, then retry U410-Adjusting the halftone automatically. 8. Setting the delivery date (see page 1-3-137) Enter 278 using the numeric keys and press the start key. Select [Today].
Page 42 2LK/2LN/2LM/2LC (2) Setting initial copy modes Factory settings are as follows: Maintenance Contents Factory setting item No. U253 Switching between double and single counts DBL(A3/Ledger) U260 Selecting the timing for copy counting Eject U276 Setting the copy count mode Mode0 U284 Setting 2 color copy mode U285...
Page 43 2LK/2LN/2LM/2LC 1-3 Maintenance Mode 1-3-1 Maintenance mode The machine is equipped with a maintenance function which can be used to maintain and service the machine. (1) Executing a maintenance item Start Enter “10871087” using Maintenance mode is entered. the numeric keys. Enter the maintenance item The maintenance item is selected.
Page 44 2LK/2LN/2LM/2LC (2) Maintenance modes item list Initial setting Item Section Content of maintenance item 30ppm 35ppm 45ppm 55ppm General U000 Outputting an own-status report U001 Exiting the maintenance mode U002 Setting the factory default data U003 Setting the service telephone number U004 Setting the machine number U010 Setting the maintenance mode ID U019 Displaying the ROM version...
Page 45 2LK/2LN/2LM/2LC Initial setting Item Section Content of maintenance item 30ppm 35ppm 45ppm 55ppm Drive, U053 Setting the adjustment of the motor speed paper feed Moter1 0/0/0/0/0 and paper Moter2 0/0/0/0/0/0/0/0/0 conveying system Moter3 0/0/0/0/0/0/0/0/0/0 Moter4 Moter5 0/0/0/0/0 Moter6 0/0/0/0/0/0/0/0/0 Moter1 Half 0/0/0/0/0 Moter2 Half 0/0/0/0/0/0/0...
Page 46 2LK/2LN/2LM/2LC Initial setting Item Section Content of maintenance item 30ppm 35ppm 45ppm 55ppm Optical U093 Adjusting the exposure density gradient Text 0/0/0/0 Mixed 0/0/0/0 Other 0/0/0/0 Fax Text Fax Photo U099 Adjusting original size detection 50/50/50/50/50/50/50/50/50/ 49/49/49/150 High U100 Adjusting main high voltage voltage Adj AC Bias Set AC Auto Adj...
Page 47 2LK/2LN/2LM/2LC Initial setting Item Section Content of maintenance item 30ppm 35ppm 45ppm 55ppm High U108 Setting separation shift bias voltage Output 21/21/21/21/0/21 Output 3/4 43/43/43/43 Output B/W 43/43/43/43 Timing U109 Checking the drum type U110 Checking the drum count U111 Checking the drum drive time U117 Checking the drum number U118 Displaying the drum history U119 Setting the drum...
Page 48 2LK/2LN/2LM/2LC Initial setting Item Section Content of maintenance item 30ppm 35ppm 45ppm 55ppm Developer U140 Calibration Magnification 0/0/0/0 Type Mode1 U148 Setting drum refresh mode U150 Checking sensors for toner U156 Setting the toner replenishment level U157 Checking the developer drive time U158 Checking the developer count Fuser U161 Setting the fuser control temperature...
Page 49 2LK/2LN/2LM/2LC Initial setting Item Section Content of maintenance item 30ppm 35ppm 45ppm 55ppm Operation U223 Operation panel lock Unlock panel and U224 Panel sheet extension support U234 Setting punch destination Inch (Inch)/Europe Metric (Metric) equipment U237 Setting finisher stack quantity U240 Checking the operation of the finisher U241 Checking the operation of the switches of the finisher...
Page 50 2LK/2LN/2LM/2LC Initial setting Item Content of maintenance item Section 30ppm 35ppm 45ppm 55ppm Mode U341 Specific paper feed location setting for printing setting function U343 Switching between duplex/simplex copy mode U345 Setting the value for maintenance due indication Image U402 Adjusting margins of image printing 4.0/3.0/3.0/3.9 processing U403 Adjusting margins for scanning an original on...
Page 51 2LK/2LN/2LM/2LC Initial setting Item Content of maintenance item Section 30ppm 35ppm 45ppm 55ppm Image U474 Checking LSU cleaning operation 1000 processing U485 Setting the image processing mode U486 Setting color/black and white operation mode Mode2 Others U901 Checking copy counts by paper feed locations U903 Checking/clearing the paper jam counts U904 Checking/clearing the call for service counts U905 Checking counts by optional devices...
Page 52 2LK/2LN/2LM/2LC (3) Contents of the maintenance mode items Item No. Description U000 Outputting an own-status report Description Outputs lists of the current settings of the maintenance items, and paper jam and service call occurrences. Outputs the event log or service status page. Also sends output data to the USB memory.
Page 53 2LK/2LN/2LM/2LC Item No. Description U000 Method: Send to the USB memory 1. Press the power key on the operation panel, and after verifying the main power indicator has gone off, switch off the main power switch. 2. Insert USB memory in USB memory slot. 3.
Page 54: Event Log
2LK/2LN/2LM/2LC Item No. Description U000 Event log Event Log 27/Oct/2010 08:40 Firmware version 2LC_2000.000.000 2010.10.27 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] (12) Paper Jam Log Counter Log Count. Event Descriprions J0000: J0041: C0000: T00: 9999999 0501.01.08.01.01 J0001: J0042: C0001: T01: 8888888 4002.01.08.01.01 J0002: J0043: C0002:...
Page 55 2LK/2LN/2LM/2LC Item No. Description U000 Detail of event log Items Description Controller BROM version Operation panel mask version Machine serial number Paper Jam Count. Event Remembers 1 to 16 of The total page count Log code (hexadeci- occurrence. If the occur- at the time of the mal, 5 categories) rence of the previous...
Page 56 2LK/2LN/2LM/2LC Item No. Description U000 Items Description Paper Jam (d) Detail of paper type (Hexadecimal) cont. 01: Plain 0A: Color 15: Custom 1 02: Transparency 0B: Prepunched 16: Custom 2 03: Preprinted 0C: Envelope 17: Custom 3 04: Labels 0D: Cardstock 18: Custom 4 05: Bond 0E: Coated...
Page 57 2LK/2LN/2LM/2LC Item No. Description U000 Items Description Service Call Count. Service Code Remembers 1 to 8 The total page Self diagnostic error code of occurrence of self count at the time of (See page 1-4-27) diagnostics error. If the self diagnostics the occurrence of error.
Page 58 2LK/2LN/2LM/2LC Item No. Description U000 Items Description (12) Counter Log (f) Paper jam (g) Self diagnostic (h) Maintenance item error replacing Comprised of Indicates the log Indicates the log Indicates the log coun- three log coun- counter of paper counter of self diag- ter depending on the ters including jams depending on...
Page 59: Service Status Page
2LK/2LN/2LM/2LC Item No. Description U000 Service status page (1) Service Status Page 27/10/2010 12:00 Firmware version 2LC_2000.000.000 2010.10.27 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] Controller Information Memory status Total Size 2.0 GB (32) FRPO Status Default Pattern Switch Time Default Font Number C5*1000+C2*100+C3 00000 Local Time Zone +01:00 Amsterdam...
Page 60 2LK/2LN/2LM/2LC Item No. Description U000 Service status page (2) Service Status Page 27/10/2010 12:00 Firmware version 2LC_2000.000.000 2010.10.27 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] Engine Information Send Information (33) (37) NVRAM Version _1F31225_1F31225 Date and Time 10/10/27 (34) (38) Scanner Version 2LC_1200.001.089 Address (35) FAX Slot1 FAX BOOT Version...
Page 61 2LK/2LN/2LM/2LC Item No. Description U000 Detail of service status page Description Supplement Firmware version System date Engine soft version Engine boot version Operation panel mask version Machine serial number Total memory size Local time zone Report output date Day/Month/Year hour:minute (10) NTP server name (11)
Page 62 2LK/2LN/2LM/2LC Item No. Description U000 Description Supplement (27) Fax kit information This item is printed only when the fax kit is installed. (28) Number of rings 0 to 15 (29) Number of rings before auto- 0 to 15 matic switching (30) Number of rings before connect- 0 to 15...
Page 63 2LK/2LN/2LM/2LC Item No. Description U000 Description Supplement (43) Life counter (The first line) Machine life/MP tray/Cassette 1/Cassette 2/ Cassette 3/Cassette 4/Duplex (44) Life counter (The second line) Drum unit K/Drum unit C/Drum unit M/Drum unit Y/ Transfer belt unit/Developer unit K/ Developer unit C/Developer unit M/ Developer unit Y/Maintenance kit A/ Maintenance kit B...
Page 64 2LK/2LN/2LM/2LC Item No. Description U000 Description Supplement (59) Calibration information Black/Cyan/Magenta/Yellow (60) Calibration information (61) Calibration information (62) Calibration information (63) Calibration information (64) Calibration information (65) Calibration information (66) Calibration information (67) Calibration information (68) Calibration information (69) RFID information (70) RFID reader/writer version infor- mation...
Page 65 2LK/2LN/2LM/2LC Item No. Description U002 Setting the factory default data Description Restores the machine conditions to the factory default settings. Purpose To move the mirror frame of the scanner to the position for transport. Method 1. Press the start key. 2.
Page 66 2LK/2LN/2LM/2LC Item No. Description U004 Setting the machine number Description Sets or displays the machine number. Purpose To check or set the machine number. Method 1. Press the start key. If the machine serial number of engine PWB matches with that of main PWB Display Description Machine No.
Page 67 2LK/2LN/2LM/2LC Item No. Description U010 Setting the maintenance mode ID Description Sets the maintenance mode ID. Purpose Modify maintenance mode ID for more security. Method 1. Press the start key. Display Description New ID Enter a new 8-digit ID New ID(Reconfirm) Enter a new 8-digit ID (to confirm) Initialize Initialize the ID...
Page 68 2LK/2LN/2LM/2LC Item No. Description U019 Displaying the ROM version Description Displays the part number of the ROM fitted to each PWB. Purpose To check the part number or to decide, if the newest version of ROM is installed. Method 1. Press the start key. The ROM version are displayed. 2.
Page 69 2LK/2LN/2LM/2LC Item No. Description U019 Display Description Side paper feeder / Side large capacity feeder ROM PF2 Boot Side paper feeder / Side large capacity feeder booting 1000-sheet finisher / 4000-sheet finisher ROM DF Boot 1000-sheet finisher / 4000-sheet finisher booting Punch unit ROM PH Boot Punch unit booting...
Page 70 2LK/2LN/2LM/2LC Item No. Description U021 Memory initializing Description Initializes all settings, except those pertinent to the type of machine, namely each counter, ser- vice call history and mode setting. Also initializes backup RAM according to region specification selected in maintenance item U252 Setting the destination. Purpose To return the machine settings to their factory default.
Page 71 2LK/2LN/2LM/2LC Item No. Description U024 HDD formatting Description Initializes the hard disk. Purpose To initialize the hard disk when replacing the hard disk after shipping. Caution In addition, the following settings are also initialized by initializing the hard disk. System menu (user login administration, job accounting, address book, one-touch keys and doc- ument box etc.), shortcuts and panel programs When fully formatted, the following pre-installed software are removed.
Page 72 2LK/2LN/2LM/2LC Item No. Description U030 Checking the operation of the motors Description Drives each motor. Purpose To check the operation of each motor. Method 1. Press the start key. 2. Select the motor to be operated. 3. Press the start key. The operation starts. Display Description Feed...
Page 73 2LK/2LN/2LM/2LC Item No. Description U031 Checking switches and sensors for paper conveying Description Displays the on-off status of each paper detection switch or sensor on the paper path. Purpose To check if the switches and sensors for paper conveying operate correctly. Method 1.
Page 74 2LK/2LN/2LM/2LC Item No. Description U032 Checking the operation of the clutches Description Turns each clutch on. Purpose To check the operation of each clutch. Method 1. Press the start key. 2. Select the clutch to be operated. 3. Press the start key. The operation starts. Display Description Feed1...
Page 75 2LK/2LN/2LM/2LC Item No. Description U033 Checking the operation of the solenoids Description Turns each solenoid on. Purpose To check the operation of each solenoid. Method 1. Press the start key. 2. Select the solenoid to be operated.z 3. Press the start key. The operation starts. Display Description Pick Up1...
Page 76 2LK/2LN/2LM/2LC Item No. Description U034 Adjustment: Leading edge registration adjustment 1. Press the system menu key. 2. Press the start key to output a test pattern. 3. Press the system menu key. 4. Select the item to be adjusted. [LSU Out Top] Setting Initial Change in...
Page 77 2LK/2LN/2LM/2LC Item No. Description U034 [LSU Out Top B/W] [LSU Out Top 3/4] Setting Initial Change in Display Description range setting value per step MPT(L) Paper feed from MP tray -3.0 to 3.0 0.1 mm (when large size paper is used) Cassette(L) Paper feed from cassette -3.0 to 3.0...
Page 78 2LK/2LN/2LM/2LC Item No. Description U034 Adjustment: Center line adjustment 1. Press the system menu key. 2. Press the start key to output a test pattern. 3. Press the system menu key. 4. Select the item to be adjusted. Setting Initial Change in Display Description...
Page 79 2LK/2LN/2LM/2LC Item No. Description U035 Setting the printing area for folio paper Description Changes the printing area for copying on folio paper. Purpose To prevent cropped images on the trailing edge or left/right side of copy paper by setting the actual printing area for folio paper.
Page 80 2LK/2LN/2LM/2LC Item No. Description U037 Checking the operation of the fan motors Description Drives each fan motor. Purpose To check the operation of each fan motor. Method 1. Press the start key. 2. Select the fan motor to be operated. 3.
Page 81 2LK/2LN/2LM/2LC Item No. Description U039 Adjusting the magnification Description Adjusts the magnification of the printing. Purpose Make the adjustment if the magnification in the main scanning direction is incorrect. Make the adjustment if the magnification in the auxiliary scanning direction is incorrect. Caution Adjust the magnification of the scanner in the following order.
Page 82 2LK/2LN/2LM/2LC Item No. Description U039 Adjustment: [Vertical] 1. Change the setting value using the +/- keys or numeric keys. Increasing the setting makes the image longer, and decreasing it makes the image shorter. 350 ± 1.4 mm Figure 1-3-7 2. Press the start key. The value is set. Completion Press the stop key.
Page 83 2LK/2LN/2LM/2LC Item No. Description U051 Adjustment 1. Press the system menu key. 2. Place an original and press the start key to make a test copy. 3. Press the system menu key. 4. Select the item to be adjusted.[LSU Out Top] [Paper Loop Amount] Setting Initial...
Page 84 2LK/2LN/2LM/2LC Item No. Description U051 [LSU Out Top B/W] [LSU Out Top 3/4] Setting Initial Change in Display Description range setting value per step MPT(L) Paper feed from MP tray -30 to 20 1.0 mm (when large size paper is used) Cassette(L) Paper feed from cassette -30 to 20...
Page 85 2LK/2LN/2LM/2LC Item No. Description U052 Setting the fuser motor control Description Enters the sensor data values described on the supplied sheet provided when the loop sensor is replaced and performs correction processing for the fuser motor. Purpose To perform when replacing the loop sensor or paper conveying unit. Method 1.
Page 86 2LK/2LN/2LM/2LC Item No. Description U053 Setting the adjustment of the motor speed Description Performs fine adjustment of the speeds of the motors. Purpose Basically, the setting need not be changed. Modify settings by interlock setting only if faulty images occur. Method 1.
Page 87 2LK/2LN/2LM/2LC Item No. Description U053 Setting: [Motor1] 1. Select the item to be adjusted. Setting Initial Display Description range setting Drum(K) Drum motor K (DRM-K) -500 to 500 Drum(CMY) Drum motor C, M, Y (DRM-C, M, Y) -500 to 500 Setting: [Motor2] 1.
Page 88 2LK/2LN/2LM/2LC Item No. Description U053 Setting: [Motor5] 1. Select the item to be adjusted. Setting Initial Display Description range setting Dev B/W(K) Developer motor K (DEVM-K) in -500 to 500 black/white mode Trans Belt B/W Transfer motor (TRM) in black/white -500 to 500 mode Regist B/W*...
Page 89 2LK/2LN/2LM/2LC Item No. Description U053 Setting: [Motor2 Half] 1. Select the item to be adjusted. Setting Initial Display Description range setting Dev(K) Developer motor K (DEVM-K) in half -500 to 500 speed Dev(CMY) Developer motor MCY (DEVM-MCY) in -500 to 500 half speed Trans Belt Transfer motor (TRM) in half speed...
Page 90 2LK/2LN/2LM/2LC Item No. Description U053 Setting: [Motor3 3/4] 1. Select the item to be adjusted. Setting Initial Display Description range setting Eject motor (EM) -500 to 500 Fixing Fuser motor (FUM) -500 to 500 Bridge1 Bridge conveying motor 1 (BRCM1) -500 to 500 Bridge2 Bridge conveying motor 2 (BRCM2)
Page 91 2LK/2LN/2LM/2LC Item No. Description U059 Setting fan mode Description Specifies mode for paper conveying fan motors during conveying paper. Purpose Change mode if paper crease occurs. Method 1. Press the start key. 2. Select the mode. Display Description Fan Mode Sets temperature at which paper conveying fan motors operate.
Page 92 2LK/2LN/2LM/2LC Item No. Description U061 Checking the operation of the exposure lamp Description Lights the exposure lamp. Purpose To check whether the exposure lamp are turned on. Method 1. Press the start key. 2. Select the item. Display Description The exposure lamp lights The CIS lights (when dual scan DP is installed) 3.
Page 93 2LK/2LN/2LM/2LC Item No. Description U065 Adjusting the scanner magnification Description Adjusts the magnification of the original scanning. Purpose Make the adjustment if the magnification in the main scanning direction is incorrect. Make the adjustment if the magnification in the auxiliary scanning direction is incorrect. Caution Adjust the magnification of the scanner in the following order.
Page 94 2LK/2LN/2LM/2LC Item No. Description U065 Adjustment: [X Scan Zoom] 1. Change the setting value using the +/- keys or numeric keys. For copy example 1, increase the value. For copy example 2, decrease the value. Copy Original Copy example 2 example 1 Figure 1-3-10 2.
Page 95 2LK/2LN/2LM/2LC Item No. Description U066 Adjusting the scanner leading edge registration Description Adjusts the scanner leading edge registration of the original scanning. Purpose Make the adjustment if there is a regular error between the leading edges of the copy image and original.
Page 96 2LK/2LN/2LM/2LC Item No. Description U067 Adjusting the scanner center line Description Adjusts the scanner center line of the original scanning. Purpose Make the adjustment if there is a regular error between the center lines of the copy image and original. Adjustment 1.
Page 97 2LK/2LN/2LM/2LC Item No. Description U068 Adjusting the scanning position for originals from the DP Description Adjusts the position for scanning originals from the DP. Performs the test copy at the four scan- ning positions after adjusting. Purpose Used when the image fogging occurs because the scanning position is not proper when the DP is used.
Page 98 2LK/2LN/2LM/2LC Item No. Description U070 Adjusting the DP magnification Description Adjusts the DP original scanning speed. Purpose Make the adjustment if the magnification is incorrect in the auxiliary scanning direction when the DP is used. Adjustment 1. Press the start key. 2.
Page 99 2LK/2LN/2LM/2LC Item No. Description U070 Adjustment: [Y Scan Zoom] 1. Change the setting value using the +/- keys or numeric keys. For copy example 1, increase the value. For copy example 2, decrease the value. Copy Original Copy example 2 example 1 Figure 1-3-14 2.
Page 100 2LK/2LN/2LM/2LC Item No. Description U071 Adjusting the DP scanning timing Description Adjusts the DP original scanning timing. Purpose Make the adjustment if there is a regular error between the leading or trailing edges of the origi- nal and the copy image when the DP is used. Method 1.
Page 101 2LK/2LN/2LM/2LC Item No. Description U071 Adjustment: Leading edge registration 1. Change the setting value using the +/- keys or numeric keys. For copy example 1, increase the value. For copy example 2, decrease the value. Original Copy Copy example 1 example 2 Figure 1-3-15 2.
Page 102 2LK/2LN/2LM/2LC Item No. Description U072 Adjusting the DP center line Description Adjusts the scanning start position for the DP original. Purpose Make the adjustment if there is a regular error between the centers of the original and the copy image when the DP is used. Adjustment 1.
Page 103 2LK/2LN/2LM/2LC Item No. Description U073 Checking the scanner operation Description Simulates the scanner operation under the arbitrary conditions. Purpose To check the scanner operation. Method 1. Press the start key. 2. Select the item to be operated. Display Description Scanner Motor Scanner operation Home Position Home position operation...
Page 104 2LK/2LN/2LM/2LC Item No. Description U073 Method: [Home Position] 1. Select [Home Position]. 2. Press the start key. The mirror frame of the scanner moves to the home position. Method: [Dust Check] 1. Select [Dust Check]. 2. Press the start key. The exposure lamp lights. 3.
Page 105 2LK/2LN/2LM/2LC Item No. Description U087 Setting DP reading position modification operation Description The presence or absence of dust is determined by comparing the scan data of the original trailing edge and that taken after the original is conveyed past the DP original scanning position. If dust is identified, the DP original scanning position is adjusted for the following originals.
Page 106 2LK/2LN/2LM/2LC Item No. Description U089 Outputting a MIP-PG pattern Description Selects and outputs the MIP-PG pattern created in the machine. Purpose To check copier status other than scanner when adjusting image printing, using MIP-PG pattern output (with-out scanning). Method 1. Press the start key. 2.
Page 107 2LK/2LN/2LM/2LC Item No. Description U091 Setting the white line correction Description Sets the error detection threshold value for white line correction and displays the count result of abnormal pixels. Purpose To perform when replacing the CIS, DP main PWB or CIS roller. Method 1.
Page 108 2LK/2LN/2LM/2LC Item No. Description U091 How to view test copies blank sheet black band Causes Corrective measures No lines No lines Complete Black lines White lines Dirty CIS roller or CIS Clean CIS roller or CIS glass glass and then perform U091 again Black lines No lines Engine side...
Page 109 2LK/2LN/2LM/2LC Item No. Description U093 Adjusting the exposure density gradient Description Changes the exposure density gradient in the manual density mode, depending on respective image quality modes. Purpose To set how the image density is altered by a change of one step in the manual density adjustment for respective image quality modes.
Page 110 2LK/2LN/2LM/2LC Item No. Description U093 Setting: [Fax Text/Fax Photo] 1. Select the item to be set. 2. Change the setting value using the +/- or numeric keys. Setting Initial Display Description range setting Darker Gradient for darker setting 0 to 3 Lighter Gradient for lighter setting 0 to 3...
Page 111 2LK/2LN/2LM/2LC Item No. Description U099 Setting: [B/W Level1] 1. Select an item to be set. 2. Change the setting value using the +/- keys or numeric keys.l Setting Initial Display Description range setting Original R1 - 3 Original threshold value for color R 0 to 255 50/50/50 Original G1 - 3...
Page 112 2LK/2LN/2LM/2LC Item No. Description U100 Adjusting main high voltage Description Controls the charger roller voltage to optimize the surface potential. Purpose To change the setting value to adjust the image if an image failure (background blur, etc.) occurs. Method 1. Press the start key. 2.
Page 113 2LK/2LN/2LM/2LC Item No. Description U100 Displaying: [Set DC Bias] 1. The current setting is displayed. Display Description DC1 Bias(C) Main charger DC bias for cyan (full speed) DC1 Bias Half(C) Main charger DC bias for cyan (half speed) DC1 Bias(M) Main charger DC bias for magenta (full speed) DC1 Bias Half(M) Main charger DC bias for magenta (half speed)
Page 114 2LK/2LN/2LM/2LC Item No. Description U100 Setting: [Set Charger Freq] 1. Select the item to be set. 2. Change the value using the +/- or numeric keys.l Setting Initial Display Description range setting Generally Main charger frequency 0 to 65535 1429 /1333 Main charger frequency in black/white mode 0 to 65535 28544...
Page 115 2LK/2LN/2LM/2LC Item No. Description U101 Setting the voltage for the primary transfer Description Sets the control voltage for the primary transfer. Purpose To change the setting when any density problems, such as too dark or light, occur. Setting 1. Press the start key. 2.
Page 116 2LK/2LN/2LM/2LC Item No. Description U101 Setting: [Add Color 2nd] 1. Select the item to be set. 2. Change the value using the +/- or numeric keys.l Setting Initial Display Description range setting Addition value for the second side (cyan) -127 to 127 Addition value for the second side (magenta) -127 to 127 Addition value for the second side (yellow)
Page 117 2LK/2LN/2LM/2LC Item No. Description U106 Setting the voltage for the secondary transfer Description Sets the control voltage for the secondary transfer depending on each paper type. Purpose To change the setting when any density problems, such as too dark or light, occur. Method 1.
Page 118 2LK/2LN/2LM/2LC Item No. Description U106 Setting: [Normal2/3] 1. Select the item to be set. Display Description Control voltage for the transfer bias for the first side (full speed) Control voltage for the transfer bias for the second side (full speed) 1st 3/4(Gloss) Control voltage for the transfer bias for the first side at 3/4 times of line speed...
Page 119 2LK/2LN/2LM/2LC Item No. Description U106 Setting: [Heavy2-5] 1. Select the item to be set. Display Description 1st Half Control voltage for the transfer bias for the first side (half speed) 2nd Half Control voltage for the transfer bias for the second side (half speed) 2.
Page 120 2LK/2LN/2LM/2LC Item No. Description U106 Supplement While this maintenance item is being executed, copying from an original is available in interrupt copying mode (which is activated by pressing the system menu key). Completion Press the stop key. The screen for selecting a maintenance item No. is displayed. U107 Setting the transfer cleaning voltage Description...
Page 121 2LK/2LN/2LM/2LC Item No. Description U108 Setting separation shift bias Description Adjusts output of separation shift bias and ON/OFF timing. Purpose To set when the separated malfunction of the paper occurs. Method 1. Press the start key. 2. Select the item to be set. Display Description Output...
Page 122 2LK/2LN/2LM/2LC Item No. Description U108 Setting: [Output 3/4 / Output B/W] 1. Select the item to be set. 2. Change the setting value using the +/- or numeric key. Setting Initial Display Description range setting Light 1st Separation shift bias for the first side on 0 to 255 paper with thickness 52 to 59 g/m Light 2nd...
Page 123 2LK/2LN/2LM/2LC Item No. Description U109 Checking the drum type Description Displays the drum sensitivity data. Purpose To check the drum sensitivity data. Method 1. Press the start key. 2. Select the item. Display Description Dark(C) Drum sensitivity data for cyan (dark potential) Light(C) Drum sensitivity data for cyan (light potential) Dark(M)
Page 124 2LK/2LN/2LM/2LC Item No. Description U111 Checking the drum drive time Description Displays the drum drive time for checking a figure, which is used as a reference when correcting the high voltage based on time. Purpose To check the drum status. Method 1.
Page 125 2LK/2LN/2LM/2LC Item No. Description U118 Displaying the drum history Description Displays the past record of machine number and the drum counter. Purpose To check the count value of machine number and the drum counter. Method 1. Press the start key. 2.
Page 126 2LK/2LN/2LM/2LC Item No. Description U122 Checking the transfer belt unit number Description Displays the number of the transfer belt unit for checking. Purpose To check the number of the transfer belt. Method 1. Press the start key. The current number of the transfer belt is displayed. Completion Press the stop key.
Page 127 2LK/2LN/2LM/2LC Item No. Description U124 Checking/clearing the transfer drive time Description Displays and clears the counts of the transfer drive time. Purpose To check the drive time after replacement of the transfer belt unit or transfer roller. Also to clear the counts after replacing transfer roller.
Page 128 2LK/2LN/2LM/2LC Item No. Description U128 Setting transfer high-voltage timing Description Adjusts the ON/OFF timing of transfer high-voltage output. Purpose Basically, the setting need not be changed. If any problem such as faulty images or dirt on the back surface occurs, change the setting. Method 1.
Page 129 2LK/2LN/2LM/2LC Item No. Description U131 Adjusting the toner sensor control voltage Description Adjusts the toner sensor control voltage. Purpose If control values are not correctly retrievable due to the EEPROM of the developer unit failure, etc., use manual adjustment and obtain a temporary control value. Method 1.
Page 130 2LK/2LN/2LM/2LC Item No. Description U131 Setting: [Mode] 1. Select the item to be set. Display Description Manual Toner sensor control voltage manual adjustment Auto Toner sensor control voltage auto adjustment Initial setting: Auto 2. Press the start key. The value is set. Completion Press the stop key.
Page 131 2LK/2LN/2LM/2LC Item No. Description U135 Checking toner motor operation Description Drives toner motors. Purpose To check the operation of toner motors. Remarks When driving the toner motors long time or several times, developer section becomes the toner full and is locked. Method 1.
Page 132 2LK/2LN/2LM/2LC Item No. Description U139 Displaying the temperature and humidity outside the machine Description Displays the detected temperature and humidity outside the machine. Purpose To check the temperature and humidity outside the machine. Method 1. Press the start key. 2. Select the item. Display Description Ext/Int...
Page 133 2LK/2LN/2LM/2LC Item No. Description U140 Displaying developer bias Description Displays and changes various developer bias value. Purpose To check or changes the developer bias value. Method 1. Press the start key. 2. Select the item to be set. Display Description Sleeve DC Developer sleeve roller DC bias Sleeve AC...
Page 134 2LK/2LN/2LM/2LC Item No. Description U140 Setting: [Sleeve AC] 1. Select the item to be set. 2. Change the setting value using the +/- keys or numeric keys. Initial setting Setting Display Description range 30 ppm/ 45 ppm/ 35 ppm 55 ppm Developer sleeve roller AC bias for cyan 0 to 255 Developer sleeve roller AC bias for 0 to 255...
Page 135 2LK/2LN/2LM/2LC Item No. Description U140 Setting: [Mag AC] 1. Select the item to be set. 2. Change the setting value using the +/- keys or numeric keys. Initial setting Setting Display Description range 30 ppm/ 45 ppm/ 35 ppm 55 ppm Developer magnet roller AC bias for 0 to 255 cyan...
Page 136 2LK/2LN/2LM/2LC Item No. Description U140 Setting: [Mag Duty] 1. Select the item to be set. 2. Change the setting value using the +/- keys or numeric keys. Initial setting Setting Display Description range 30 ppm/ 45 ppm/ 35 ppm 55 ppm Normal Developer magnet roller duty 0 to 99...
Page 137 2LK/2LN/2LM/2LC Item No. Description U140 Setting: [Magnification] 1. Select the item to be set. 2. Change the setting value using the +/- keys or numeric keys. Setting Initial Display Description range setting Target bias value (cyan) -10 to 5 Target bias value (magenta) -10 to 5 Target bias value (yellow) -10 to 5...
Page 138 2LK/2LN/2LM/2LC Item No. Description U150 Checking sensors for toner Description Displays the toner sensor output value. Purpose To check the output value for each color when any image problems occur. Method 1. Press the start key. 2. Select the item to be display. Display Description Waste Toner...
Page 139 2LK/2LN/2LM/2LC Item No. Description U156 Setting the toner replenishment level Description Sets the toner replenishment level for each color. Purpose To change settings according to the original image. Method 1. Press the start key. 2. Select the item to be set. Display Description Supply...
Page 140 2LK/2LN/2LM/2LC Item No. Description U157 Checking the developer drive time Description Displays the developer drive time for checking a figure, which is used as a reference when cor- recting the toner control. Purpose To check the developer drive time after replacing the developer unit. Method 1.
Page 141 2LK/2LN/2LM/2LC Item No. Description U161 Setting the fuser control temperature Description Changes the fuser control temperature. Purpose Normally no change is necessary. However, can be used to prevent curling or creasing of paper, or solve a fuser problem on thick paper. Method 1.
Page 142 2LK/2LN/2LM/2LC Item No. Description U161 Setting: [Print] 1. Select the item to be set. 2. Change the setting value using the +/- keys. Setting Initial Display Description range setting Full Speed Temperature at maximum print speed 130 to 200(°C) 165 (Center) (Center) Duplex Shift...
Page 143 2LK/2LN/2LM/2LC Item No. Description U168 Checking/clearing the fuser drive time Description Displays or clears the fuser drive time. Purpose To check the fuser drive time after replacing the fuser unit. Method 1. Press the start key. The fuser drive time is displayed. Display Description Press...
Page 144 2LK/2LN/2LM/2LC Item No. Description U199 Displaying fuser heater temperature Description Displays the detected fuser temperature. Purpose To check the fuser temperature. Method 1. Press the start key. The fuser temperature is displayed. Display Description Heat Roller Edge1 Heat roller edge temperature (°C) Heat Roller Edge2 Heat roller edge temperature (°C) Heat Roller Center...
Page 145 2LK/2LN/2LM/2LC Item No. Description U201 Initializing the touch panel Description Automatically correct the positions of the X- and Y-axes of the touch panel. Purpose To automatically correct the display positions on the touch panel after it is replaced. Method 1. Press the start key. 2.
Page 146 2LK/2LN/2LM/2LC Item No. Description U202 Setting the KMAS host monitoring system Description Initializes or operates the KMAS host monitoring system. This is an optional device which is currently supported only by Japanese specification machines, so no setting is necessary. Purpose Performed at installation, periodic maintenance, and/or repair.
Page 147 2LK/2LN/2LM/2LC Item No. Description U203 Checking DP operation Description Simulates the original conveying operation separately in the DP. Purpose To check the DP operation. Method 1. Press the start key. 2. Place an original in the DP if running this simulation with paper. 3.
Page 148 2LK/2LN/2LM/2LC Item No. Description U204 Setting the presence or absence of a key card or key counter Description Sets the presence or absence of the optional key card or key counter. Purpose To run this maintenance item if a key card or key counter is installed. Method 1.
Page 149 2LK/2LN/2LM/2LC Item No. Description U206 Setting the presence or absence of a coin vender Description Sets the presence or absence of the optional coin vender. This is an optional device which is currently supported only by Japanese specification machines. Purpose To run this maintenance item if a coin vender is installed.
Page 150 2LK/2LN/2LM/2LC Item No. Description U206 Setting: [Price] 1. Select the item to be set. Display Description Black & White Single color C, M, Y Single color R, G, B Full Color Full color Initial setting: Off 2. Select the paper size to be set. 3.
Page 151 2LK/2LN/2LM/2LC Item No. Description U208 Setting the paper size for the side feeder Description Sets the size of paper used in side feeder. Purpose To change the setting when installing the side feeder or the size of paper used in the side feeder is changed.
Page 152 2LK/2LN/2LM/2LC Item No. Description U221 Setting the USB host lock function Description Specifies ON/OFF the USB host lock function. Setting this to ON causes the machine to be unable to recognize the device connected to the USB host. Purpose Set according to the preference of the user. Method 1.
Page 153 2LK/2LN/2LM/2LC Item No. Description U223 Operation panel lock Description Sets the operation panel lock function to ON or OFF. Purpose To restrict operation in the system menu on the operation panel. Setting 1. Press the start key. 2. Select the item. Display Description Unlock...
Page 154 2LK/2LN/2LM/2LC Item No. Description U224 Panel sheet extension Description Changes the image data and the message of the opening screen at the machine startup and the image data and the message of the service call screen to user specified data. Purpose Set according to the preference of the user.
Page 155 2LK/2LN/2LM/2LC Item No. Description U234 Setting punch destination Description Sets the destination of punch unit of 1000-sheet finisher or 4000-sheet finisher. Purpose To be set when installing a different punch unit from the destination of the machine. Setting 1. Press the start key. 2.
Page 156 2LK/2LN/2LM/2LC Item No. Description U237 Setting finisher stack quantity Description Sets the number of sheets of each stack on the main tray and on the middle tray in 4000-sheet finisher. Purpose To change the setting when a stack malfunction has occurred. Method 1.
Page 157 2LK/2LN/2LM/2LC Item No. Description U240 Checking the operation of the finisher Description Turns each motor and solenoid of 1000-sheet finisher or 4000-sheet finisher ON. Purpose To check the operation of each motor and solenoid of the 1000-sheet finisher or 4000-sheet fin- isher.
Page 158 2LK/2LN/2LM/2LC Item No. Description U240 Display Description Eject Unlock(Full) DF eject release motor (DFERM) full-open drive position Punch Punch motor (PUM) is turned on Punch Move Punch slide motor (PUSLM) is turned on Method: [Solenoid] 1. Select the item to be operated. 2.
Page 159 2LK/2LN/2LM/2LC Item No. Description U241 Checking the operation of the switches of the finisher Description Displays the status of each switches and sensors of 1000-sheet finisher or 4000-sheet finisher. Purpose To check the operation of each switches and sensors of the 1000-sheet finisher or 4000-sheet finisher.
Page 160 2LK/2LN/2LM/2LC Item No. Description U241 Display Description Match Paddle DF adjustment sensor (DFADS) Lead Paddle DF paddle sensor (DFPDS) Shift Front HP DF shift sensor 1 (DFSFS1) Shift Tail HP DF shift sensor 2 (DFSFS2) Shift Unlock HP DF shift release sensor (DFSFRS) Sub Tray Full DF sub tray full sensor (DFSTFS) Shift Set...
Page 161 2LK/2LN/2LM/2LC Item No. Description U241 Method: [Booklet] 1. Turn each switch or sensor on and off manually to check the status. When the on-status of a switch or sensor is detected, that switch or sensor is displayed in reverse. Display Description CF paper entry sensor (CFPES) Eject...
Page 162 2LK/2LN/2LM/2LC Item No. Description U243 Checking the operation of the DP motors Description Turns the motors or solenoids in the DP on. Purpose To check the operation of the DP motors and solenoids. Method 1. Press the start key. 2. Select the item to be operated. 3.
Page 163 2LK/2LN/2LM/2LC Item No. Description U244 Checking the DP switches Description Displays the status of the respective switches and sensors in the DP. Purpose To check if respective switches and sensors in the DP operate correctly. Method 1. Press the start key. 2.
Page 164 2LK/2LN/2LM/2LC Item No. Description U245 Checking messages Description Displays a list of messages on the touch panel of the operation panel. Purpose To check the messages to be displayed. Method 1. Press the start key. 2. Change the message using the cursor up/down keys. When a message number is entered with the numeric keys and then the start key is pressed, the message corresponding the specified number is displayed.
Page 165 2LK/2LN/2LM/2LC Item No. Description U246 Setting the finisher Description Provides various settings for the 1000-sheet finisher or 4000-sheet finisher, if furnished. Purpose Adjustment of registration stop timing in punch mode Adjust if skewed paper conveying occurs or if the copy paper is Z-folded in punch mode. Adjustment of paper stop timing in the punch mode To adjust this item when the position of a punch hole is different from the specified one.
Page 166 2LK/2LN/2LM/2LC Item No. Description U246 Setting: [Punch Regist] 1. Select [Punch Regist]. 2. Change the setting value using the +/- keys or numeric keys. Description Setting Initial Change in range setting value per step Adjustment of registration stop timing -20 to 20 0.25 mm If skewed paper conveying occurs (sample 1), increase the setting value.
Page 167 2LK/2LN/2LM/2LC Item No. Description U246 Setting: [Punch Width] 1. Select [Punch Width]. 2. Change the setting value using the +/- keys or numeric keys. Description Setting Initial Change in range setting value per step Adjustment of the punch center position timing -4 to 4 0.52 mm If the punch hole is too close to the front of the machine, increase the setting value.
Page 168 2LK/2LN/2LM/2LC Item No. Description U246 Setting: [Staple HP] 1. Select [Staple HP]. 2. Change the setting value using the +/- keys or numeric keys. Description Setting Initial Change in range setting value per step Adjustment of front and back stapling home position -15 to 15 0.19 mm When staple positions are off toward the front side of the machine (sample 1), increase the setting value.
Page 169 2LK/2LN/2LM/2LC Item No. Description U246 Setting: [Width Up HP/Width Down HP] 1. Select [Width Up HP] or [Width Down HP]. 2. Change the setting value using the +/- keys or numeric keys. Description Setting Initial Change in range setting value per step Adjustment of upper side registration home position -15 to 15 0.34 mm Adjustment of lower side registration home position...
Page 170 2LK/2LN/2LM/2LC Item No. Description U246 Setting: [Booklet Pos] 1. Select [Booklet Pos1], [Booklet Pos2] or [Booklet Pos3]. 2. Change the setting value using the +/- keys or numeric keys. Description Setting Initial Change in range setting value per step Adjustment of center folding position for A4/Letter size -15 to 15 0 0.32 mm Adjustment of center folding position for B4/Legal size...
Page 171 2LK/2LN/2LM/2LC Item No. Description U247 Setting the paper feed device Description Turns on motor and clutches of paper feeder device. Purpose To check the operation of motor and clutches of paper feed device. Method 1. Press the start key. 2. Select the paper feed device. Display Description Paper feeder...
Page 172 2LK/2LN/2LM/2LC Item No. Description U247 Method: [LCF/Side LCF] 1. Press [Motor], [Clutch] or [Solenoid] and select the item. Display Description Motor PF paper feed motor (PFPFM) is turned off PF paper feed motor (PFPFM) is turned on Clutch PF paper conveying clutch 1 (PFPCCL1) is turned on PF paper conveying clutch 2 (PFPCCL2) is turned on V Feed PF paper conveying clutch 3 (PFPCCL3) is turned on...
Page 173 2LK/2LN/2LM/2LC Item No. Description U247 Completion Press the stop key. The screen for selecting a maintenance item No. is displayed. U250 Checking/clearing the maintenance cycle Description Changes preset values for maintenance cycle and automatic grayscale adjustment. Purpose Provides changing the time when the message to acknowledge to conduct maintenance and automatic grayscale adjustment is periodically displayed.
Page 174 2LK/2LN/2LM/2LC Item No. Description U251 Checking/clearing the maintenance counter Description Displays and clears or changes the maintenance count and automatic grayscale adjustment count. Purpose To verify the maintenance counter count and automatic grayscale count. Also to clear the count during maintenance service. Setting 1.
Page 175 2LK/2LN/2LM/2LC Item No. Description U252 Setting the destination Description Switches the operations and screens of the machine according to the destination. Purpose To be executed after initializing the backup RAM, in order to return the setting to the value before replacement or initialization.
Page 176 2LK/2LN/2LM/2LC Item No. Description U253 Switching between double and single counts Description Switches the count system for the total counter and other counters for every color mode. Purpose Used to select, according to the preference of the user (copy service provider), if A3/Ledger paper is to be counted as one sheet (single count) or two sheets (double count).
Page 177 2LK/2LN/2LM/2LC Item No. Description U260 Selecting the timing for copy counting Description Changes the copy count timing for the total counter and other counters. Purpose To be set according to user request. Setting 1. Press the start key. 2. Select the copy count timing. Display Description Feed...
Page 178 2LK/2LN/2LM/2LC Item No. Description U271 Setting the page count Description Banner counting Purpose To change when modifying counting Banner Setting 1. Press the start key. 2. Select the item. 3. Change the setting value using the +/- keys or numeric keys. Display Description Setting range...
Page 179 2LK/2LN/2LM/2LC Item No. Description U278 Setting the delivery date Description Enter delivery date in month, day, and year. Purpose To operate when installing the machine. Perform this to confirm the delivery date. Method 1. Press the start key. 2. Select [Today]. 3.
Page 180 2LK/2LN/2LM/2LC Item No. Description U285 Setting service status page Description Determines displaying the print coverage report on reporting. Purpose According to user request, changes the setting. Setting 1. Press the start key. 2. Select On or Off. Display Description Displays the print coverage Not to display the print coverage Initial setting: On 3.
Page 181 2LK/2LN/2LM/2LC Item No. Description U325 Setting the paper interval Description Determines the interval between pages and the toner replenishment amount when printing pages with high print coverage. Purpose Modify the settings only if a spotted background or uneven density appears when printing pages with high print coverage.
Page 182 2LK/2LN/2LM/2LC Item No. Description U326 Setting the black line cleaning indication Description Sets whether to display the cleaning guidance when detecting the black line. Purpose Displays the cleaning guidance in order to make the call for service with the black line decrease by the rubbish on the contact glass when scanning from the DP.
Page 183 2LK/2LN/2LM/2LC Item No. Description U327 Setting the cassette heater control Description Sets the cassette heater control. Purpose To change the setting according to the machine installation environment. Setting 1. Press the start key. 2. Select On or Off. Display Description Cassette heater ON Cassette heater OFF Initial setting: Off...
Page 184 2LK/2LN/2LM/2LC Item No. Description U332 Setting the size conversion factor Description Sets the coefficient of nonstandard sizes in relation to the A4/Letter size. The coefficient set here is used to convert the black ratio in relation to the A4/Letter size and to display the result in user simulation.
Page 185 2LK/2LN/2LM/2LC Item No. Description U340 Setting the applied mode Description Allocates memory to ensure that there is sufficient memory available for the printer to use as a working area. Purpose Modify the memory allocation if insufficient memory for transparency support or XPS direct print- ing occurs.
Page 186 2LK/2LN/2LM/2LC Item No. Description U341 Specific paper feed location setting for printing function Description Sets a paper feed location specified for printer output (only if a printer kit is installed). Purpose To use a paper feed location only for printer output. A paper feed location specified for printer output cannot be used for copy output.
Page 187 2LK/2LN/2LM/2LC Item No. Description U343 Switching between duplex/simplex copy mode Description Switches the initial setting between duplex and simplex copy. Purpose To be set according to frequency of use: set to the more frequently used mode. Setting 1. Press the start key. 2.
Page 188 2LK/2LN/2LM/2LC Item No. Description U402 Adjusting margins of image printing Description Adjusts margins for image printing. Purpose Make the adjustment if margins are incorrect. Adjustment 1. Press the start key. 2. Press the system menu key. 3. Press the start key to output a test pattern. 4.
Page 189 2LK/2LN/2LM/2LC Item No. Description U403 Adjusting margins for scanning an original on the contact glass Description Adjusts margins for scanning the original on the contact glass. Purpose Make the adjustment if margins are incorrect. Adjustment 1. Press the start key. 2.
Page 190 2LK/2LN/2LM/2LC Item No. Description U404 Adjusting margins for scanning an original from the DP Description Adjusts margins for scanning the original from the DP. Purpose Make the adjustment if margins are incorrect. Caution Before making this adjustment, ensure that the following adjustments have been made in mainte- nance mode U402 U403...
Page 191 2LK/2LN/2LM/2LC Item No. Description U404 6. Change the setting value using the cursor left/right keys or numeric keys. Increasing the value makes the margin wider, and decreasing it makes the margin narrower. DP leading edge margin (3.0 ± 1.5 mm) DP right margin left margin (2.0 ±...
Page 192 2LK/2LN/2LM/2LC Item No. Description U407 Adjusting the leading edge registration for memory image printing Description Adjusts the leading edge registration during memory copying. Purpose Make the following adjustment if there is a regular error between the leading edge of the copy image on the front face and that on the reverse face during duplex switchback copying.
Page 193 2LK/2LN/2LM/2LC Item No. Description U410 Adjusting the halftone automatically Description Carries out processing for the data acquisition that is required in order to perform either auto- matic adjustment of the halftone or the ID correction operation. Also the color table is changed when an offset occurs.
Page 194 2LK/2LN/2LM/2LC Item No. Description U410 Error codes Codes Description Codes Description S001 Patch not detected E001 Engine status error S002 Original deviation in the main E002 Engine sensor error scanning direction EFFF Engine other error S003 Original deviation in the auxil- C001 Controller error iary scanning direction...
Page 195 2LK/2LN/2LM/2LC Item No. Description U411 Adjusting the scanner automatically Description Uses a specified original and automatically adjusts the following items in the scanner and the DP scanning sections. Purpose To perform automatic adjustment of various items in the scanner and the DP scanning sections. Perform adjustments using a new test charrt (chart 1) when replacing ISC PWB and/or LED PWB.
Page 196 2LK/2LN/2LM/2LC Item No. Description U411 To manually enter the target value 1. Set a specified original (P/N: 7505000005) on the platen. 2. Enter maintenance item U411. 3. Select [Target]. 4. Select [Auto] and press the start key. 5. Select [Table (Chart1)]. 6.
Page 197 2LK/2LN/2LM/2LC Item No. Description U411 7. Press the start key. Auto adjustment starts. * : When automatic adjustment has normally completed, [OK] is displayed. If a problem occurs during auto adjustment, error code is displayed and operation stops. Should this happen, determine the details of the problem and repeat the procedure from the begin- ning.
Page 198 2LK/2LN/2LM/2LC Item No. Description U411 Method: [Table (Chart2)] 1. Enter the target values which are shown on the specified original (P/N: 302FZ56990) execut- ing maintenance item U425. 2. Set a specified original (P/N: 302FZ56990) on the platen. 3. Enter maintenance item U411. 4.
Page 199 2LK/2LN/2LM/2LC Item No. Description U411 8. Press the start key. Auto adjustment starts. * : When automatic adjustment has normally completed, [OK] is displayed. If a problem occurs during auto adjustment, error code is displayed and operation stops. Should this happen, determine the details of the problem and repeat the procedure from the begin- ning.
Page 200 2LK/2LN/2LM/2LC Item No. Description U411 * : When automatic adjustment has normally completed, [OK] is displayed. If a problem occurs during auto adjustment, error code is displayed and operation stops. Should this happen, determine the details of the problem and repeat the procedure from the begin- ning.
Page 201 2LK/2LN/2LM/2LC Item No. Description U412 Adjusting the uneven density Description Adjusts the uneven developer/transfer density in the drum axis direction by scanning directly the density distribution of test pattern with the scanner and adjusting LSU light quantity. Purpose To perform when replacing the drum unit or laser scanner unit. Method 1.
Page 202 2LK/2LN/2LM/2LC Item No. Description U412 Error codes Codes Description Codes Description S001 Patch not detected E001 Engine status error S002 Original deviation in the main E002 Spotted background error scanning direction E003 Density error S003 Original deviation in the auxil- E004 Uneven density error iary scanning direction...
Page 203 2LK/2LN/2LM/2LC Item No. Description U415 Adjusting the print position automatically Description Automatically adjusts timings at the print engine. Adjustment for leading edge timing, center line, magnification and margin. Purpose Used to make respective auto adjustments for the print engine. Method 1.
Page 204 2LK/2LN/2LM/2LC Item No. Description U425 Setting the target Description Enters the lab values that is indicated on the back of the chart 1 (P/N: 7505000005) or chart 2 (P/N: 302FZ56990) used for adjustment. Purpose Performs data input in order to correct for differences in originals during automatic adjustment. Method 1.
Page 205 2LK/2LN/2LM/2LC Item No. Description U425 Setting: [Adjust Original] 1. Measure the distance from the leading edge to the top of black belt 1 of the original at A, B and C. Measurement procedure 1) Measure the distance from the leading edge to the top of black belt 1 of the original at A (30 mm from the left edge), B (148.5 mm from the left edge) and C (267 mm from the left edge), respectively.
Page 206 2LK/2LN/2LM/2LC Item No. Description U425 Method: [Chart2] 1. Press the start key. 2. Select the item. Display Description Entering the target values of the chart (P/N: 302FZ56990) used for adjustment Entering the measurement value of the chart (P/N: 302AC68243) used for adjustment Execution is not required Method: [CCD] 1.
Page 207 2LK/2LN/2LM/2LC Item No. Description U425 Setting: [Adjust Original] 1. Measure the distance from the left edge to the black belt (a) of the original at A, B and C. Measurement procedure 1) Measure the distance from the edge to the black belt (a) of the original at A (30 mm from the leading edge), B (148.5 mm from the leading edge) and C (267 mm from the leading edge), respectively.
Page 208 2LK/2LN/2LM/2LC Item No. Description U425 Setting: [DP] 1. Measure the distance from the leading edge to the black belt (inside) of the original at A. 2. Enter the measured value using the +/- keys in [Vertical]. 3. Measure the distance from the left edge to the black belt (inside) of the original at B. 4.
Page 209 2LK/2LN/2LM/2LC Item No. Description U429 Setting the offset for the color balance Description Displays and changes the density for each color during copying in the various image quality modes. Purpose To change the balance for each color. Method 1. Press the start key. 2.
Page 210 2LK/2LN/2LM/2LC Item No. Description U464 Setting the ID correction operation Description Turns ID correction (calibration) on or off. Also, this allows individual settings for calibration oper- ation. Purpose To restrict calibration when poor image quality is generated. Also, this allows individual settings for calibration depending on the user preferences.
Page 211 2LK/2LN/2LM/2LC Item No. Description U464 Setting: [Time Interval] 1. Change the setting value using the +/- keys or numeric keys. Setting Initial Display Description range setting Time(sec) Setting the interval time of calibration 0 to 9999 (s) 2. Press the start key. The value is set. Setting: [Mode] 1.
Page 212 2LK/2LN/2LM/2LC Item No. Description U464 Setting: [Leaving Time] 1. Change the setting value using the +/- keys or numeric keys. Initial Display Description Setting range setting Time(min) Setting the standard time of sleep mode 0 to 480 (min) 2. Press the start key. The value is set. Setting: [Driving Time] 1.
Page 213 2LK/2LN/2LM/2LC Item No. Description U464 Setting: [Print Rate(B/W)] 1. Change the setting value using the +/- keys or numeric keys. Setting Initial Display Description range setting Threshold Proportion of black/white printing 0 to 100 (%) 2. Press the start key. The value is set. Method: [Calib] 1.
Page 214 2LK/2LN/2LM/2LC Item No. Description U465 Displaying: [Laser Power] 1. Select [Laser Power]. The current value is displayed. Display Description Scaling factor to the value determined in light amount calibration (cyan) Scaling factor to the value determined in light amount calibration (magenta) Scaling factor to the value determined in light amount calibration (yellow) Scaling factor to the value determined in light amount calibration (black) Displaying: [Bias Calib]...
Page 215 2LK/2LN/2LM/2LC Item No. Description U467 Setting the color registration adjustment Description Sets the color registration adjustment and transfer belt speed correction. Also, determines the conditions by which color registration correction is executed depending on the LSU temperature. Purpose If color variance is uneven due to a sensor failure, etc., turn this off and temporarily make a man- ual adjustment.
Page 216 2LK/2LN/2LM/2LC Item No. Description U468 Checking the color registration data Description Displays the color registration correction data and transfer belt speed correction data. Purpose To check the corresponding data. Method 1. Press the start key. 2. Select the item to be reference. Display Description V Correction...
Page 217 2LK/2LN/2LM/2LC Item No. Description U468 Completion Press the stop key. The screen for selecting a maintenance item No. is displayed. U469 Adjusting the color registration Description Performs the color registration correction and transfer belt speed correction. Purpose To perform when replacing the maintenance kit or laser scanner unit. Method 1.
Page 218 2LK/2LN/2LM/2LC Item No. Description U469 Error codes Codes Description Codes Description S001 Patch not detected S004 Original inclination error S002 Original deviation in the main S005 Original type error scanning direction SFFF Scanner other error S003 Original deviation in the auxil- CFFF Controller other error iary scanning direction...
Page 219 2LK/2LN/2LM/2LC Item No. Description U469 Method: [Belt Initialize] 1. Select [Execute]. 2. Press the start key. Transfer belt speed correction starts. Completion Press the stop key. The screen for selecting a maintenance item No. is displayed. U474 Checking LSU cleaning operation Description Provides cleaning LSU by means of the LSU cleaning motor.
Page 220 2LK/2LN/2LM/2LC Item No. Description U485 Setting the image processing mode Description Sets the detection level for scanning printed matter outputted with the confidential document guard function. Also, sets the process PDF images are rotated. Purpose To change the detection level when the confidential document guard is not printed well for detec- tion in scanning.
Page 221 2LK/2LN/2LM/2LC Item No. Description U486 Setting color/black and white operation mode Description When color and B/W documents are mixed, sets operation mode after a color document is detected. Purpose To ensure productivity when copying color and B/W documents in ACS mode, select Mode3. However, selecting Mode3 will increase the maintenance count for cyan, magenta, and yellow color developer units even when there is a B/W original after a color original.
Page 222 2LK/2LN/2LM/2LC Item No. Description U901 Checking copy counts by paper feed locations Description Displays or clears paper feed counts by paper feed locations. Purpose To check the time to replace consumable parts. Also to clear the counts after replacing the con- sumable parts.
Page 223 2LK/2LN/2LM/2LC Item No. Description U903 Checking/clearing the paper jam counts Description Displays or clears the jam counts by jam locations. Purpose To check the paper jam status. Also to clear the jam counts after replacing consumable parts. Method 1. Press the start key. 2.
Page 224 2LK/2LN/2LM/2LC Item No. Description U904 Checking/clearing the call for service counts Description Displays or clears the service call code counts by types. Purpose To check the service call code status by types. Also to clear the service call code counts after replacing consumable parts. Method 1.
Page 225 2LK/2LN/2LM/2LC Item No. Description U905 Checking counts by optional devices Description Displays the counts of DP, 1000-sheet or 4000-sheet finisher. Purpose To check the use of DP, 1000-sheet or 4000-sheet finisher. Method 1. Press the start key. 2. Select the device, the count of which is to be checked. The count of the selected device is displayed.
Page 226 2LK/2LN/2LM/2LC Item No. Description U906 Resetting partial operation control Description Resets the service call code for partial operation control. Purpose To be reset after partial operation is performed due to problems in the cassettes or other sec- tions, and the related parts are serviced. Method 1.
Page 227 2LK/2LN/2LM/2LC Item No. Description U911 Checking copy counts by paper sizes Description Displays the paper feed counts by paper sizes. Purpose To check the counts after replacing consumable parts. Method 1. Press the start key. The screen for the paper feed counts by paper size is displayed. Display Display Description...
Page 228 2LK/2LN/2LM/2LC Item No. Description U917 Setting backup data reading/writing Description Retrieves the backup data to a USB memory from the machine; or writes the data from the USB memory to the machine. Purpose To store and write data when replacing the HDD. Method 1.
Page 229 2LK/2LN/2LM/2LC Item No. Description U917 Error Codes Codes Description Codes Description e002 Parameter error e31e User managements error e003 File write error e31f User managements open error e004 File initialization error e320 User managements error e005 File error e321 User managements open error e006 Processing error e322...
Page 230 2LK/2LN/2LM/2LC Item No. Description U917 Error Codes Codes Description Codes Description e913 Log file open error d008 File rename error e914 Log file error in writing d009 File open error e915 Directory open error d00a File close error e916 Directory error in reading d00b File reading error e917...
Page 231 2LK/2LN/2LM/2LC Item No. Description U920 Checking the copy counts Description Checks the copy counts. Purpose To check the copy counts. Method 1. Press the start key. The current counts are displayed. Display Description Color Copy(H) Count value of full color copy (coverage: high) Color Copy(M) Count value of full color copy (coverage: middle) Color Copy(L)
Page 232 2LK/2LN/2LM/2LC Item No. Description U928 Checking machine life counts Description Displays the machine life counts. Purpose To check the machine life counts. Method 1. Press the start key. The current machine life counts is displayed. Display Description Machine life counts Completion Press the stop key.
Page 233 2LK/2LN/2LM/2LC Item No. Description U942 Setting of deflection for feeding from DP Description Adjusts the deflection generated when the document processor is used. Purpose Use this mode if an original non-feed jam, oblique feed or wrinkling of original occurs when the document processor is used.
Page 234 2LK/2LN/2LM/2LC Item No. Description U952 Maintenance mode workflow Description The maintenance modes configured in the machine or a USB flash device as a workflow must be executed in succession. Purpose This allows maintenance mode to be preset as a template. Setting 1.
Page 235 2LK/2LN/2LM/2LC Item No. Description U952 Method: [Execute(USB)] 1. Press the power key on the operation panel, and after verifying the main power indicator has gone off, switch off the main power switch. 2. Insert USB memory in USB memory slot. 3.
Page 236 2LK/2LN/2LM/2LC Item No. Description U964 Checking of log Description Sends a log file saved on the HDD to a USB memory. Purpose To transfer a log file saved on the HDD to a USB memory as a means of investigating malfunc- tions.
Page 237 2LK/2LN/2LM/2LC Item No. Description U977 Data capture mode Description Store the print data sent to the machine into USB memory. Purpose In case to occur the error at printing, check the print data sent to the machine. Method 1. Press the power key on the operation panel, and after verifying the main power indicator has gone off, switch off the main power switch.
Page 238 2LK/2LN/2LM/2LC Item No. Description U985 Displaying the developer unit history Description Displays the past record of machine number and the developer counter. Purpose To check the count value of machine number and the developer counter. Method 1. Press the start key. 2.
Page 239 2LK/2LN/2LM/2LC Item No. Description U990 Checking the time for the exposure lamp to light Description Displays the accumulated time for the CIS to light. Purpose To check duration of use of the CIS. Method 1. Press the start key. The accumulated time for the CIS to light is displayed in minutes. Display Description The accumulated time for the CIS to light...
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Page 241: Paper Misfeed Detection
2LK/2LN/2LM/2LC 1-4 Troubleshooting 1-4-1 Paper misfeed detection (1) Paper misfeed indication When a paper misfeed occurs, the machine immediately stops printing and displays the paper misfeed mes- sage on the operation panel. To remove paper misfed in the machine, pull out the cassette, open the paper conveying unit or paper conveying cover.
Page 242 2LK/2LN/2LM/2LC (2) Paper misfeed detection condition Machine DUS1 FUES DUS2 MPFS PCS1 PCS2 Figure 1-4-2 Paper jam location 1-4-2...
Page 243 2LK/2LN/2LM/2LC Code Contents Conditions location* 0000 Initial jam The power is turned on when a sensor in the con- veying system is on. 0100 Secondary paper feed request Secondary paper feed request given by the con- time out troller is unreachable. 0101 Waiting for process package Process package won’t become ready.
Page 244 2LK/2LN/2LM/2LC Code Contents Conditions location* 0212 SMT top cover open The SMT top cover is opened during printing. 0213 PF paper conveying cover The PF paper conveying cover (side) is opened (side) open during printing. 0214 SMT paper conveying cover The SMT paper conveying cover is opened dur- open ing printing.
Page 245 2LK/2LN/2LM/2LC Code Contents Conditions location* 0517 Multiple sheets in cassette 7 PF feed sensor 2 (PFFS2) does not turn off dur- ing paper feed from cassette 7 (side paper feeder). 0518 Multiple sheets in duplex sec- Registration sensor (RS) does not turn off during tion paper feed from duplex section.
Page 246 2LK/2LN/2LM/2LC Code Contents Conditions location* 1301 Middle sensor non arrival jam Middle sensor (MS) does not turn on during paper feed from cassette 1. 1302 Middle sensor (MS) does not turn on during paper feed from cassette 2. 1303 Middle sensor (MS) does not turn on during paper feed from cassette 3 (paper feeder).
Page 247 2LK/2LN/2LM/2LC Code Contents Conditions location* 1904 PF paper conveying sensor 2 PF paper conveying sensor 2 (PFPCS2) does not non arrival jam turn on during paper feed from cassette 4 (paper feeder). 1914 PF paper conveying sensor 2 PF paper conveying sensor 2 (PFPCS2) does not stay jam turn off during paper feed from cassette 4 (paper feeder).
Page 248 2LK/2LN/2LM/2LC Code Contents Conditions location* 3106 PF paper conveying sensor 1 PF paper conveying sensor 1 (PFPCS1) does not non arrival jam turn on during paper feed from cassette 6 (side large capacity feeder). 3107 PF paper conveying sensor 1 (PFPCS1) does not turn on during paper feed from cassette 7 (side large capacity feeder).
Page 249 2LK/2LN/2LM/2LC Code Contents Conditions location* 3505 SMT paper conveying sensor SMT paper conveying sensor 2 (SMTPCS2) does 2 non arrival jam not turn on during paper feed from cassette 5 (SMT paper feeder). 3506 SMT paper conveying sensor 2 (SMTPCS2) does not turn on during paper feed from cassette 6 (SMT paper feeder).
Page 250 2LK/2LN/2LM/2LC Code Contents Conditions location* 3705 SMT paper conveying sensor SMT paper conveying sensor 4 (SMTPCS4) does 4 non arrival jam not turn on during paper feed from cassette 5 (SMT paper feeder). 3706 SMT paper conveying sensor 4 (SMTPCS4) does not turn on during paper feed from cassette 6 (SMT paper feeder).
Page 251 2LK/2LN/2LM/2LC Code Contents Conditions location* 4011 Registration sensor stay jam Registration sensor (RS) does not turn off during paper feed from cassette 1. 4012 Registration sensor (RS) does not turn off during paper feed from cassette 2. 4013 Registration sensor (RS) does not turn off during paper feed from cassette 3 (paper feeder).
Page 252 2LK/2LN/2LM/2LC Code Contents Conditions location* 4111 Loop sensor stay jam Loop sensor (LPS) does not turn off during paper feed from cassette 1. 4112 Loop sensor (LPS) does not turn off during paper feed from cassette 2. 4113 Loop sensor (LPS) does not turn off during paper feed from cassette 3 (paper feeder).
Page 253 2LK/2LN/2LM/2LC Code Contents Conditions location* 4211 Fuser eject sensor stay jam Fuser eject sensor (FUES) does not turn off dur- ing paper feed from cassette 1. 4212 Fuser eject sensor (FUES) does not turn off dur- ing paper feed from cassette 2. 4213 Fuser eject sensor (FUES) does not turn off dur- ing paper feed from cassette 3 (paper feeder).
Page 254 2LK/2LN/2LM/2LC Code Contents Conditions location* 4311 Duplex sensor 1 stay jam Duplex sensor 1 (DUS1) does not turn off during paper feed from cassette 1. 4312 Duplex sensor 1 (DUS1) does not turn off during paper feed from cassette 2. 4313 Duplex sensor 1 (DUS1) does not turn off during paper feed from cassette 3 (paper feeder).
Page 255 2LK/2LN/2LM/2LC Code Contents Conditions location* 4411 Duplex sensor 2 stay jam Duplex sensor 2 (DUS2) does not turn off during paper feed from cassette 1. 4412 Duplex sensor 2 (DUS2) does not turn off during paper feed from cassette 2. 4413 Duplex sensor 2 (DUS2) does not turn off during paper feed from cassette 3 (paper feeder).
Page 256 2LK/2LN/2LM/2LC Code Contents Conditions location* 4611 Eject full sensor stay jam Eject full sensor (EFS) does not turn off during paper feed from cassette 1. 4612 Eject full sensor (EFS) does not turn off during paper feed from cassette 2. 4613 Eject full sensor (EFS) does not turn off during paper feed from cassette 3 (paper feeder).
Page 257 2LK/2LN/2LM/2LC Code Contents Conditions location* 4711 Switchback sensor stay jam Switchback sensor (SBS) does not turn off during paper feed from cassette 1. 4712 Switchback sensor (SBS) does not turn off during paper feed from cassette 2. 4713 Switchback sensor (SBS) does not turn off during paper feed from cassette 3 (paper feeder).
Page 258 2LK/2LN/2LM/2LC Code Contents Conditions location* 4911 Bridge conveying sensor 1 Bridge conveying sensor 1 (BRCS1) does not stay jam turn off during paper feed from cassette 1. 4912 Bridge conveying sensor 1 (BRCS1) does not turn off during paper feed from cassette 2. 4913 Bridge conveying sensor 1 (BRCS1) does not turn off during paper feed from cassette 3 (paper...
Page 259 2LK/2LN/2LM/2LC Code Contents Conditions location* 5008 Bridge conveying sensor 2 Bridge conveying sensor 2 (BRCS2) does not non arrival jam turn on during paper feed from duplex section. 5009 Bridge conveying sensor 2 (BRCS2) does not turn on during paper feed from MP tray. 5011 Bridge conveying sensor 2 Bridge conveying sensor 2 (BRCS2) does not...
Page 260 2LK/2LN/2LM/2LC Code Contents Conditions location* 5107 Bridge eject sensor non Bridge eject sensor (BRES) does not turn on dur- arrival jam ing paper feed from cassette 7 (side paper feeder). 5108 Bridge eject sensor (BRES) does not turn on dur- ing paper feed from duplex section.
Page 261 2LK/2LN/2LM/2LC Code Contents Conditions location* 6060 MB cover open MB cover is opened during operation (4000-sheet finisher) 6070 Center folding unit open Center folding unit is opened during operation (4000-sheet finisher) 6080 CF left guide open CF left guide is opened during operation (4000- sheet finisher) 6100 DF paper entry sensor non...
Page 262 2LK/2LN/2LM/2LC Code Contents Conditions location* 6310 DF middle eject sensor stay DF middle eject sensor (DFMES) is not turned off within specified time of its turning on (4000-sheet finisher). 6311 DF middle eject sensor (DFMES) is not turned off within specified time of its turning on (1000-sheet finisher).
Page 263 2LK/2LN/2LM/2LC Code Contents Conditions location* 6610 DF drum sensor stay jam DF drum sensor (DFDRS) is not turned off within specified time of its turning on. 6620 DF drum sensor remaining DF drum sensor (DFDRS) does turned on when the power is turned on or cover close. 6710 Center folding unit stay jam During paper conveying to center folding unit, DF...
Page 264 2LK/2LN/2LM/2LC Code Contents Conditions location* 7300 CF eject sensor non arrival CF eject sensor (CFES) is not turned on within specified time since three fold operation starts. 7310 CF eject sensor stay jam During three fold operation, CF eject sensor (CFES) is not turned off within specified time of its turning on.
Page 265 2LK/2LN/2LM/2LC Code Contents Conditions location* 9010 Document processor open Document processor is opened during original feeding. 9011 DP top cover open The DP top cover is opened during original feed- ing. 9020 Original skew feed jam DP skew sensor (DPSS) does not turn on within specified time of DP registration sensor (DPRS) turning on.
Page 266 2LK/2LN/2LM/2LC 1-4-2 Self-diagnostic function (1) Self-diagnostic function This machine is equipped with self-diagnostic function. When a problem is detected, the machine stops print- ing and display an error message on the operation panel. An error message consists of a message prompting a contact to service personnel and a four-digit error code indicating the type of the error.
Page 267 2LK/2LN/2LM/2LC (2) Self diagnostic codes If the part causing the problem was not supplied, use the unit including the part for replacement. Check procedures/ Code Contents Causes corrective measures 0030 FAX control PWB system Defective FAX con- Replace the fax control PWB and check for error trol PWB.
Page 268 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 0620 FAX image DIMM error DIMM installed Check if the DIMM is inserted into the socket DIMM is not installed cor- incorrectly. on the main PWB correctly. rectly. Defective main Replace the main PWB and check for cor- DIMM cannot be accessed.
Page 269 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 0870 FAX control PWB to main Improper installa- Reinstall the FAX control PWB. PWB high capacity data tion FAX control transfer error PWB. High-capacity data transfer Defective FAX con- Replace the FAX control PWB or main PWB between the FAX control PWB trol PWB or main and check for correct operation (see page 1-...
Page 270 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 1010 Lift motor 1 error Defective bottom Check to see if the bottom plate can move After cassette 1 is inserted, lift plate elevation smoothly and repair it if any problem is sensor 1 does not turn on mechanism in the found.
Page 271 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 1030 PF lift motor 1 error Defective bottom Check to see if the bottom plate can move (paper feeder) plate elevation smoothly and repair it if any problem is After cassette 3 is inserted, mechanism in the found.
Page 272 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 1060 PF lift motor 1 error Defective bottom Check to see if the bottom plate can move (side paper feeder) plate elevation smoothly and repair it if any problem is After cassette 6 is inserted, mechanism in the found.
Page 273 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 1110 PF lift motor 2 error Defective connec- Reinsert the connector. Also check for conti- (large capacity feeder) tor cable or poor nuity within the connector cable. If none, After cassette 4 is inserted, contact in the con- replace the cable.
Page 274 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 1950 Transfer belt unit EEPROM Defective connec- Reinsert the connector. Also check for conti- error tor cable or poor nuity within the connector cable. If none, No response is issued from contact in the con- replace the cable.
Page 275 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 2201 Drum motor K steady-state Defective connec- Reinsert the connector. Also check for conti- error tor cable or poor nuity within the connector cable. If none, After drum motor K is stabi- contact in the con- replace the cable.
Page 276 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 2204 Drum motor Y steady-state Defective connec- Reinsert the connector. Also check for conti- error tor cable or poor nuity within the connector cable. If none, After drum motor Y is stabi- contact in the con- replace the cable.
Page 277 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 2213 Drum motor M startup error Defective connec- Reinsert the connector. Also check for conti- Drum motor M is not stabilized tor cable or poor nuity within the connector cable. If none, within 5 s since the motor is contact in the con- replace the cable.
Page 278 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 2550 Paper feed motor error Defective connec- Reinsert the connector. Also check for conti- After paper feed motor is tor cable or poor nuity within the connector cable. If none, driven, the ready signal does contact in the con- replace the cable.
Page 279 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 2640 SF paper feed motor error Defective connec- Reinsert the connector. Also check for conti- (side feeder) tor cable or poor nuity within the connector cable. If none, After SF paper feed motor is contact in the con- replace the cable.
Page 280 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 2730 Transfer release motor error Defective connec- Reinsert the connector. Also check for conti- When the transfer release tor cable or poor nuity within the connector cable. If none, motor is driven, the transfer contact in the con- replace the cable.
Page 281 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 2790 Transfer skew motor error Defective connec- Reinsert the connector. Also check for conti- When the transfer skew motor tor cable or poor nuity within the connector cable. If none, is driven, timeouts were contact in the con- replace the cable.
Page 282 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 2860 Transfer belt sensor error Defective connec- Reinsert the connector. Also check for conti- The signal is not received for tor cable or poor nuity within the connector cable. If none, 100 ms in succession. contact in the con- replace the cable.
Page 283 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 3210 CIS lamp error Defective connec- Reinsert the connector. Also check for conti- When input value at the time tor cable or poor nuity within the connector cable. If none, of CIS illumination does not contact in the con- replace the cable.
Page 284 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 3900 Backup memory read/write Defective backup Replace the ISC PWB and check for correct error (ISC PWB) memory or PWB. operation. Read and write data does not match. 3910 Backup memory data error Defective backup Replace the ISC PWB and check for correct (ISC PWB)
Page 285 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 4004 Polygon motor Y synchroni- Defective connec- Reinsert the connector. Also check for conti- zation error tor cable or poor nuity within the connector cable. If none, After polygon motor Y is contact in the con- replace the cable.
Page 286 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 4014 Polygon motor Y steady- Defective connec- Reinsert the connector. Also check for conti- state error tor cable or poor nuity within the connector cable. If none, After polygon motor Y is stabi- contact in the con- replace the cable.
Page 287 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 4104 BD initialization error Y Defective connec- Reinsert the connector. Also check for conti- After polygon motor Y is tor cable or poor nuity within the connector cable. If none, driven, ASIC detects a BD contact in the con- replace the cable.
Page 288 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 4204 BD steady-state error Y Defective connec- Reinsert the connector. Also check for conti- The BD signal is not detected. tor cable or poor nuity within the connector cable. If none, contact in the con- replace the cable.
Page 289 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 4403 LD over-current detection Defective connec- Reinsert the connector. Also check for conti- error M tor cable or poor nuity within the connector cable. If none, An over current signal has contact in the con- replace the cable.
Page 290 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 5102 Main high-voltage error C Defective connec- Reinsert the connector. Also check for conti- Abnormality of charger roller tor cable or poor nuity within the connector cable. If none, C is detected when Vpp contact in the con- replace the cable.
Page 291 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 6020 Abnormally high fuser Deformed connec- See page 1-4-55. thermistor 1 temperature tor pin. Fuser thermistor 1 detects a Defective triac. See page 1-4-55. temperature higher than Shorted fuser Replace the fuser unit (see page 1-5-45). 240°C/464°F for 1 s.
Page 292 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 6050 Abnormally low fuser Deformed connec- See page 1-4-55. thermistor 1 temperature tor pin. Fuser thermistor 1 detects a Defective triac. See page 1-4-55. temperature lower than Defective fuser Replace the fuser unit (see page 1-5-45). 100°C/212°F for 1 s after thermistor 1.
Page 293 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 6200 Broken fuser edge heater Defective connec- Reinsert the connector. Also check for conti- wire tor cable or poor nuity within the connector cable. If none, Fuser thermistor 2 does not contact in the con- replace the cable.
Page 294 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 6250 Abnormally low fuser Deformed connec- See page 1-4-55. thermistor 2 temperature tor pin. Fuser thermistor 2 detects a Defective triac. See page 1-4-55. temperature lower than 50°C/ Defective fuser Replace the fuser unit (see page 1-5-45). 122°F for 1 s after warming thermistor 2.
Page 295 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 6000 Broken fuser heater wire Deformed connec- If the I/F connector pins of the fuser unit and 6020 Abnormally high fuser tor pin. the main unit are deformed owing to foreign matters, such as paper dusts, replace the thermistor 1 temperature connectors or the units including the con- 6030...
Page 296 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 6710 Fuser IH PWB CPU reset Defective connec- Reinsert the connector. Also check for conti- error tor cable or poor nuity within the connector cable. If none, Watch doc timer has been contact in the con- replace the cable.
Page 297 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 6760 Fuser IH input over-current Defective connec- Reinsert the connector. Also check for conti- error tor cable or poor nuity within the connector cable. If none, The input current is greater contact in the con- replace the cable.
Page 298 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 6920 Coil fan motor 1 error Defective connec- Reinsert the connector. Also check for conti- When the coil fan motor 1 is tor cable or poor nuity within the connector cable. If none, driven, alarm signal is contact in the con- replace the cable.
Page 299 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 7001 Toner motor K error Defective connec- Reinsert the connector. Also check for conti- When the toner motor K is tor cable or poor nuity within the connector cable. If none, driven, the pulse of screw contact in the con- replace the cable.
Page 300 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 7101 Toner sensor K error Defective connec- Reinsert the connector. Also check for conti- Sensor output value of 60 or tor cable or poor nuity within the connector cable. If none, less or 944 or more continued contact in the con- replace the cable.
Page 301 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 7210 Short-circuited outer tem- Defective connec- Reinsert the connector. Also check for conti- perature sensor 2 tor cable or poor nuity within the connector cable. If none, The sensor input sampling is contact in the con- replace the cable.
Page 302 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 7224 Broken LSU thermistor Y Defective connec- Reinsert the connector. Also check for conti- wire tor cable or poor nuity within the connector cable. If none, The sensor input sampling is contact in the con- replace the cable.
Page 303 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 7234 Short-circuited LSU therm- Defective connec- Reinsert the connector. Also check for conti- istor Y tor cable or poor nuity within the connector cable. If none, The sensor input sampling is contact in the con- replace the cable.
Page 304 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 7244 Broken developer thermis- Defective connec- Reinsert the connector. Also check for conti- tor Y wire tor cable or poor nuity within the connector cable. If none, The sensor input sampling is contact in the con- replace the cable.
Page 305 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 7401 Developer unit K type mis- Defective connec- Reinsert the connector. Also check for conti- match error tor cable or poor nuity within the connector cable. If none, Absence of the developer unit contact in the con- replace the cable.
Page 306 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 7800 Broken outer temperature Defective connec- Reinsert the connector. Also check for conti- sensor 1 wire tor cable or poor nuity within the connector cable. If none, The sensor input sampling is contact in the con- replace the cable.
Page 307 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 7903 Drum M EEPROM error Defective connec- Reinsert the connector. Also check for conti- No response is issued from tor cable or poor nuity within the connector cable. If none, the device in reading/writing contact in the con- replace the cable.
Page 308 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 7912 Developer unit C EEPROM Defective connec- Reinsert the connector. Also check for conti- error tor cable or poor nuity within the connector cable. If none, No response is issued from contact in the con- replace the cable.
Page 309 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 7941 Laser scanner unit K Defective connec- Reinsert the connector. Also check for conti- EEPROM error tor cable or poor nuity within the connector cable. If none, Mismatch of reading data from contact in the con- replace the cable.
Page 310 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 8010 Punch motor error 1 Defective connec- Reinsert the connector. Also check for conti- When the punch motor is tor cable or poor nuity within the connector cable. If none, driven, punch home position contact in the con- replace the cable.
Page 311 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 8030 Punch motor error 3 Defective connec- Reinsert the connector. Also check for conti- Home position does not turn tor cable or poor nuity within the connector cable. If none, from On to Off in 50 ms after contact in the con- replace the cable.
Page 312 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 8100 DF eject release motor error Defective connec- Reinsert the connector. Also check for conti- When the DF eject release tor cable or poor nuity within the connector cable. If none, motor is driven, DF bundle contact in the con- replace the cable.
Page 313 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 8130 DF shift release motor error Defective connec- Reinsert the connector. Also check for conti- When the DF shift release tor cable or poor nuity within the connector cable. If none, motor is driven, DF shift contact in the con- replace the cable.
Page 314 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 8150 DF tray motor error 2 Defective connec- Reinsert the connector. Also check for conti- When the main tray has tor cable or poor nuity within the connector cable. If none, descended, DF tray sensor 1 contact in the con- replace the cable.
Page 315 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 8170 DF side registration motor 1 Defective connec- Reinsert the connector. Also check for conti- error 1 tor cable or poor nuity within the connector cable. If none, When initial operation, DF contact in the con- replace the cable.
Page 316 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 8190 DF side registration motor 2 Defective connec- Reinsert the connector. Also check for conti- error 1 tor cable or poor nuity within the connector cable. If none, When initial operation, DF contact in the con- replace the cable.
Page 317 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 8210 DF slide motor error Defective connec- Reinsert the connector. Also check for conti- When initial operation, DF sta- tor cable or poor nuity within the connector cable. If none, ple sensor does not turn on contact in the con- replace the cable.
Page 318 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 8310 CF side registration motor 2 Defective connec- Reinsert the connector. Also check for conti- error tor cable or poor nuity within the connector cable. If none, When initial operation, CF contact in the con- replace the cable.
Page 319 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 8340 CF staple motor error Defective connec- Reinsert the connector. Also check for conti- JAM7600 is detected twice. tor cable or poor nuity within the connector cable. If none, contact in the con- replace the cable.
Page 320 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 8410 Punch slide motor error 1 Defective connec- Reinsert the connector. Also check for conti- The punch slide sensor won’t tor cable or poor nuity within the connector cable. If none, turn On when home position contact in the con- replace the cable.
Page 321 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 8500 Mailbox communication Defective connec- Reinsert the connector. Also check for conti- error tor cable or poor nuity within the connector cable. If none, Communication with the mail- contact in the con- replace the cable.
Page 322 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 8800 Document finisher commu- Defective connec- Reinsert the connector. Also check for conti- nication error tor cable or poor nuity within the connector cable. If none, Communication with the docu- contact in the con- replace the cable.
Page 323 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 9010 Coin vender communica- Defective connec- Reinsert the connector. Also check for conti- tion error tor cable or poor nuity within the connector cable. If none, A communication error from contact in the con- replace the cable.
Page 324 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 9070 Communication error Defective connec- Reinsert the connector. Also check for conti- between DP and SHD tor cable or poor nuity within the connector cable. If none, A communication error is contact in the con- replace the cable.
Page 325 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures 9140 Sensor error in coin vender Coin jam in the Check visually and remedy. change (Yen 100) change tube Change is empty despite Poor contact in the Check if the change empty sensor is intact. change is enough.
Page 326 2LK/2LN/2LM/2LC Check procedures/ Code Contents Causes corrective measures F040 Communication error Defective main Turn the main power switch off/on to restart between main PWB and PWB. the machine. If the error is not resolved, print engine replace main PWB (see page 1-5-49). Defective engine Replace the engine PWB and check for cor- PWB.
Page 327: Image Formation Problems
2LK/2LN/2LM/2LC 1-4-3 Image formation problems If the part causing the problem was not supplied, use the unit including the part for replacement. (1) No image (2) No image (3) Image is too (4) The back- (5) White streaks appears (entirely appears (entirely light.
Page 328 2LK/2LN/2LM/2LC (1) No image appears (entirely white). Print example Causes Check procedures/corrective measures Defective Defective connector cable Reinsert the connector. Also check for conti- transfer or poor contact in the con- nuity within the connector cable. If none, bias output. nector.
Page 329 2LK/2LN/2LM/2LC (2) No image appears (entirely black). Print example Causes Check procedures/corrective measures No main Defective connector cable Reinsert the connector. Also check for conti- charging. or poor contact in the con- nuity within the connector cable. If none, nector. replace the cable.
Page 330 2LK/2LN/2LM/2LC (3) Image is too light. Print example Causes Check procedures/corrective measures Defective Defective developer unit. Run maintenance mode U089 to output four- developer color bar PG, check the output status of the bias output. four colors, and replace the developer unit for any faulty color (see page 1-5-36).
Page 331 2LK/2LN/2LM/2LC (5) White streaks are printed vertically. Print example Causes Check procedures/corrective measures Foreign object in one of the Run maintenance mode U089 to output four-color bar PG, developer units. check the output status of the four colors, and replace the developer unit for any faulty color (see page 1-5-36).
Page 332 2LK/2LN/2LM/2LC (8) One side of the print image is darker than the other. Print example Causes Check procedures/corrective measures Replace the LED unit (see page 1-5-19). Defective exposure lamp. (9) Spots are printed. Print example Causes Check procedures/corrective measures Dirty contact glass. Clean the contact glass.
Page 333 2LK/2LN/2LM/2LC (11) The leading edge of the image is consistently misaligned with the original. Print example Causes Check procedures/corrective measures Misadjusted leading edge reg- Run maintenance mode U034 to readjust the leading edge istration. registration (see page 1-3-33). Misadjusted the deflection in Run maintenance mode U051 to readjust the deflection in the paper.
Page 334 2LK/2LN/2LM/2LC (14) Offset occurs. Print example Causes Check procedures/corrective measures Deformed or worn cleaning Replace the drum unit (see page 1-5-36). blade in the drum unit. Defective transfer belt clean- Replace the transfer belt unit (see page 1-5-41). ing. Defective fuser unit. Replace the fuser unit (see page 1-5-45).
Page 335 2LK/2LN/2LM/2LC (17) Image is out of focus. Print example Causes Check procedures/corrective measures Defective image scanning Replace the image scanning unit (see page 1-5-22). unit. Drum condensation. Perform the drum refresh. (18) Image center does not align with the original center. Print example Causes Check procedures/corrective measures...
Page 336: Electric Problems
2LK/2LN/2LM/2LC 1-4-4 Electric problems If the part causing the problem was not supplied, use the unit including the part for replacement. Troubleshooting to each failure must be in the order of the numbered symptoms. Problem Causes Check procedures/corrective measures 1. No electricity at the Measure the input voltage.
Page 337 2LK/2LN/2LM/2LC Problem Causes Check procedures/corrective measures 1. Defective connector Reinsert the connector. Also check for continuity within the Middle motor does cable or poor con- connector cable. If none, replace the cable. not operate tact in the connector. Middle motor and feed PWB 2 (YC7) (45 ppm/55 ppm Feed PWB 2 (YC1) and engine PWB (YC4) model only).
Page 338 2LK/2LN/2LM/2LC Problem Causes Check procedures/corrective measures 1. Defective connector Reinsert the connector. Also check for continuity within the Toner fan motor 1, cable or poor con- connector cable. If none, replace the cable. 2 does not operate. tact in the connector. Toner fan motor 1, 2 and engine PWB (YC19) 2.
Page 339 2LK/2LN/2LM/2LC Problem Causes Check procedures/corrective measures (15) 1. Defective connector Reinsert the connector. Also check for continuity within the Eject front fan cable or poor con- connector cable. If none, replace the cable. motor does not tact in the connector. Eject front fan motor and front PWB (YC4) operate.
Page 340 2LK/2LN/2LM/2LC Problem Causes Check procedures/corrective measures (21) 1. Defective connector Reinsert the connector. Also check for continuity within the Paper conveying cable or poor con- connector cable. If none, replace the cable. clutch does not tact in the connector. Paper conveying clutch and feed PWB 2 (YC5) operate.
Page 341 2LK/2LN/2LM/2LC Problem Causes Check procedures/corrective measures (27) 1. Defective connector Reinsert the connector. Also check for continuity within the Pickup solenoid 1, cable or poor con- connector cable. If none, replace the cable. 2 does not operate tact in the connector. Pickup solenoid 1, 2 and feed PWB 2 (YC8) (45 ppm/55 ppm Feed PWB 2 (YC1) and engine PWB (YC4)
Page 342 2LK/2LN/2LM/2LC Problem Causes Check procedures/corrective measures (32) 1. Defective connector Reinsert the connector. Also check for continuity within the The size of paper cable or poor con- connector cable. If none, replace the cable. on the cassette is tact in the connector. Paper length switch 1, 2 and feed PWB 2 (YC3) not displayed cor- Paper width switch 1, 2 and feed PWB 2 (YC3)
Page 343 2LK/2LN/2LM/2LC Problem Causes Check procedures/corrective measures (37) 1. Defective connector Reinsert the connector. Also check for continuity within the A message indicat- cable or poor con- connector cable. If none, replace the cable. ing cover open is tact in the connector. Duplex cover switch and relay PWB (YC7) displayed when the Relay PWB (YC1) and engine PWB (YC14)
Page 344: Mechanical Problems
2LK/2LN/2LM/2LC 1-4-5 Mechanical problems If the part causing the problem was not supplied, use the unit including the part for replacement. Problem Causes/check procedures Corrective measures Check if the surfaces of the following roll- Clean with isopropyl alcohol. No primary paper ers are dirty with paper powder.
Page 345 2LK/2LN/2LM/2LC Problem Causes/check procedures Corrective measures Check if the rollers, pulleys and gears Grease the bushes and gears. Abnormal noise is operate smoothly. heard. Check if the following clutches are Check visually and remedy if necessary. installed correctly. Paper feed clutch 1, 2 Assist clutch 1, 2 Paper conveying clutch MP paper feed clutch...
Page 346: Send Error Code
2LK/2LN/2LM/2LC 1-4-6 Send error code This section describes the scanning errors and descriptions, preventive actions, as well as corrective actions. Error codes not described here could fall within software errors. If such an error is encountered, turn power off then on, and advise the service representative. (1) Scan to SMB error codes Code Contents...
Page 347 2LK/2LN/2LM/2LC (2) Scan to FTP error codes Code Contents Check procedures/corrective measures 1101 FTP server does not exist on the net- 1. Check the FTP server name. work. 2. Confirm device's network parameters. 3. Confirm the network parameters the device is con- nected.
Page 348 2LK/2LN/2LM/2LC (3) Scan to E-mail error codes Code Contents Check procedures/corrective measures 1101 SMTP/POP3 server does not exist on 1. Check the SMTP/POP3 server name. the network. 2. Confirm device's network parameters. 3. Confirm the network parameters the device is con- nected.
Page 349: Error Codes
2LK/2LN/2LM/2LC 1-4-7 Error codes (1) Error code Error codes are listed on the communication reports, activity report, etc. The codes consist of an error code indication U followed by a 5-digit number. (Error codes for V34 communication errors start with an E indica- tion, followed by five digits.) The upper three of the five digits indicate general classification of the error and its cause, while the lower two indicate the detailed classification.
Page 350 2LK/2LN/2LM/2LC (2) Table of general classification Error code Description U00000 No response or busy after the set number of redials. U00100 Transmission was interrupted by a press of the stop/clear key. U00200 Reception was interrupted by a press of the stop/clear key. U00300 Recording paper on the destination unit has run out during transmission.
Page 351 2LK/2LN/2LM/2LC Error code Description U04000 In interoffice subaddress-based transmission mode, the specified subaddress box num- ber was not registered in the destination unit. U04100 Subaddress-based transmission failed because the destination unit had no subaddress- based reception capability. U04200 In encrypted transmission, the specified encryption box was not registered in the desti- nation unit.
Page 352 2LK/2LN/2LM/2LC (2-1) U004XX error code table: Interrupted phase B Error code Description U00430 Polling request was received but interrupted because of a mismatch in permit number. Or, subaddress-based bulletin board transmission request was received but interrupted because of a mismatch in permit ID in the transmitting unit. U00431 An subaddress-based bulletin board transmission was interrupted because the specified subaddress confidential box was not registered.
Page 353 2LK/2LN/2LM/2LC (2-5) U010XX error code table: G3 transmission Error code Description U01000 An FTT signal was received for a set number of times after TCF signal transmission at 2400 bps. Or, an RTN signal was received in response to a Q signal (excluding EOP) after transmission at 2400 bps.
Page 354 2LK/2LN/2LM/2LC (2-6) U011XX error code table: G3 reception Error code Description U01100 Function of the unit differs from that indicated by a DCS signal. U01101 Function of the unit (excl. communication mode select) differs from that indicated by an NSS signal. U01102 A DTC (NSC) signal was received when no transmission data was in the unit.
Page 355 2LK/2LN/2LM/2LC (2-7) U017XX error code table: V.34 transmission Error code Description U01700 A communication error occurred in phase 2 (line probing). U01720 A communication error occurred in phase 4 (modem parameter exchange). U01721 Operation was interrupted due to the absence of a common communication speed between units.
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Page 357: Precautions For Assembly And Disassembly
2LK/2LN/2LM/2LC 1-5 Assembly and disassembly 1-5-1 Precautions for assembly and disassembly (1) Precautions Before starting disassembly, press the Power key on the operation panel to off. Make sure that the Power lamp is off before turning off the main power switch. And then unplug the power cable from the wall outlet. When the fax kit is installed, be sure to disconnect the modular cable before starting disassembly.
Page 358 A black-colored band when seen through the left side window ( A shiny or gold-colored band when seen through the right side window ( The above will reveal that the toner container is a genuine Kyocera Mita branded toner container, otherwise, it is a counterfeit.
Page 359: Paper Feed Section
2LK/2LN/2LM/2LC 1-5-2 Paper feed section (1) Detaching and refitting the primary paper feed unit Procedure Remove the primary paper feed unit 1. Pull the cassette 1 and cassette 2 out completely. 2. Pull the conveying unit out. 3. Open the right lower cover. 4.
Page 360 2LK/2LN/2LM/2LC Right middle 5. Remove the rear upper cover and the rear cover rear lower cover (see page 1-5-65). 6. Remove two screws A and then remove the right middle rear cover. 7. Remove three screws B and then remove the right lower rear cover. Screws A Right lower rear cover...
Page 361 2LK/2LN/2LM/2LC 11. Remove two connectors. Connector Connector Figure 1-5-6 [45ppm/55ppm] Primary paper 12. Remove two screws each from primary feed unit paper feed unit. 13. Remove the primary paper feed unit. *: Use the specific primary paper feed unit depending on model - 30 ppm/35 ppm or Screws 45 ppm/55 ppm.
Page 362 2LK/2LN/2LM/2LC Driving [45ppm/55ppm] 14. Check or replace the primary paper coupler feed unit and refit all the removed parts. *: When refit the primary paper feed unit, you must confirm the inserted pin to the driving coupler. Driving coupler *: For 45ppm/55ppm model, you must install the primary paper feed unit while pushing Primary paper the retard release lever of the lower side,...
Page 363 2LK/2LN/2LM/2LC (2) Detaching and refitting the forwarding pulley, paper feed pulley and separation pulley. [30 ppm model / 35 ppm model] Procedure 1. Remove the primary paper feed unit (see page 1-5-3). Detaching the forward pulley and paper Stop ring feed pulley 2.
Page 364 2LK/2LN/2LM/2LC 6. Pull the primary paper feed shaft out Paper feed pulley Paper feed pulley from the forwarding pulley holder. 7. Remove the feed gear Z30H OW and Feed gear Feed gear paper feed pulley. Z30H OW Z30H OW *: To refit the feed gear Z30H OW, be sure to correctly align it with the paper feed pulley, so that the on-way clutches meet each other.
Page 365 2LK/2LN/2LM/2LC Detaching the separation pulley 9. Remove the spring. 10. Remove the retard holder from the pri- mary lower plate. Spring Hole Hole Primary lower plate Retard holder Figure 1-5-13 11. Remove the separation pulley from the Separation pulley retard holder. 12.
Page 366 2LK/2LN/2LM/2LC (3) Detaching and refitting the forwarding pulley, paper feed pulley and separation pulley. [45 ppm model / 55 ppm model] Procedure 1. Remove the primary paper feed unit (see page 1-5-3). Paper feed pulley Detaching the forward pulley and paper Feed gear feed pulley Oneway clutch...
Page 367 2LK/2LN/2LM/2LC (4) Detaching and refitting the MP tray paper feed unit Procedure 1. Pull the conveying unit out. 2. Open the MP tray. Screw 3. Remove four screws. Screw Conveying unit MP tray Figure 1-5-17 Right cover 4. Unhook seven hooks and then remove the DU cover assembly.
Page 368 2LK/2LN/2LM/2LC 5. Remove two connectors. Connector 6. Release the wire saddle. 7. Remove the wire saddle. *: To refit the wire saddle, be sure to fit in the positioning hole that was previously used. Wire saddle Connector Installation hole Wire saddle Figure 1-5-19 8.
Page 369 2LK/2LN/2LM/2LC 9. Remove two screws. 10. Remove the MP tray paper feed unit. Screw MP tray paper feed unit Screw MP tray paper feed unit Figure 1-5-21 1-5-13...
Page 370 2LK/2LN/2LM/2LC (5) Detaching and refitting the MP forwarding pulley, MP paper feed pulley and MP separation pulley Procedure 1. Remove the MP tray paper feed unit DU lower guide (see page 1-5-11). Detaching forwarding pulley and paper feed pulley 2. Unhook three hooks and then remove Hooks the Du lower guide.
Page 371 2LK/2LN/2LM/2LC 6. Unhook the hook of the feed holder Spring assembly. Hook 7. Remove the spring and the feed holder assembly from the top base. Feed holder assembly Top base Top base Spring Hook Figure 1-5-24 MP paper feed pulley Oneway gear 8.
Page 372 2LK/2LN/2LM/2LC 11. Remove the pickup MPF shaft from the Pickup MFP shaft axis holes of feed MPF holder. MP forwarding pulley 12. Pull the pickup gear Z30R and MP for- warding pulley out from the pickup MFP shaft. Pickup gear Z30R Feed gear Z26H Axis hole Feed MPF holder...
Page 373 2LK/2LN/2LM/2LC 14. Remove the spring. 15. Release the uniting of joint by sliding the retard holder assembly. Joint Retard holder assembly Spring Figure 1-5-28 16. Remove the retard holder assembly by turning it as shown. Retard holder assembly Figure 1-5-29 1-5-17...
Page 374 2LK/2LN/2LM/2LC 17. Remove two stop rings. Retard MPF shaft 18. Remove two bushes. 19. Pull the retard MPF shaft out and then remove the torque limiter and the MP Torque limiter separation pulley. MP separation 20. Clean or replace the MP forwarding pul- pulley ley, MP paper feed pulley and MP sepa- ration pulley.
Page 375 2LK/2LN/2LM/2LC 1-5-3 Optical section (1) Detaching and refitting the exposure lamp Notes on handling the LED mount assembly Do not touch the diffusion seat and the light guid- Diffusion seat ing plate. LED mount assembly Light guiding Use air blow when you clean the diffusion seat, plate the light guiding plate, and reflector.
Page 376 2LK/2LN/2LM/2LC 4. Remove two screws and then remove ISU rear cover Screw the ISU rear cover. Screw Figure 1-5-33 5. Remove the platen. Platen 6. Peels two films off. Film Film Film Film Figure 1-5-34 1-5-20...
Page 377 2LK/2LN/2LM/2LC LED mount assembly 7. Move the LED mount assembly to the Cutting lack part cutting lack part. 8. Unhook the hook and remove the FFC cover from LED mount assembly. 9. Remove the FFC from the FFC connec- tor. 10.
Page 378 2LK/2LN/2LM/2LC (2) Detaching and refitting the ISU Procedure Detaching the ISU 1. Worn the electrostatic prevention band Screws Screw for the destruction prevention of the ISU Lens cover circuit board by static electricity. 2. Remove the platen (see page 1-5-19). 3.
Page 379 2LK/2LN/2LM/2LC 6. Remove four screws and then remove [45ppm/55ppm] the ISU. *: The ISU's are different depending on 30ppm model/35ppm model and 45ppm model/55ppm model. Screw Screw Screw Screw [30ppm/35ppm] Screw Screw Screw Screw Figure 1-5-39 1-5-23...
Page 380 2LK/2LN/2LM/2LC Refitting the ISU [45ppm/55ppm] 7. Decide the fix position of ISU by the fol- lowing. The right and left of machine: Confirm the number (a) of seal pasted on lens. Match the line (c) of ISU to the position- ing line (b) of same number on frame side.
Page 381 2LK/2LN/2LM/2LC (3) Detaching and refitting the LSU Procedure 1. Remove the conveying unit (see page Transfer belt filters 1-5-39). 2. Remove the left upper cover (see page 1-5-49). 3. Remove the toner filter. 4. Remove the left filter cover and the left filter.
Page 382 2LK/2LN/2LM/2LC 10. Remove two screws and then remove the middle feed plate. 11. Remove two LSU retainer pins and two springs. Spring LSU retainer pin Screw Middle feed plate Screw Figure 1-5-43 12. Pull the LSU out a little. 13. Remove the following connector from the LSU.
Page 383 2LK/2LN/2LM/2LC 14. Pull the LSU out from the body of the machine. Figure 1-5-45 15. Remove seven screws and then Screws remove the LSU mount lid. Screws Screws LSU mount lid Screw Figure 1-5-46 1-5-27...
Page 384 2LK/2LN/2LM/2LC 16. Remove the screw. 17. Unhook four hooks and then remove the LSU relay PWB cover. Screw Hooks LSU relay PWB cover Hooks Figure 1-5-47 18. Remove all the connectors and the FFC connectors with a lock. (30ppm model/35ppm model has the FFC connector without a lock.) *: When remove the FFC from the FFC con- nector with a lock, removing it after...
Page 385 2LK/2LN/2LM/2LC 21. Remove the LSU retainer pins and the springs. 22. Remove two screws each and then remove the LSU front holder. Screw Spring LSU front holder Screw LSU retainer pin Figure 1-5-49 1-5-29...
Page 386 2LK/2LN/2LM/2LC LSU (rear side) LSU (front side) 23. Wrap an antistatic discharging belt Support around your wrist to prevent damage to portion the LSU. *: Do not touch terminals and FFC contacts in the LSU APC board. 24. Remove four LSUs, following the pre- cautions and instructions below.
Page 387 2LK/2LN/2LM/2LC (4) Color registration adjustment Follow the procedure below to replace the laser scanner unit. Procedure 1. Press the system menu key. 2. Press [Adjustment/Maintenance], [Calibration] and then [Start]. Calibration begins. Auto correction 3. Press [Color Registration], [Auto] and then [Start]. A chart is printed. 4.
Page 388 2LK/2LN/2LM/2LC 8. Press [Chart] and [Print] to print a chart. 9. Verify that each scale is within the range of 1to A. If they are within the range, proceed to step 10. If scales are out of range, repeat steps 6 through 9.
Page 389 2LK/2LN/2LM/2LC 12. Open the front cover and then pull out the waste toner box tray (see page 1-5-34). 13. Rotate the adjustment knob using a 5 mm hex wrench. Direction of rotation (V-1 - V-5) >= 2 scales (sample 1): rotate counterclockwise. (V-1 - V-5) <= -2 scales (sample 2): rotate clockwise.
Page 390: Image Formation Section
2LK/2LN/2LM/2LC 1-5-4 Image formation section (1) Detaching and refitting the inner unit Procedure 1. Open the front cover. 2. Remove all toner container each. 3. Detach the waste toner box tray while pushing up the hook of both ends. Waste toner Hook box tray Hook...
Page 391 2LK/2LN/2LM/2LC 7. Release the lock by pushing the fixed Inner unit lever at the right and left of inner unit. 8. Remove the inner unit. Fixed lever Figure 1-5-59 1-5-35...
Page 392 2LK/2LN/2LM/2LC (2) Detaching and refitting the developer unit and drum unit Detaching example: Developer unit Y and Drum unit Y Connectors Procedure 1. Remove the fuser unit (see page 1-5- 45). 2. Pull the transfer belt unit out a little (see Toner supply shutter page 1-5-41).
Page 393 2LK/2LN/2LM/2LC 8. Remove the drum unit from the devel- oper unit. Drum unit 9. Check or replace the drum unit and the developer unit and refit all the removed parts. 10. When replacing the new developer unit, proceed as follows: 1) Performs maintenance mode U140 (AC calibration) for 45 ppm/55 ppm model only (see page 1-3-91).
Page 394 2LK/2LN/2LM/2LC (3) Detaching and refitting the charger roller unit Detaching example: Charger roller unit Y Procedure 1. Remove the inner unit (see page 1-5- 34). 2. Pull out the charger roller unit by pick- ing and releasing the MC lock lever. 3.
Page 395: Transfer Section
2LK/2LN/2LM/2LC 1-5-5 Transfer section (1) Detaching and refitting the conveying unit Procedure 1. Pull the conveying unit out. Conveying unit 2. Remove three screws. 3. Unhook three hooks and then remove Right front cover the right front cover. Screw Hook Hook Hook Right front...
Page 396 2LK/2LN/2LM/2LC 5. Remove four screws. Conveying unit 6. Remove the conveying unit by lifting upward. Screws Screws Conveying unit Figure 1-5-66 1-5-40...
Page 397 2LK/2LN/2LM/2LC (2) Detaching and refitting the transfer belt unit Procedure 1. Remove the conveying unit (see page 1-5-39). 2. Remove the fuser unit (see page 1-5- 45). 3. Remove the connector. Connector Figure 1-5-67 4. Pull out the transfer belt unit by lifting up both ends.
Page 398 2LK/2LN/2LM/2LC 5. Remove the transfer belt unit. 6. Check or replace the transfer belt unit and refit all the removed parts. Transfer belt unit *: When refitting the new transfer belt unit, set the projected part aligned with the rail entrance. 7.
Page 399 2LK/2LN/2LM/2LC (3) Detaching and reffiting the transfer roller Procedure 1. Pull out the conveying unit. Conveying unit Figure 1-5-70 2. Loosen two fixed screws on the TC Transfer roller (shaft) Bearing guide. Bearing Stop ring 3. Remove the stop ring. 4.
Page 400 2LK/2LN/2LM/2LC 7. Check or replace the transfer roller and refit all the removed parts. *: When refitting the transfer roller, confirm that the terminal of the ground plate is in contact with the ground plate in the frame. 8. When replacing the new transfer roller, proceed as follows: 1) Performs maintenance mode U127 (clearing the transfer counter) (see...
Page 401 2LK/2LN/2LM/2LC 1-5-6 Fuser section (1) Detaching and reffiting the fuser unit Procedure 1. Pull out the conveying unit. 2. Remove the screw and then the fuser electric wire cover. 3. Remove two connectors Connector Connector Fuser electric wire cover Screw Conveying unit Figure 1-5-73 1-5-45...
Page 402 2LK/2LN/2LM/2LC 4. Remove four screws (M4 × 10) and then remove the fuser unit. 5. Check or replace the fuser unit and refit Fuser unit all the removed parts. Screws 6. When replacing the new fuser unit, pro- (M4×10) ceed as follows: 1) Performs maintenance mode U167 (clearing the fuser count) (see page 1-3-100).
Page 403 2LK/2LN/2LM/2LC (2) Detaching and reffiting Fuser IH unit Procedure 1. Remove the rear upper cover and the Fuser IH PWB rear lower cover (see page 1-5-65). 2. Remove the fuser unit (see page 1-5- 45). 3. Remove the right upper cover (see page 1-5-65).
Page 404 2LK/2LN/2LM/2LC 10. Remove two screws. 11. Unhook the hook by lifting up the fuser IH unit a little and then remove it. Fuser IH unit Screw Screw Hook Hook Fuser IH unit Figure 1-5-76 1-5-48...
Page 405 2LK/2LN/2LM/2LC 1-5-7 PWBs (1) Detaching and refitting the main PWB Procedure 1. Remove the rear upper cover (see page 1-5-65). 2. Open the controller lid. 3. Remove two screws. 4. Unhook six hooks and then remove the left upper cover. Left upper cover Controller lid...
Page 406 2LK/2LN/2LM/2LC 7. Remove the following connectors that connected to the main PWB from the outside of the control box. YC25 YC11 YC30 YC24 YC3 (FFC connector with a lock) YC17 (BK) Controller box YC21 (WH) Main PWB YC12 YC12 YC17 YC25 YC21 *: When removing the FFC from the FFC...
Page 407 2LK/2LN/2LM/2LC 8. Remove five screws. 9. Unhook two hooks and then remove the controller box. Controller box Hook Hook Screws Screws Screw Figure 1-5-80 Main PWB 10. Remove the following connectors that connected to the main PWB. YC23 YC27 YC32 YC8 (FFC connector with a lock) YC1 [BLACK] (with a lock) YC2 [BLUE] (with a lock)
Page 408 2LK/2LN/2LM/2LC Electric 11. Release the wire saddle. Electric wire holder wire holder 12. Remove two electric wire holders. 13. Remove two screws. Fan mootor holder Screws 14. Remove the fan motor holder. Controller box Wire saddle Figure 1-5-82 15. Remove five screws from the main PWB.
Page 409 2LK/2LN/2LM/2LC 16. Remove the main PWB by releasing the projection of ground plate in the net- work connector. Network connector *: Check or replace the main PWB and refit all the removed parts. *: When replacing the main PWB, remove the following devices from the main PWB and then reattach it to the new main PWB.
Page 410 2LK/2LN/2LM/2LC (2) Detaching and refitting the engine PWB Procedure 1. Remove the controller box (see page 1- 5-49). 2. Remove twenty three connectors of fol- lowing from the engine PWB. YC5 (FFC connector with a lock) Engine PWB YC6 (FFC connector with a lock) YC7 (FFC connector with a lock) YC10 (FFC connector with a lock) YC26...
Page 411 2LK/2LN/2LM/2LC 3. Remove six screws. 4. Unhook two hooks and then remove the Hook engine PWB. Hook 5. Check or replace the engine PWB and Engine PWB refit all the removed parts. Engine PWB *: When replacing the engine PWB, remove the EEPROM (U100) from the engine PWB and then reattach it to the new engine PWB.
Page 412 2LK/2LN/2LM/2LC (3) Detaching and refitting the power source PWB Procedure Connector 1. Remove the rear under cover (see page 1-5-65). Connector 2. Release three wire saddles. 3. Remove four connectors. Connectors Wire saddle Wire saddle Waire saddle Figure 1-5-87 4. Release six wire saddles. Wire saddle 5.
Page 413 2LK/2LN/2LM/2LC 6. Release the wire saddle. 7. Remove the connector from the coin vender plate. Connctor Wire saddle Coin vender plate Figure 1-5-89 8. Remove two screws. 9. Remove the power source assembly. Screw Screw Power source assembly Figure 1-5-90 1-5-57...
Page 414 2LK/2LN/2LM/2LC 10. Remove eight screws. Screws 11. Remove the power source PWB. 12. Check or replace the power source Screws PWB and refit all the removed parts. Screws Power source PWB Screw Figure 1-5-91 1-5-58...
Page 415 2LK/2LN/2LM/2LC (4) Detaching and refitting the high voltage PWB 1 Procedure 1. Remove the power source PWB (see page 1-5-56). 2. Remove the main drive unit (see page 1-5-73). 3. Remove five connectors from high volt- age PWB. High voltage PWB 1 Connectors YC18...
Page 416 2LK/2LN/2LM/2LC (5) Detaching and refitting the high voltage PWB 2 Procedure 1. Remove the main drive unit (see page 1-5-73). 2. Pull the transfer belt unit out a little (see page 1-5-41). 3. Remove two connectors from the high voltage PWB 2 assembly. High voltage PWB 2 assembly Connectors High voltage...
Page 417 2LK/2LN/2LM/2LC (6) Detaching and refitting the operation PWB Procedure 1. Pull the conveying unit out. Right upper cover 2. Remove the screw from the right upper cover. Screw Figure 1-5-96 3. Open the front cover. 4. Remove the screw and then remove the fan cover.
Page 418 2LK/2LN/2LM/2LC 6. Remove the screw and then remove the Screw operation panel cover. Operation panel cover Operation panel cover Figure 1-5-98 7. Remove two screws and then remove the USB electric wire (connector). Screws USB electric wire (connector) Figure 1-5-99 1-5-62...
Page 419 2LK/2LN/2LM/2LC 8. Remove four screws. Screws Screws Figure 1-5-100 9. Pull the operation panel unit upward. 10. Release three wire saddles. Operation panel unit 11. Remove four connectors from the oper- ation PWB. 12. Remove the operation panel unit. Operation PWB Connectors Connector Wire saddle...
Page 420 2LK/2LN/2LM/2LC 13. Remove four connectors and two FFC from the operation PWB. Operation PWB FFC connector *: When removing the FFC from the FFC with a lock connector with a lock, remove the FFC after released by lifting up the lock lever (see page 1-5-50).
Page 421 2LK/2LN/2LM/2LC (7) Detaching and refitting the fuser IH PWB Procedure 1. Remove seven screws and then remove the rear upper cover. Rear upper cover Screws Screws Screws Screw Figure 1-5-104 2. Remove eight screws. 3. Release two hanging parts and then remove the rear lower cover.
Page 422 2LK/2LN/2LM/2LC 5. Remove two screws and then remove Screws the ISU right cover. 6. Remove the screw and five hooks and ISU right cover then remove the right upper cover. Right upper cover Screw Figure 1-5-106 7. Remove two screws. Right middle rear cover 8.
Page 423 2LK/2LN/2LM/2LC 9. Remove four screws and the remove IH electric wire cover the fuser IH PWB cover. 10. Remove the IH electric wire cover. Screw Screws Screw Fuser IH PWB cover Figure 1-5-108 11. Release two wire saddles. 12. Remove four connector from the fuser IH PWB.
Page 424 2LK/2LN/2LM/2LC 13. Remove two electric wire holders. 14. Remove the connector (YC27) from feed PWB 1. Connector (YC27) Feed PWB 1 Electric wire holder Electric wire holder Figure 1-5-110 15. Remove three screws. 16. Unhook two hooks and then remove IH IH box assembly box assembly.
Page 425 2LK/2LN/2LM/2LC 17. Remove two connectors. Screws 18. Remove six screws. 19. Unhook the hook of the PWB spacer and then fuser IH PWB. Screws 20. Check or replace the fuser IH PWB and Connector refit all the removed parts. Screws Connector Fuser IH PWB PWB spacer...
Page 426: Drive Section
2LK/2LN/2LM/2LC 1-5-8 Drive section (1) Detaching and refitting the drum drive unit K and the drum drive unit MCY Procedure Detaching the drum drive unit K 1. Remove the rear upper cover and the rear lower cover (see page 1-5-65). 2.
Page 427 2LK/2LN/2LM/2LC Detaching the drum drive unit MCY 6. Remove the left upper cover (see page Connector 1-5-49). 7. Remove the left cover (see page 1-5- 25). 8. Remove the connector. Screw 9. Remove the screw. Figure 1-5-115 10. Remove as one body the toner unit duct, the toner fan motor 1 and the toner fan motor 2.
Page 428 2LK/2LN/2LM/2LC 11. Release two wire saddles. 12. Remove three connector. Connector Wire saddle Connector Wire saddle Connector Figure 1-5-117 13. Remove five screws and then remove the drum drive unit MCY. *: Do not have a shaft part alone when you (Shaft portion) carry drum drive unit MCY.
Page 429 2LK/2LN/2LM/2LC (2) Detaching and refitting the main drive unit Procedure 1. Remove the drum drive unit K and the drum drive unit MCY (see page 1-5-70). 2. Release three wire saddles on the main drive unit. 3. Remove two connectors. Main drive unit Connector Wire saddle...
Page 430 2LK/2LN/2LM/2LC (3) Detaching and refitting the fuser drive unit, transfer drive unit and feed drive unit Procedure Feed PWB 1 Detaching the fuser drive unit assembly 1. Remove the rear upper cover and the rear lower cover (see page 1-5-65). 2.
Page 431 2LK/2LN/2LM/2LC 5. Remove the FFC from the FFC connec- tor with a lock (YC4) on the engine Engine PWB PWB. Remove the FFC from the FFC connec- tor with a lock (YC1) on the feed PWB FFC connector with a lock (YC4) *: When removing the FFC from the FFC connector with a lock, remove the FFC after released by lifting up the lock lever...
Page 432 2LK/2LN/2LM/2LC 8. Remove the connector. 9. Remove three screws. 10. Remove the fuser drive unit. Fuser drive unit Screw Fuser drive unit Connector Screw Screw Figure 1-5-125 Detaching the transfer drive unit 11. Pull out the transfer belt unit a little (see page 1-5-41).
Page 433 2LK/2LN/2LM/2LC Detaching the feed drive unit 16. Remove three electric wires from the feed 2 FFC guide. Electric wire holder Feed 2 Electric wire FFC guide holders Figure 1-5-127 17. Remove two screws and then remove the feed 2 FFC guide. Feed 2 FFC guide Screw...
Page 434 2LK/2LN/2LM/2LC 18. Remove the following nine connectors from the feed PWB 2. Feed PWB 2 YC10 YC11 YC11 YC13 YC12 Feed PWB 2 Figure 1-5-129 19. Remove three screws. 20. Remove the feed drive unit. Feed drive unit Screw Screw Screw Screw Screw...
Page 435 2LK/2LN/2LM/2LC 21. Check or replace the feed drive unit and refit all the removed parts. *: Connect the connector (yellow) to the con- Feed drive unit nector of paper feed clutch 1 on stamp [YELLOW] side as before, when removing the connector of the paper feed clutch as the check of the feed drive unit etc.
Page 436 2LK/2LN/2LM/2LC (4) Detaching and refitting the lift motor 1 and 2 Procedure 1. Remove the rear lower cover (see page 1-5-65). 2. Remove the power source assembly (see page 1-5-56). 3. Remove the connector each. 4. Remove two screws each. 5.
Page 437 2LK/2LN/2LM/2LC 1-5-9 Others (1) Detaching the eject filter Procedure 1. Unhook the hook and remove the eject filter units. Eject filter units Eject filter 2. Remove the eject filters from the eject covers. 3. Check or replace the eject filters and refit the filter.
Page 438 2LK/2LN/2LM/2LC (2) Detaching and refitting the toner filter Procedure 1. Remove the toner filter unit while grip- ping the levers. Toner filter unit 2. Check or replace the toner filter unit and refit the filter. Levers Toner filter unit Figure 1-5-134 1-5-82...
Page 439 2LK/2LN/2LM/2LC (3) Detaching and refitting the fan filter Procedure 1. Open the front cover. 2. Remove the fan filter by releasing the lever. 3. Clean the fan filter. 4. Refit the fan filter. Front cover Fan filter Lever Fan filter Figure 1-5-135 1-5-83...
Page 440 2LK/2LN/2LM/2LC (4) Detaching and refitting the transfer belt filter Procedure 1. Remove two transfer belt filters by Lever releasing the lever. Transfer belt filter 2. Clean the transfer belt filter. 3. Refit the transfer belt filter. Lever Transfer belt filters Figure 1-5-136 1-5-84...
Page 441 2LK/2LN/2LM/2LC (5) Detaching and refitting the DU filter Procedure 1. Open the MP tray. 2. Remove two DU filters by releasing the DU filter lever. 3. Clean the DU filter. DU filter 4. Refit the DU filter. Lever Lever DU filter MP tray Figure 1-5-137 1-5-85...
Page 442 2LK/2LN/2LM/2LC (6) Detaching and refitting the left filter Procedure 1. Remove the left filter cover by releasing the lever. 2. Remove the left filter. Left filter 3. Check or replace the left filter and refit the filter. Lever Left filter cover Figure 1-5-138 1-5-86...
Page 443 2LK/2LN/2LM/2LC (7) Detaching and refitting the hard disk unit Procedure 1. Perform maintenance mode U917 (backup data reading) (see page 1-3- 186). 2. Remove the rear upper cover (see page 1-5-65). 3. Release the wire saddle. 4. Remove two screws. Screws Wire saddle Figure 1-5-139...
Page 444 2LK/2LN/2LM/2LC [30ppm/35ppm] [45ppm/55ppm] 6. Remove two connectors from the hard disk unit while pushing the lock lever. Number of hard disk unit equipment Hard disk unit 30ppm model/35ppm model: 1 45ppm model/55ppm model: 2 Hard disk Hard disk unit unit Lever Lever Connector...
Page 445 2LK/2LN/2LM/2LC (8) Direction of installing the principal fan motors When detaching or refitting the fan motors, be careful of the airflow direction (intake or exhaust). Fuse rear fan motor Eject fan Developer motor 2 fan motor 2 Eject front fan motor Fuser fan motor 2 Eject fan...
Page 446: Upgrading The Firmware
2LK/2LN/2LM/2LC 1-6 Requirements on PWB Replacement 1-6-1 Upgrading the firmware Follow the procedure below to upgrade the firmware of main PWB, operation PWB, engine PWB, ISC PWB, fuser IH PWB, motor control PWB, optional language, color table and optional devices. Preparation Extract the file that has the download firmware and put them in the USB Memory.
Page 447: Remarks On Main Pwb Replacement
2LK/2LN/2LM/2LC 1-6-2 Remarks on main PWB replacement When replacing the main PWB, remove the EEPROM (YC14) and code DIMM (YS4) from the main PWB that has been removed and then reattach it to the new main PWB. Main PWB EEPROM YC14 Figure 1-6-2 When refitting DIMM, check "CODE"...
Page 448 2LK/2LN/2LM/2LC When connecting the hard disk cables (YC1, YC2) to the PWB, match "BLACK" and "BLUE" marked on the PWB with the connector colors. Main PWB BLACK BLUE Figure 1-6-4 When connecting the USB cables (YC17, YC21) to the PWB, match "BK" and "WH" marked on the PWB with the connector colors.
Page 449: Remarks On Engine Pwb Replacement
2LK/2LN/2LM/2LC 1-6-3 Remarks on engine PWB replacement When replacing the engine PWB, remove the EEPROM (U100) from the engine PWB that has been removed and then reattach it to the new engine PWB. Engine PWB EEPROM U100 Figure 1-6-6 1-6-4...
Page 450 2LK/2LN/2LM/2LC 2-1 Mechanical Construction 2-1-1 Paper feed/conveying section Paper feed/conveying section consists of the paper feed unit that feeds paper from the cassette and the MP tray paper feed unit that feeds paper from the MP tray, and the paper conveying section that conveys the fed paper to the transfer/separation section.
Page 451 2LK/2LN/2LM/2LC FEED_MOT_DIR YC2-2 FEED_MOT_RDY YC2-3 FEED_MOT_CLK YC2-4 FEED_MOT_REM YC2-5 ASIST_CL1 YC10-1 FEED_CL1_REM ASCL1* YC4-1 PFCL1 CAS1_P0_SENS YC8-11 PICK_SOL1_REM YC8-2 PUSOL1* PICK_SOL1_RET YC8-3 CAS1_EMPTY_SENS YC8-6 CAS1_LIFT_UP_SENS YC8-9 LIFT_MOT1_RET PCCL YC3-13 LIFT_MOT1_DR YC3-14 PGS1(U) CAS1_QUANT1 YC3-19 PGS1(L) CAS1_QUANT2 YC3-22 ASCL2* PFCL2 CAS2_P0_SENS YC8-23 PICK_SOL2_REM YC8-14...
Page 452 2LK/2LN/2LM/2LC (2) MP tray paper feed section Paper is fed out of the MP tray by the rotation of the MP forwarding pulley, MP paper feed pulley and MP sep- aration pulley. The MP separation pulley prevents multiple sheets from being fed at one time by the torque lim- iter.
Page 453 2LK/2LN/2LM/2LC RYPWB MPF_LIFT_UP_SENS MPLS1 YC3-5 MPF_PPR_SET MPPS YC3-3 MPF_CL_REM YC3-13 PFCL MPPLSW MPF_LIFT_DOWN_SENS MPTSW MPLS2 YC3-8 MPPWSW MPF_JAM_SENS MPFS YC3-11 MPF_LIFT_DR_B YC3-11 MPLM MPF_LIFT_DR_A YC3-11 MPF_WID1 YC2-7 MPF_WID2 YC2-5 MPF_WID3 YC2-4 MPF_LNG YC2-2 MPF_TABLE YC2-9 YC12 YC17 FPWB1 EPWB Figure 2-1-4 MP tray paper feed section block diagram 2-1-4...
Page 454 2LK/2LN/2LM/2LC (3) Paper conveying section The paper conveying section conveys paper to the transfer/separation section as paper feeding from the cas- sette or MP tray, or as paper refeeding for duplex printing. Paper by feeding is conveyed by the middle roller to the position where the registration sensor (RS) is turned on, and then sent to the transfer/separation section by the right registration roller and left registration roller.
Page 455 2LK/2LN/2LM/2LC FPWB2 REG_CL_REM YC22-2 REG_SENS YC7-12 BEND_SENS YC7-5 FPWB1 FFED1_SENS YC8-9 MID_CL_REM YC7-14 FEED_MOT_DIR YC2-2 FEED_MOT_RDY YC2-3 FEED_MOT_CLK YC2-4 FEED_MOT_REM YC2-5 YC5-42 YC2-9 EPWB Figure 2-1-6 Paper conveying section block diagram (30 ppm/35 ppm model) 2-1-6...
Page 456 2LK/2LN/2LM/2LC REG_MOT_B/ YC25-1 FPWB2 REG_MOT_A/ YC25-2 REG_MOT_B YC25-3 REG_MOT_A YC25-4 REG_SENS YC7-12 BEND_SENS YC7-5 FFED1_SENS YC8-9 FPWB1 MID_B/ YC7-1 MID_A/ YC7-2 MID_B YC7-3 MID_A YC7-4 FEED_MOT_DIR YC2-2 FEED_MOT_RDY YC2-3 FEED_MOT_CLK YC2-4 FEED_MOT_REM YC2-5 YC5-42 YC2-9 EPWB Figure 2-1-7 Paper conveying section block diagram (45 ppm/55 ppm model) 2-1-7...
Page 457: Drum Section
2LK/2LN/2LM/2LC 2-1-2 Drum section The drum section consists of the charger roller unit, drum and cleaning section. The drum is electrically charged uniformly by means of a charger roller to form a latent image on the surface. The cleaning section consists of the cleaning blade and the cleaning roller which remove residual toner from the drum surface after transfer.
Page 458 2LK/2LN/2LM/2LC HVPWB1 Drum Drum Drum Drum unit Y unit C unit M unit K CL-Y CL-C CL-M CL-K DRPWB-Y DRPWB-C DRPWB-M DRPWB-K EEPROM EEPROM EEPROM EEPROM FRPWB EPWB MCPWB DRM-M DRM-Y DRM-C DRM-K -MCY *1: 30 ppm/35 ppm model [45 ppm/55 ppm model only] *2: 45 ppm/55 ppm model Figure 2-1-9 Drum section block diagram 2-1-9...
Page 459: Developer Section
2LK/2LN/2LM/2LC 2-1-3 Developer section The developer unit consists of the sleeve roller that forms the magnetic brush, the magnet roller, the devel- oper blade and the developer screws that agitate the toner. Also, the toner sensor (TS) checks whether or not toner remains in the developer unit.
Page 460 2LK/2LN/2LM/2LC HVPWB VM-Y VM-C VM-M VM-K Developer Developer Developer Developer unit Y unit C unit M unit K TS-Y TS-C TS-M TS-K FRPWB EPWB MCPWB DEVM-K DRM-MCY Figure 2-1-11 Developer section block diagram 2-1-11...
Page 461 2LK/2LN/2LM/2LC 2-1-4 Optical section The optical section consists of the image scanner section for scanning and the laser scanner section for print- ing. (1) Image scanner section The original image is illuminated by the exposure lamp (EL) and scanned by the CCD image sensor in the CCD PWB (CCDPWB) via the three mirrors and ISU lens, the reflected light being converted to an electrical signal.
Page 462 2LK/2LN/2LM/2LC Original ODSW LEDPWB CCDPWB Lens image sensor Image scanner unit ISCPWB MPWB Figure 2-1-13 Image scanner section block diagram 2-1-13...
Page 463 2LK/2LN/2LM/2LC (2) Laser scanner section The charged surface of the drum is then scanned by the laser beam from the laser scanner unit. The laser beam is dispersed as the polygon motor (PM) revolves to reflect the laser beam over the drum. Various lenses and mirror are housed in the laser scanner unit, adjust the diameter of the laser beam, and focalize it at the drum surface.
Page 464 2LK/2LN/2LM/2LC BD_Bk YC5-2 YC1-29 LSU_TH_Bk PDPWB-K YC5-3 YC1-28 LDD_CS_Bk YC5-9 YC1-22 DATA_1N_Bk YC5-25 YC1-6 Laser PWB-K DATA_1P_Bk YC5-26 YC1-5 scanner DATA_2N_Bk unit K YC5-28 YC1-3 DATA_2P_Bk YC1-2 YC5-29 REM_Bk YC4-3 LOCK_Bk PM-K YC4-4 CLK_Bk YC4-5 BD_M YC8-2 YC1-29 LSU_TH_M PDPWB-M YC8-3 YC1-28 LDD_CS_M...
Page 465 2LK/2LN/2LM/2LC 2-1-5 Transfer/Separation section The transfer/separation section consists of the intermediate transfer unit section and the secondary transfer roller section. (1) Intermediate transfer unit section The intermediate transfer unit section consists of the transfer cleaning unit, the transfer belt, and the four pri- mary transfer rollers for respective color drums, and forms a full-color toner image by superimposing and transferring single-color toner images formed on each drum onto the transfer belt.
Page 466 2LK/2LN/2LM/2LC HVPWB2 Transfer belt unit TRPWB TRBLS TRCM EPWB REG_SENS_F_P YC10-6 IDS1 REG_SENS_F_S YC10-7 REG_SENS_R_P YC10-11 IDS2 REG_SENS_R_S YC10-12 CLN_SOL_REM YC10-14 CLSOL FPWB1 CLN_SOL_RET YC10-15 TR_BRK YC13-1 TR_DIR YC13-2 TR_RDY YC13-3 TR_CLK YC13-4 TR_REM YC13-5 Figure 2-1-17 Intermediate transfer unit section block diagram 2-1-17...
Page 467 2LK/2LN/2LM/2LC (2) Secondary transfer roller section The secondary transfer roller section consists of the secondary transfer roller mounted to the paper conveying unit and the separation brush. To the secondary transfer roller, DC bias is applied from the high voltage PWB 2 (HVPWB2).
Page 468 2LK/2LN/2LM/2LC EPWB HVPWB2 Separation brush SP_REM Separation bias YC1-7 YC8-5 T2_REM Secondary transfer bias YC1-8 YC8-6 TRRS Secondary transfer roller TRRM FPWB1 PRS_REM1 YC1-16 YC6-49 PRS_REM2 YC1-15 YC6-50 PRS_SENS YC1-14 YC6-51 RYPWB YC14 Figure 2-1-19 Secondary transfer roller section block diagram 2-1-19...
Page 469 2LK/2LN/2LM/2LC 2-1-6 Fuser section The paper sent from the transfer/separation section is interleaved between the heat roller and the press roller. The heat roller (fuser belt) is heated by the fuser IH (FIH), and the toner is fused by heat and pressure and fixed onto the paper because the press roller is pressed by the fuser press spring.
Page 470 2LK/2LN/2LM/2LC PRESS_TH YC26-B9 FSR_SIZE_SENS FUES YC26-A13 FSR_RLS_DR_CW YC26-A11 FURM FSR_RLS_DR_CCW YC26-A12 Fuser unit FSR_RLS_SENS YC26-A16 FURS COIL_LIVE FTH4 EPWB FIHPWB COIL_COM YC26 +15V1 YC6-1 +15V2 YC6-2 FTH2 FTH3 FTH1 FSR_BLT_PLS FUBLS YC26-A19 MAIN_TH1,2 YC26-B16,17 YC1-5,6 GUIDE_TH YC26-B15 YC1-7 EDGE_TH YC1-9 FUPWB YC26-B11 FPWB1...
Page 471 2LK/2LN/2LM/2LC 2-1-7 Eject/Feedshift section The paper eject/feedshift section consists of the conveying path which sends the paper that has passed the fuser section to the top tray, duplex conveying section or job separator. Figure 2-1-22 Eject/Feed shift section 1. Middle pulley 8.
Page 472 2LK/2LN/2LM/2LC JUNC_SOL_REM YC5-19 FSSOL JUNC_SOL_RET YC5-20 EXIT_FEED_SENS YC5-13 EXIT_PAP_SENS YC5-16 FRPWB SB_CORE_B/ YC5-8 SB_CORE_A/ YC5-9 SB_CORE_B YC5-10 SB_CORE_A YC5-11 EPWB Figure 2-1-23 Eject/Feed shift section block diagram 2-1-23...
Page 473: Duplex Conveying Section
2LK/2LN/2LM/2LC 2-1-8 Duplex conveying section The duplex conveying section consists of conveying path which sends the paper sent from the eject/feedshift section to the paper feed/conveying section when duplex printing. Figure 2-1-24 Duplex conveying section 1. Upper duplex roller 6. Duplex sensor 1 (DUS1) 2.
Page 474 2LK/2LN/2LM/2LC DU_ENTER_SENS DUS1 YC23-1 YC13-12 YC11-2 DU_CL1_REM DUCL1 YC23-4 YC13-9 YC11-9 FPWB1 RYPWB DU_SENS DUS2 YC14-5 YC1-14 YC9-2 DU_CL2_REM DUCL2 YC14-12 YC1-7 YC7-2 EPWB Figure 2-1-25 Duplex conveying section block diagram (30 ppm/35 ppm model) 2-1-25...
Page 475 2LK/2LN/2LM/2LC DU_ENTER_SENS DUS1 YC23-1 YC13-12 YC11-2 DU1_B/ YC23-6 YC13-7 YC16-1 DU1_A/ YC23-7 YC13-6 YC16-2 DU1_B DUM1 YC23-8 YC13-5 YC16-3 DU1_A YC23-9 YC13-4 YC16-4 FPWB1 RYPWB DU_SENS DUS2 YC14-5 YC1-14 YC9-2 DU2_B/ YC14-14 YC1-5 YC7-5 DU2_A/ YC14-15 YC1-4 YC7-6 DU2_B DUM2 YC14-16 YC1-3 YC7-7...
Page 476: Electrical Parts Layout
2LK/2LN/2LM/2LC 2-2 Electrical Parts Layout 2-2-1 Electrical parts layout (1) PWBs Machine right Machine inside Machine left Figure 2-2-1 PWBs 1. Main PWB (MPWB) ......Controls the software such as the print data processing and provides the interface with computers. 2.
Page 477 2LK/2LN/2LM/2LC 10. Operation PWB 1 (OPWB1)....Controls touch panel and LCD indication. 11. Operation PWB 2 (OPWB2)....Consists of the LED indicators and key switches. 12. Operation PWB 3 (OPWB3)....Consists of the LED indicators. 13. Front PWB (FRPWB) ......Consists of wiring relay circuit between engine PWB and drum units, developer units, eject unit.
Page 478 2LK/2LN/2LM/2LC List of correspondences of PWB names Name used in service manual Name used in parts list Main PWB (MPWB) PARTS PWB MAIN ASSY SP Engine PWB (EPWB) PARTS PWB ENGINE ASSY SP Power source PWB (PSPWB) PARTS UNIT LOW VOLTAGE SP Current PWB (CRPWB) PARTS PWB CURRENT AVE ASSY SP High voltage PWB 1 (HVPWB1)
Page 479 2LK/2LN/2LM/2LC (2) Switches and sensors 39,40 21 23 Machine right Machine inside Machine left Figure 2-2-2 Switches and sensors 1. Main power switch (MSW) ....Turns ON/OFF the AC power source. 2. Front cover switch (FRCSW) ....Detects the opening and closing of the front cover. 3.
Page 480 2LK/2LN/2LM/2LC 19. MP lift sensor 1 (MPLS1) ...... Detects activation of upper limit of the MP plate. 20. MP lift sensor 2 (MPLS2) ...... Detects activation of lower limit of the MP plate. 21. MP paper length switch (MPPLSW)..Detects the length of paper (MP tray). 22.
Page 481 2LK/2LN/2LM/2LC (3) Motors Machine right Machine inside Machine left Figure 2-2-3 Motors 1. Paper feed motor (PFM) ....... Drives the paper feed section. 2. Lift motor 1 (LM1)........Operates the bottom plate (cassette 1). 3. Lift motor 2 (LM2)........Operates the bottom plate (cassette 2). 4.
Page 482 2LK/2LN/2LM/2LC 18. Toner motor C (TM-C)......Replenishes toner to the developing unit C 19. Toner motor Y (TM-Y) ......Replenishes toner to the developing unit Y 20. Developer motor K (DEVM-K)....Drives the developer unit K. 21. Developer motor MCY (DEVM-MCY) ... Drives the developer units M, C and Y. 22.
Page 483 2LK/2LN/2LM/2LC (4) Fan motors 10,11 17,18 Machine right Machine inside Machine left Figure 2-2-4 Motors 1. Toner fan motor 1 (TFM1) ..... Cools the toner container section. 2. Toner fan motor 2 (TFM2) ..... Cools the toner container section. 3. Developer fan motor 1 (DEVFM1) ..Cools the developer section. 4.
Page 484 2LK/2LN/2LM/2LC 17. Eject fan motor (EFM)......Cools the eject section. 18. Eject fan motor (EFM)......Cools the eject section. 19. Power source fan motor (PSFM) ..Cools the power source section. 20. Controller fan motor (CONFM)....Cools the controller section. 2-2-9...
Page 485 2LK/2LN/2LM/2LC (5) Others Machine right Machine inside Machine left Figure 2-2-5 Others 1. Paper feed clutch 1 (PFCL1) ....Primary paper feed from cassette 1. 2. Paper feed clutch 1 (PFCL1) ....Primary paper feed from cassette 2. 3. Assist clutch 1 (ASCL1) ......
Page 486 2LK/2LN/2LM/2LC 18. Cleaning lamp Y (CL-Y) ......Eliminates the residual electrostatic charge on the drum (yellow). 19. Fuser IH (FIH) ........Heats the heat roller (fuser belt). 20. Fuser thermostat (FTS)......Prevents overheating of the heat roller (fuser belt). 21. Cassette heater (CH) ......Dehumidifies the cassette section (option). 22.
Page 487 2LK/2LN/2LM/2LC This page is intentionally left blank. 2-2-12...
Page 488: Main Pwb
2LK/2LN/2LM/2LC 2-3 Operation of the PWBs 2-3-1 Main PWB YC12 YC13 YC17 YC21 YC25 YC16 YC11 U113 YC30 YC20 YC10 U112 YC33 YC23 YC27 YC32 YC24 YC18 BLACK BAT1 BLUE YC15 YC14 Figure 2-3-1 Main PWB silk-screen diagram 2-3-1...
Page 489 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to HDD1 data signal hard disk 1 HDD1 data signal Ground HDD1 data signal HDD1 data signal Ground Ground Connected to HDD2 data signal hard disk 2 HDD2 data signal Ground HDD2 data signal HDD2 data signal Ground HSYNC_AN...
Page 490 2LK/2LN/2LM/2LC Connector Signal Voltage Description SGND Ground Connected to 0/3.3 V DC (pulse) Image control signal engine PWB 0/3.3 V DC (pulse) Image control signal SGND Ground 0/3.3 V DC (pulse) Image control signal 0/3.3 V DC (pulse) Image control signal SGND Ground SLEEP...
Page 491 2LK/2LN/2LM/2LC Connector Signal Voltage Description KMDET 0/3.3 V DC KMAS set signal Connected to Not used KMAS KMDREQ 0/3.3 V DC KMAS control signal KMACK 0/3.3 V DC KMAS control signal KMRXD 0/3.3 V DC (pulse) KMAS received data signal SGND Ground KMTXD...
Page 492 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC10 Ground Connected to Ground DP relay 3.3V 3.3 V DC 3.3 V DC power to DPRPWB 3.3V 3.3 V DC 3.3 V DC power to DPRPWB 3.3V 3.3 V DC 3.3 V DC power to DPRPWB 3.3V 3.3 V DC 3.3 V DC power to DPRPWB...
Page 493 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC10 DBB7 0/3.3 V DC (pulse) Image data signal Connected to HHALF 0/3.3 V DC DPRPWB Control signal DP main SLEEP 0/3.3 V DC DPRPWB Control signal TWS_DET 0/3.3 V DC DPRPWB Control signal Ground 0/3.3 V DC (pulse) Address bus signal 0/3.3 V DC (pulse) Address bus signal 0/3.3 V DC (pulse) Address bus signal...
Page 494 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC10 0/3.3 V DC (pulse) DPRPWB Control signal Connected to SCLKIN 0/3.3 V DC (pulse) DPRPWB clock signal DP main 3.3V 3.3 V DC 3.3 V DC power to DPRPWB 3.3V 3.3 V DC 3.3 V DC power to DPRPWB 3.3V 3.3 V DC 3.3 V DC power to DPRPWB...
Page 495 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC16 Ground Connected to 0/3.3 V DC (pulse) Data bus signal CF card 0/3.3 V DC (pulse) Data bus signal 0/3.3 V DC (pulse) Data bus signal 0/3.3 V DC (pulse) Data bus signal 0/3.3 V DC (pulse) Data bus signal /CE1 0/3.3 V DC Control signal...
Page 496 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC16 RDY/BSY 0/3.3 V DC Control signal Connected to 0/3.3 V DC Control signal CF card CSEL 0/3.3 V DC Control signal 0/3.3 V DC Control signal RESET 0/3.3 V DC Reset signal /WAIT 0/3.3 V DC Control signal INPACK 0/3.3 V DC...
Page 497 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC24 +12V 12 V DC 12 V DC power from PSPWB Connected to +12V 12 V DC 12 V DC power from PSPWB power source +12V 12 V DC 12 V DC power from PSPWB +12V 12 V DC 12 V DC power from PSPWB...
Page 498 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC33 SGND Ground Connected to SDOCLK 0/3.3 V DC (pulse) Clock signal fiery relay 0/3.3 V DC (pulse) Serial communication data signal SGND Ground SDICLK 0/3.3 V DC (pulse) Clock signal 0/3.3 V DC (pulse) Serial communication data signal SGND Ground SGND...
Page 499: Engine Pwb
2LK/2LN/2LM/2LC 2-3-2 Engine PWB 12 6 1 B19 YC23 YC22 YC25 YC26 YC20 YC19 YC21 YC24 YC49 U100 YC10 YC50 YC46 YC47 Figure 2-3-2 Engine PWB silk-screen diagram 2-3-12...
Page 500 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to 5 V DC 5 V DC power from FPWB1 feed PWB 1 Ground +12V 12 V DC 12 V DC power from FPWB1 Ground Ground +24V1 24 V DC 24 V DC power from FPWB1 +24V1 24 V DC 24 V DC power from FPWB1...
Page 501 2LK/2LN/2LM/2LC Connector Signal Voltage Description ZIG_SENS 0/3.3 V DC TRSS: On/Off Connected to 5 V DC 5 V DC power to TRSS transfer belt Ground unit Ground BLT_SPEED 0/3.3 V DC TRBLS: On/Off 5 V DC 5 V DC power to TRBLS TEMP Analog TEMP signal...
Page 502 2LK/2LN/2LM/2LC Connector Signal Voltage Description CAS2_QUANT2 0/3.3 V DC PGS2(L): On/Off Connected to CAS2_QUANT1 0/3.3 V DC PGS2(U): On/Off feed PWB 2 CAS1_QUANT2 0/3.3 V DC PGS1(L): On/Off CAS1_QUANT1 0/3.3 V DC PGS1(U): On/Off LIFT_MOT1_LOC 0/3.3 V DC LM1 lock signal LIFT_MOT2_LOC 0/3.3 V DC LM2 lock signal...
Page 503 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to M_TEMP Not used feed PWB 1 LOOP_SENS 0/3.3 V DC LPS: On/Off Ground EDGE_FAN_H 0/24 V DC FUFM: On/Off DU1_MOT_PD 0/3.3 V DC DUM1 control signal DU1_MOT_CLK 0/3.3 V DC (pulse) DUM1 clock signal DU1_MOT_REM( 0/3.3 V DC DUM1/DUCL1: On/Off...
Page 504 2LK/2LN/2LM/2LC Connector Signal Voltage Description DLP_MOT_BK_DI Not used Connected to Ground feed PWB 1 DRM_MOT_CLR_ Not used DRM_MOT_BK_C Not used LR_CLK DRM_MOT_CLR_ Not used DRM_MOT_CLR_ Not used Ground DLP_MOT_CLR_ Not used DLP_MOT_CLR_ Not used DLP_MOT_CLR_ Not used DLP_MOT_CLR_ Not used Ground REG_MOT_PD 0/3.3 V DC...
Page 505 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to JOB_SET 0/3.3 V DC Job separator set signal feed PWB 1 JOB_MOT_REM 0/3.3 V DC JEM: On/Off JOB_MOT_CLK 0/3.3 V DC (pulse) JEM clock signal JOB_MOT_DIR 0/3.3 V DC JEM drive switch signal JOB_OPEN_SEN 0/3.3 V DC JOCS: On/Off...
Page 506 2LK/2LN/2LM/2LC Connector Signal Voltage Description MPF_CL 0/24 V DC MPPFCL: On/Off Connected to MPF_LIF2 0/24 V DC MPLM: On/Off feed PWB 1 MPF_LIFT1 0/24 V DC MPLM: On/Off Ground TC_MOT_LOCK Not used TC_TONER_LED Not used TC_TONER_FUL Not used TC_TONER_VCO Not used INTER_LOCK Not used DU2_PD...
Page 507 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to WTNR_SET Not used front PWB INTER_LOCK Not used IH_CORE_SENS Not used IH_CORE_MOT_ Not used IH_CORE_CLK Not used WTNR_LED 0/3.3 V DC (pulse) WTS1 LED emitter signal IH_COIL_FAN_AL 0/3.3 V DC CFM1 alarm signal IH_COIL_FAN_H 0/24 V DC CFM1: On/Off...
Page 508 2LK/2LN/2LM/2LC Connector Signal Voltage Description ROT_MOT_PD Not used Connected to ROT_MOT_DIR Not used front PWB ROT_HP_SENS Not used THOP_MOT_Bk_ Not used THOP_MOT_M_R Not used THOP_MOT_C_R Not used THOP_MOT_Y_R Not used Ground ENCODE_ Bk Not used ENCODE_M Not used ENCODE_C Not used ENCODE_Y Not used THOP_ Bk...
Page 509 2LK/2LN/2LM/2LC Connector Signal Voltage Description MOT_CLK 0/3.3 V DC (pulse) MCPWB clock signal Connected to MOT_SDO 0/3.3 V DC (pulse) MCPWB serial communication data motor con- signal trol PWB MOT_SEL 0/3.3 V DC MCPWB select signal MOT_SDI 0/3.3 V DC (pulse) MCPWB serial communication data signal MOT_RDY 0/3.3 V DC...
Page 510 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC10 TPD_TEMP_M Analog Developer thermistor M detection sig- Connected to Ground front PWB DRM_INDEX_C 0/3.3 V DC DRM-C control signal ERS_C 0/24 V DC CL-C: On/Off TPD_C_1 Analog DEVPWB-C detection signal DLP_VCONT_C_ 0/3.3 V DC DEVPWB-C control signal TPD_TEMP_C Analog...
Page 511 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC11 SGND Ground Connected to DATA_2PBK(LVD 0/3.3 V DC (pulse) Video data signal K (P) LSU relay DATA_2NBK(LVD 0/3.3 V DC (pulse) Video data signal K (N) SGND Ground GAIN_FIX_BK 0/3.3 V DC APCPWB-K control signal PARA_SIG_P2_B 0/3.3 V DC APCPWB-K control signal...
Page 512 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC11 DATA_2N_C(LVD 0/3.3 V DC (pulse) Video data signal C (N) Connected to SGND Ground LSU relay GAIN_FIX_C 0/3.3 V DC APCPWB-C control signal PALA_STG_P2_C 0/3.3 V DC APCPWB-C control signal PALA_STG_P1_C 0/3.3 V DC APCPWB-C control signal PALA_STG_P0_C 0/3.3 V DC...
Page 513 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC11 0/3.3 V DC (pulse) Serial communication data signal Connected to SGND Ground LSU relay 0/3.3 V DC (pulse) Clock signal SGND Ground YC12 CLK_BK 0/3.3 V DC (pulse) PM-K clock signal Connected to LOCK_BK 0/3.3 V DC PM-K lock signal LSU relay...
Page 514 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC12 BD_M 0/3.3 V DC (pulse) Horizontal synchronization signal M Connected to SGND Ground LSU relay CLK_C 0/3.3 V DC (pulse) PM-C clock signal LOCK_C 0/3.3 V DC PM-C lock signal REM_C 0/24 V DC PM-C: On/Off SGND Ground...
Page 515 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC13 Ground Connected to Ground feed PWB 1 3.3V3 3.3 V DC 3.3 V DC power from FPWB1 3.3V2 3.3 V DC 3.3 V DC power from FPWB1 YC16 SGND Ground Connected to AC_MAIN_CLK 0/3.3 V DC (pulse) AC charger roller Y clock signal high voltage DC_MAIN_REM 0/3.3 V DC...
Page 516 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC17 SGND Ground Connected to DC_MAIN_CNT_ DC charger roller Y control signal high voltage PWB 1 MAIN_IDC_M DC charger roller M control signal AC_SLV_CLK_M 0/3.3 V DC (pulse) AC sleeve bias M clock signal DC_SLV_CNT_M DC sleeve bias M control voltage DC_MAG_CNT_ DC magnet bias M control voltage...
Page 517 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC19 PF_CLK 0/3.3 V DC (pulse) PFMPWB clock signal Connected to PF_SDO 0/3.3 V DC (pulse) PFMPWB serial communication data paper feeder/ signal large capac- PF_SEL 0/3.3 V DC PFMPWB select signal ity feeder, PF_SDI 0/3.3 V DC (pulse) PFMPWB serial communication data toner fan signal...
Page 518 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC19 B13 BELT_FAN1 0/24 V DC BLFM1: On/Off Connected to B14 +24V1 24 V DC 24 V DC power to BLFM2 paper feeder/ B15 BELT_FAN2 0/24 V DC BLFM2: On/Off large capac- B16 DLP_FAN1 Not used ity feeder, toner fan B17 +24V1...
Page 519 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC20 BRIDGE1 DIR 0/3.3 V DC BRCM1 drive switch signal Connected to BRIDGE_SENS 2 0/3.3 V DC BRCS2: On/Off bridge unit BRIDGE_OPEN 0/3.3 V DC BRCSW: On/Off BRIDGE_SENS 1 0/3.3 V DC BRCS1: On/Off Ground 5 V DC 5 V DC power to BRPWB Ground...
Page 520 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC25 5 V DC 5 V DC power to key card Connected to 5 V DC 5 V DC power to key card key card 5 V DC 5 V DC power to key card 5 V DC 5 V DC power to key card 5 V DC...
Page 521 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC26 A16 FSR_RLS_SENS 0/3.3 V DC FURS: On/Off Connected to A17 +5V 5 V DC 5 V DC power to FURS fuser unit and A18 GND Ground fuser IH PWB A19 FSR_BLT_PLS 0/3.3 V DC FUBLS: On/Off A20 +5V 5 V DC...
Page 522 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC27 TMOT_Bk_DR 0/24 V DC TM-K: On/Off Connected to Ground RFID PWB, ENCODE_Y 0/3.3 V DC SRS-Y: On/Off toner motor 5 V DC 24 V DC power to SRS-Y K/M/C/Y and screw sen- Ground sor K/M/C/Y ENCODE_C 0/3.3 V DC SRS-C: On/Off...
Page 523 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC46 0/3.3 V DC (pulse) Image control signal Connected to 0/3.3 V DC (pulse) Image control signal main PWB SGND Ground 0/3.3 V DC (pulse) Image control signal 0/3.3 V DC (pulse) Image control signal SGND Ground SLEEP...
Page 524 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC47 CH3_P 0/3.3 V DC (pulse) Image control signal Connected to SGND Ground fiery relay VCLK_N 0/3.3 V DC (pulse) Clock signal VCLK_P 0/3.3 V DC (pulse) Clock signal SGND Ground VSYNC_DP 0/3.3 V DC (pulse) Image control signal VSYNC_DN 0/3.3 V DC (pulse) Image control signal VSYNC_CP...
Page 525: Power Source Pwb
2LK/2LN/2LM/2LC 2-3-3 Power source PWB 30 ppm model/35 ppm model YC14 YC13 YC12 YC11 YC10 TB1 TB2 Figure 2-3-3 Power source PWB silk-screen diagram (30 ppm model/35 ppm model) 2-3-38...
Page 526 2LK/2LN/2LM/2LC Connector Signal Voltage Description LIVE 120 V AC AC power input 220-240 V AC Connected to NEUTRAL 120 V AC AC power input AC inlet and 220-240 V AC main power DH_LIVE 120 V AC AC power input switch 220-240 V AC MSW_OUT 120 V AC...
Page 527 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to Ground motor con- Ground trol PWB +24V1 24 V DC 24 V DC power to MCPWB +24V1 24 V DC 24 V DC power to MCPWB +24V1 24 V DC 24 V DC power to MCPWB +24V1 24 V DC 24 V DC power to FPWB1...
Page 528 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC13 +24V1 24 V DC 24 V DC power to HVPWB1 Connected to +24V1 24 V DC 24 V DC power to HVPWB1 high voltage +24V1 24 V DC 24 V DC power to HVPWB1 PWB 1 PGND Ground...
Page 529 2LK/2LN/2LM/2LC 45 ppm model/55 ppm model YC17 YC16 YC15 YC14 YC13 YC10 YC12 YC11 TB1 TB2 YC18 Figure 2-3-4 Power source PWB silk-screen diagram (45 ppm model/55 ppm model) 2-3-42...
Page 530 2LK/2LN/2LM/2LC Connector Signal Voltage Description LIVE 120 V AC AC power input 220-240 V AC Connected to NEUTRAL 120 V AC AC power input AC inlet and 220-240 V AC main power LIVE Not used switch NEUTRAL Not used DH_LIVE 120 V AC AC power input 220-240 V AC...
Page 531 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC11 Ground Connected to Ground motor con- Ground trol PWB +24V1 24 V DC 24 V DC power to MCPWB +24V1 24 V DC 24 V DC power to MCPWB +24V1 24 V DC 24 V DC power to MCPWB YC12 +24V1 24 V DC...
Page 532 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC14 +12V1 12 V DC 12 V DC power to MPWB Connected to +12V1 12 V DC 12 V DC power to MPWB main PWB +12V1 12 V DC 12 V DC power to MPWB +12V1 12 V DC 12 V DC power to MPWB...
Page 533 2LK/2LN/2LM/2LC 2-3-4 ISC PWB YC14 Figure 2-3-5 ISC PWB silk-screen diagram 2-3-46...
Page 534 2LK/2LN/2LM/2LC Connector Signal Voltage Description SC_CLK 0/3.3 V DC (pulse) Scanner clock signal Connected to SC_SO 0/3.3 V DC (pulse) Serial communication data signal main PWB SC_SI 0/3.3 V DC (pulse) Serial communication data signal SC_BSY 0/3.3 V DC Scanner busy signal SC_HLDN 0/3.3 V DC Scanner hold signal...
Page 535 2LK/2LN/2LM/2LC Connector Signal Voltage Description +3.3V 3.3 V DC 3.3 V DC power to HPS Connected to Ground home posi- HP_SW 0/3.3 V DC HPS: On/Off tion sensor Ground Connected to CCDCLK1 0/3.3 V DC (pulse) Clock signal CCD PWB Ground CCDCLK2 0/3.3 V DC (pulse) Clock signal...
Page 536 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to CCDSEL 0/3.3 V DC Select signal CCD PWB Ground AFE_MCLK 0/3.3 V DC (pulse) Clock signal GND(AFE_SHD) Ground CLPIN 0/3.3 V DC Clamp signal GND(AFE_SHP) Ground YC11 +5.1V 5 V DC 5 V DC power to CCDPWB Connected to Ground CCD PWB...
Page 537 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC14 +3.3V 3.3 V DC 3.3 V DC power to ODSW Connected to Ground original CO_SW 0/3.3 V DC ODSW: On/Off detection switch 2-3-50...
Page 538: Operation Pwb
2LK/2LN/2LM/2LC 2-3-5 Operation PWB 1 YC15 Figure 2-3-6 Operation PWB 1 silk-screen diagram 2-3-51...
Page 539 2LK/2LN/2LM/2LC Connector Signal Voltage Description 5 V DC 5 V DC power from MPWB Connected to 5 V DC 5 V DC power from MPWB main PWB 5 V DC 5 V DC power from MPWB Ground Ground VBUS 5 V DC 5 V DC power input Connected to USB data signal...
Page 540 2LK/2LN/2LM/2LC Connector Signal Voltage Description SGND Ground Connected to SGND Ground 0/3.3 V DC (pulse) LCD clock signal SGND Ground SGND Ground 0/3.3 V DC LCD Control signal R0(LSB) 0/3.3 V DC LCD Control signal 0/3.3 V DC LCD Control signal 0/3.3 V DC LCD Control signal SGND...
Page 541 2LK/2LN/2LM/2LC Connector Signal Voltage Description 3.3V 3.3 V DC 3.3 V DC power to LCD Connected to 3.3V 3.3 V DC 3.3 V DC power to LCD 3.3V 3.3 V DC 3.3 V DC power to LCD 3.3V 3.3 V DC 3.3 V DC power to LCD BOT Y- Analog...
Page 542 2LK/2LN/2LM/2LC Connector Signal Voltage Description SCAN4 0/3.3 V DC (pulse) Scan signal 4 Connected to KEY5 0/3.3 V DC (pulse) Operation panel key scan return sig- operation nal 5 PWB 2 KEY6 0/3.3 V DC (pulse) Operation panel key scan return sig- nal 6 KEY7 0/3.3 V DC (pulse) Operation panel key scan return sig-...
Page 543 2LK/2LN/2LM/2LC 2-3-6 Front PWB Figure 2-3-7 Front PWB silk-screen diagram 2-3-56...
Page 544 2LK/2LN/2LM/2LC Connector Signal Voltage Description +3.3V1 3.3 V DC 3.3 V DC power from EPWB Connected to +3.3V2 3.3 V DC 3.3 V DC power from EPWB engine PWB 5 V DC 5 V DC power from EPWB +24V 24 V DC 24 V DC power from EPWB +24V 24 V DC...
Page 545 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to EEP_SDA1 0/3.3 V DC (pulse) EEPROM data signal engine PWB Ground TPD_Y_1 Analog DEVPWB-Y detection signal DLP_VCONT_Y_ 0/3.3 V DC DEVPWB-Y control signal TPD_TEMP_Y Analog Developer thermistor Y detection sig- ERS_Y_REM 0/24 V DC CL-Y: On/Off DRM_INDEX_ Y 0/3.3 V DC...
Page 546 2LK/2LN/2LM/2LC Connector Signal Voltage Description EXIT_PAPER_SE 0/3.3 V DC EFS: On/Off Connected to EXIT_FEED_SEN 0/3.3 V DC SBS: On/Off engine PWB SB_MOT_REM 0/3.3 V DC EM: On/Off SB_MOT_PH 0/3.3 V DC EM control signal SB_MOT_CLK 0/3.3 V DC (pulse) EM clock signal SB_MOT_PD 0/3.3 V DC EM control signal...
Page 547 2LK/2LN/2LM/2LC Connector Signal Voltage Description THOP_C Not used Connected to THOP_Y Not used engine PWB Ground Not used Connected to LED1 Not used coil fan motor Not used 1 and eject LED2 Not used front fan motor IH_COIL_FAN_AL 0/3.3 V DC CFM1 alarm signal IH_COIL_FAN 0/24 V DC...
Page 548 2LK/2LN/2LM/2LC Connector Signal Voltage Description 24 V DC 24 V DC power to DEVFM2 Connected to DLP_FAN_Bk 0/24 V DC DEVFM2: On/Off developer 24 V DC 24 V DC power to DEVFM1 fan motor 1/2 DLP_FAN_M 0/24 V DC DEVFM1: On/Off 3.3V2 3.3 V DC 3.3 V DC power to DRPWB-K...
Page 549 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC10 3.3V2 3.3 V DC 3.3 V DC power to DRPWB-M Connected to EEP_SCL1 0/3.3 V DC (pulse) EEPROM clock signal drum unit M EEP_SDA1 0/3.3 V DC (pulse) EEPROM data signal Ground DRM_ADR0_M Not used DRM_ADR1_M Not used 24 V DC...
Page 550 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC13 TPD_TEMP_C Analog Developer thermistor C detection sig- Connected to DLP_VCONT_C_ 0/3.3 V DC DEVPWB-C control signal developer unit C TPD_C_1 Analog DEVPWB-C detection signal TN_CLK_C 0/3.3 V DC (pulse) Clock signal Ground DLP_ADR1_C Not used DLP_ADR0_C Not used EEP_SDA1...
Page 551 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC16 3.3V1 3.3 V DC 3.3 V DC power to OTEM1 Connected to I2C_SDA 0/3.3 V DC (pulse) EEPROM data signal outer temper- Ground ature sensor I2C_SCL 0/3.3 V DC (pulse) EEPROM clock signal 1, front cover switch, LSU FRONT_OPEN 0/3.3 V DC...
Page 552 2LK/2LN/2LM/2LC 2-3-7 Feed PWB 1 YC20 YC27 YC26 YC23 YC22 YC25 YC11 YC15 Figure 2-3-8 Feed PWB 1 silk-screen diagram 2-3-65...
Page 553 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to REG_F_LED Analog IDS1 control signal engine PWB REG_SENS_F_P Analog IDS1 detection signal REG_SENS_F_S Analog IDS1 detection signal Ground REG_R_LED Analog IDS2 control signal REG_SENS_RP( Analog IDS2 detection signal REG_SENS_RS( Analog IDS2 detection signal CLN_SOL_REM 0/24 V DC CLSOL: On/Off (ACT)
Page 554 2LK/2LN/2LM/2LC Connector Signal Voltage Description MPF_JAM 0/3.3 V DC MPFS: On/Off Connected to MPF_LIFT_DOW 0/3.3 V DC MPLS2: On/Off engine PWB MPF_LIFT_UP 0/3.3 V DC MPLS1: On/Off MPF_PPR_SET 0/3.3 V DC MPPS: On/Off Ground MPF_LNG 0/3.3 V DC MPPLSW: On/Off MPF_WID3 0/3.3 V DC MPPWSW: On/Off...
Page 555 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to IH_PWB_FAN(U) Not used _ALM engine PWB DRM_HEAT_REM Not used POWER_OFF 0/3.3 V DC Power off signal IH_PWB_FAN_AL 0/3.3 V DC IHFM alarm signal IH_PWB_FAN_H 0/24 V DC IHFM: On/Off IH_PWB_FAN_L Not used Ground REG_MOT_REM( 0/3.3 V DC...
Page 556 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to DRM_MOT_BK_B Not used engine PWB DRM_MOT_BK_D Not used DRM_MOT_BK_R Not used DRM_MOT_BK_R Not used Ground TRANS_MOT_BR 0/3.3 V DC TRCM break signal TRANS_MOT_DI 0/3.3 V DC TRCM drive switch signal TRANS_MOT_RD 0/3.3 V DC TRCM ready signal TRANS_MOT_CL 0/3.3 V DC (pulse) TRCM clock signal...
Page 557 2LK/2LN/2LM/2LC Connector Signal Voltage Description +24V1 24 V DC 24 V DC power to EPWB Connected to +24V1 24 V DC 24 V DC power to EPWB engine PWB Ground Ground +12V 12 V DC 12 V DC power to EPWB Ground 5 V DC 5 V DC power to EPWB...
Page 558 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC11 +24V1 24 V DC 24 V DC power to IHFM Connected to IH_PWB_FAN 0/24 V DC IHFM: On/Off IH fan motor IH_PWB_FAN_AL 0/3.3 V DC IHFM alarm signal YC12 +24V2 24 V DC 24 V DC power to FPWB2 Connected to +24V2 24 V DC...
Page 559 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC14 24V2 24 V DC 24 V DC power to FPWB2 Connected to DU_FAN Not used relay PWB DU_CL_LOWER_ 0/24 V DC DUCL2: On/Off DU_OPEN_SW 0/3.3 V DC DUCSW: On/Off DU2_B/ 0/24 V DC (pulse) DUM2 drive control signal DU2_A/ 0/24 V DC (pulse)
Page 560 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC17 MPF_WID3 0/3.3 V DC MPPWSW: On/Off Connected to MPF_WID2 0/3.3 V DC MPPWSW: On/Off relay PWB MPF_WID1 0/3.3 V DC MPPWSW: On/Off MPF_TABLE 0/3.3 V DC MPTSW: On/Off Ground Ground YC18 FSR_MOT_BRK 0/3.3 V DC FUM break signal Connected to FSR_MOT_DIR...
Page 561 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC23 DU_ENTER_SEN 0/3.3 V DC DUS1: On/Off Connected to EXIT_FAN 0/24 V DC EFM: On/Off relay PWB 24V2 24 V DC 24 V DC power to FPWB2 DU_CL_UPPER_ 0/24 V DC DUCL1: On/Off Ground DU1_B/ 0/24 V DC (pulse) DUM1 drive control signal DU1_A/...
Page 562 2LK/2LN/2LM/2LC 2-3-8 Feed PWB 2 YC11 Figure 2-3-9 Feed PWB 2 silk-screen diagram 2-3-75...
Page 563 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to FEED_MOT_REM 0/3.3 V DC PFM: On/Off engine PWB FEED_MOT_CLK 0/3.3 V DC (pulse) PFM clock signal FEED_MOT_RDY 0/3.3 V DC PFM ready signal FEED_MOT_DIR 0/3.3 V DC PFM drive switch signal FEED_CL1_REM 0/24 V DC PFCL1: On/Off FEED_CL2_REM...
Page 564 2LK/2LN/2LM/2LC Connector Signal Voltage Description PICK_SOL1_RET 0/24 V DC PUSOL1: On/Off (RET) Connected to PICK_SOL1_REM 0/24 V DC PUSOL1: On/Off (ACT) engine PWB CAS2_P0 0/3.3 V DC FS2: On/Off CAS2_LIFT_UP 0/3.3 V DC LS2: On/Off CAS2_EMPTY 0/3.3 V DC PS2: On/Off PICK_SOL2_RET 0/24 V DC PUSOL2: On/Off (RET)
Page 565 2LK/2LN/2LM/2LC Connector Signal Voltage Description LIFT_MOT1_RET 0/24 V DC LM1: On/Off Connected to LIFT_MOT1_DR 0/24 V DC LM1: On/Off paper length LIFT_MOT2_RET 0/24 V DC LM2: On/Off switch 1/2, LIFT_MOT2_DR 0/24 V DC LM2: On/Off paper width switch 1/2, lift LED_5V 5 V DC 5 V DC power to PGS1(U)
Page 566 2LK/2LN/2LM/2LC Connector Signal Voltage Description MID_B/ 0/24 V DC (pulse) MM drive control signal Connected to MID_A/ 0/24 V DC (pulse) MM drive control signal middle motor, MID_B 0/24 V DC (pulse) MM drive control signal regist deflec- MID_A 0/24 V DC (pulse) MM drive control signal tion sensor, middle sen-...
Page 567 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to CAS2_LIFT_UP_ 0/3.3 V DC LS2: On/Off primary SENS paper feed 5 V DC 5 V DC power to FS2 unit CAS2_P0_SENS 0/3.3 V DC FS2: On/Off Ground YC10 ASIST_CL1 0/24 V DC ASCL1: On/Off Connected to 24V2...
Page 568 2LK/2LN/2LM/2LC 2-3-9 Relay PWB YC16 YC11 Figure 2-3-10 Relay PWB silk-screen diagram 2-3-81...
Page 569 2LK/2LN/2LM/2LC Connector Signal Voltage Description 5V_LED Not used Connected to DU2_A 0/24 V DC (pulse) DUM2 drive control signal feed PWB 1 DU2_B 0/24 V DC (pulse) DUM2 drive control signal DU2_A/ 0/24 V DC (pulse) DUM2 drive control signal DU2_B/ 0/24 V DC (pulse) DUM2 drive control signal...
Page 570 2LK/2LN/2LM/2LC Connector Signal Voltage Description LED_3.3V3 3.3 V DC 3.3 V DC power to MPPLSW Connected to Ground MP tray unit MPF_PPR_SET 0/3.3 V DC MPPS: On/Off Ground MPF_LIFT_UP_S 0/3.3 V DC MPLS1: On/Off 5 V DC 5 V DC power to MPLS1 Ground MPF_LIFT_DOW 0/3.3 V DC...
Page 571 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC10 LOOP_SENS 0/3.3 V DC LPS: On/Off Connected to Ground loop sensor 5 V DC 5 V DC power to LPS 3.3V Not used REG_BK_LED Not used Not used REG_BK_SENS1 Not used REG_BK_SENS1 Not used Not used BELT_JAM_SENS Not used...
Page 572 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC12 MPF_CL_REM 0/24 V DC MPPFCL: On/Off Connected to 24V2 24 V DC 24 V DC power from FPWB1 feed PWB 1 MPF_LIFT_MOT_ 0/24 V DC MPLM: On/Off MPF_LIFT_MOT_ 0/24 V DC MPLM: On/Off TC_TONER_MOT Not used TC_TONER_MOT Not used...
Page 573 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC16 DU1_B/ 0/24 V DC (pulse) DUM1 drive control signal Connected to DU1_A/ 0/24 V DC (pulse) DUM1 drive control signal duplex motor DU1_B 0/24 V DC (pulse) DUM1 drive control signal 1 and fuser DU1_A 0/24 V DC (pulse) DUM1 drive control signal...
Page 574 2LK/2LN/2LM/2LC 2-3-10 Motor control PWB Figure 2-3-11 Motor control PWB silk-screen diagram 2-3-87...
Page 575 2LK/2LN/2LM/2LC Connector Signal Voltage Description Ground Connected to Ground power source Ground +24V1 24 V DC 24 V DC power from PSPWB +24V1 24 V DC 24 V DC power from PSPWB +24V1 24 V DC 24 V DC power from PSPWB DRM_INDEX_C 0/3.3 V DC DRM-C control signal...
Page 576 2LK/2LN/2LM/2LC Connector Signal Voltage Description Not used Connected to Not used drum motor Not used Not used Not used Not used Not used Not used DRM_C_BRAKE Not used DRM_Y_BRAKE Not used DRM_C_GAIN Not used DRM_Y_GAIN Not used DRM_C_CW/ 0/24 V DC DRM-C: On/Off DRM_Y_CW/ 0/24 V DC...
Page 577 2LK/2LN/2LM/2LC Connector Signal Voltage Description DRM_M_GAIN Not used Connected to DRM_BK_CW/ 0/24 V DC DRM-K: On/Off drum motor DRM_M_CW/ 0/24 V DC DRM-M: On/Off DRM_BK_LD 0/3.3 V DC DRM-K control signal DRM_M_LD 0/3.3 V DC DRM-M control signal DRM_BK_CLK 0/3.3 V DC (pulse) DRM-K clock signal DRM_M_CLK 0/3.3 V DC (pulse) DRM-M clock signal DRM_BK_S/S...
Page 578 2LK/2LN/2LM/2LC 2-3-11 LSU relay PWB Figure 2-3-12 LSU relay PWB silk-screen diagram 2-3-91...
Page 579 2LK/2LN/2LM/2LC Connector Signal Voltage Description +24V1 24 V DC 24 V DC power from PSPWB Connected to +24V1 24 V DC 24 V DC power from PSPWB power source Ground PWB and Ground engine PWB +5V1 5 V DC 5 V DC power from EPWB +5V1 5 V DC 5 V DC power from EPWB...
Page 580 2LK/2LN/2LM/2LC Connector Signal Voltage Description DATA_2N_Y(LVD 0/3.3 V DC (pulse) Video data signal Y (N) Connected to DATA_2P_Y(LVD 0/3.3 V DC (pulse) Video data signal Y (P) engine PWB SGND Ground INT_ST 1 C 0/3.3 V DC APCPWB-C control signal PALA_SIG P0 C 0/3.3 V DC APCPWB-C control signal...
Page 581 2LK/2LN/2LM/2LC Connector Signal Voltage Description INT_ST 2 Bk 0/3.3 V DC APCPWB-K control signal Connected to INT_ST 1 Bk 0/3.3 V DC APCPWB-K control signal engine PWB PALA_SIG P0 Bk 0/3.3 V DC APCPWB-K control signal PALA_SIG P1 Bk 0/3.3 V DC APCPWB-K control signal PALA_SIG P2 Bk 0/3.3 V DC...
Page 582 2LK/2LN/2LM/2LC Connector Signal Voltage Description DATA_1N_C(LVD 0/3.3 V DC (pulse) Video data signal C (N) Connected to DATA_1P_C(LVD 0/3.3 V DC (pulse) Video data signal C (P) engine PWB SGND Ground REM C 0/24 V DC PM-C: On/Off LOCK C 0/3.3 V DC PM-C lock signal CLK C...
Page 583 2LK/2LN/2LM/2LC Connector Signal Voltage Description SGND Ground Connected to REM Bk 0/24 V DC PM-K: On/Off engine PWB LOCK Bk 0/3.3 V DC PM-K lock signal CLK Bk 0/3.3 V DC (pulse) PM-K clock signal 24 V DC 24 V DC power to PM-K Connected to PGND Ground...
Page 584 2LK/2LN/2LM/2LC Connector Signal Voltage Description SGND Ground Connected to DATA_2NBk(LVD 0/3.3 V DC (pulse) Video data signal K (N) APC PWB K DATA_2PBk(LVD 0/3.3 V DC (pulse) Video data signal K (P) SGND Ground 24 V DC 24 V DC power to PM-M Connected to PGND Ground...
Page 585 2LK/2LN/2LM/2LC Connector Signal Voltage Description DATA_1P_M(LVD 0/3.3 V DC (pulse) Video data signal M (P) Connected to SGND Ground APC PWB M DATA_2N_M(LVD 0/3.3 V DC (pulse) Video data signal M (N) DATA_2P_M(LVD 0/3.3 V DC (pulse) Video data signal M (P) SGND Ground 24 V DC...
Page 586 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC10 DATA_1N_C(LVD 0/3.3 V DC (pulse) Video data signal C (N) Connected to DATA_1P_C(LVD 0/3.3 V DC (pulse) Video data signal C (P) APC PWB C SGND Ground DATA_2N_C(LVD 0/3.3 V DC (pulse) Video data signal C (N) DATA_2P_C(LVD 0/3.3 V DC (pulse) Video data signal C (P) SGND...
Page 587 2LK/2LN/2LM/2LC Connector Signal Voltage Description YC12 GAIN FIX Y 0/3.3 V DC APCPWB-Y control signal Connected to DATA_1N_Y(LVD 0/3.3 V DC (pulse) Video data signal Y (N) APC PWB Y DATA_1P_Y(LVD 0/3.3 V DC (pulse) Video data signal Y (P) SGND Ground DATA_2N_Y(LVD...
Page 588 2LK/2LN/2LM/2LC 2-4 Appendixes 2-4-1 Appendixes (1) Maintenance kits 30 ppm model/35 ppm model Maintenance part name Alternative Parts No. part No. Name used in service Name used in parts list MK-8305A/Maintenance kit MK-8305A/MAINTENANCE KIT 1702LK0UN0 072LK0UN (600,000 pages) Drum unit K DK-8505 (K) Developing unit K DV-8305K...
Page 589 2LK/2LN/2LM/2LC 45 ppm model/55 ppm model Maintenance part name Alternative Parts No. part No. Name used in service Name used in parts list MK-8505A/Maintenance kit MK-8505A/MAINTENANCE KIT 1702LC0UN0 072LC0UN (600,000 pages) Drum unit K DK-8505 (K) Developing unit K DV-8505K Transfer belt unit TR-8505 Transfer roller...
Page 590 2LK/2LN/2LM/2LC (2) Repetitive defects gauge First occurrence of defect 37.5 mm/1 " Carger roller 39 mm/1 " Magnet roller 9/16 Sleeve roller 57 mm/2 " Right registration roller 63 mm/2 " Left registration roller 75 mm/2 " Transfer roller 15/16 94 mm/3 "...
Page 591 2LK/2LN/2LM/2LC (3) Firmware environment commands The printer maintains a number of printing parameters in its memory. There parameters may be changed per- manently with the FRPO (Firmware RePrOgram) commands. This section provides information on how to use the FRPO command and its parameters using examples. Using FRPO commands for reprogramming firmware The current settings of the FRPO parameters are listed as optional values on the service status page.
Page 592 2LK/2LN/2LM/2LC Factory Item FRPO Setting values setting Page length Page length (integer value) Page length (decimal value) Page width Page width (integer value) Page width (decimal value) 0: Off Duplex mode 1: Long edge binding 2: Short edge binding Sleep timer time-out time Value in units of 1 minute (1 to 240) Ecoprint level 0: Off...
Page 593 2LK/2LN/2LM/2LC Factory Item FRPO Setting values setting Default paper size 0: Size of the default paper cassette (See R4.) 1: Monarch (3-7/8 × 7-1/2 inches) 2: Business (4-1/8 × 9-1/2 inches) 3: International DL (11 × 22 cm) 4: International C5 (16.2 × 22.9 cm) 5: Executive (7-1/4 ×...
Page 594 2LK/2LN/2LM/2LC Factory Item FRPO Setting values setting Character spacing * Characters per inch (integer value) Characters per inch (decimal value) Country code 0: US-ASCII 1: France 2: Germany 3: UK 4: Denmark 5: Sweden 6: Italy 7: Spain 8: Japan 9: US Legal 10: IBM PC-850 (Multilingual) 11: IBM PC-860 (Portuguese)
Page 595 2LK/2LN/2LM/2LC Factory Item FRPO Setting values setting Paper type for the MP tray 1: Plain 2: Transparency 3: Preprinted 4: Label 5: Bond 6: Recycle 7: Vellum 9: Letterhead 10: Color 11: Prepunched 12: Envelope 13: Cardstock 14: Coated 16: Thick 17: High quality 21 to 28: Custom1 to 8 Paper type for cassettes 1 and 2...
Page 596 2LK/2LN/2LM/2LC Factory Item FRPO Setting values setting Duplex operation for specified 0: Off paper type 1: On (Prepunched, Preprintedand Let- terhead) Default operation for PDF direct 0: Enlarges or reduces the image to fit in the printing current paper size. Loads paper from the current paper cassette.
Page 597 2LK/2LN/2LM/2LC This page is intentionally left blank. 2-4-10...
Page 598 2LK/2LN/2LM/2LC (4) Chart of image adjustment procedures Maintenance mode Adjusting Item Image Description Original Page Remarks order Item No. Mode Adjusting the magnification in the Data processing U039 Horizon U039 test pattern P.1-3-39 main scanning direction (printing adjustment) Adjusting the magnification in the Data processing U039 Vertical...
Page 599 2LK/2LN/2LM/2LC Maintenance mode Adjusting Item Image Description Original Page Remarks order Item No. Mode Adjusting magnification of the Original scanning speed U065 X Scan Zoom Test chart P.1-3-51 U065: For copying an original placed on scanner in the auxiliary scanning the platen.
Page 600 2LK/2LN/2LM/2LC (5) Wiring diagram No.1 (30 ppm model/35 ppm model/45 ppm model/55 ppm model) YC18 DF _ CLK DF _ SDO DF _ SEL DF _ SDI DF _ RDY DF _ DET BRES Vout Relay YC20 BRECSW DFEPWB EXIT _ SENS From PSPWB (3) EXIT _ COV _ OPEN EXIT _ SOL _ RET...
Page 601 2LK/2LN/2LM/2LC No.2 (30 ppm model) YC11 SGND SGND SGND SGND PDPWB-C PDPWB-K MSET _ N SGND IDD _ CS _ Y EEPROM _ CS _ Y IDD _ CS _ C EEPROM _ CS _ C IDD _ CS _ M APCPWB-K APCPWB-C EEPROM _ CS _ M...
Page 602 2LK/2LN/2LM/2LC No.2 (35 ppm model/45 ppm model/55 ppm model) YC11 SGND SGND SGND SGND BD Bk BD Bk LSU _ TH Bk LSU _ TH Bk SGND SGND YC10 PDPWB-K PALA _ SIG P3 _ 2Bk PALA _ SIG P3 _ 2Bk LDD _ CS 2 Bk LDD _ CS 2 Bk SGND...
Page 603 2LK/2LN/2LM/2LC No.3 (30 ppm model/35 ppm model/45 ppm model/55 ppm model) YC16 Developer unit K +3.3V 3.3V1 I2C _ SDA TPD _ TEMP _ BK TPD_TEMP OTEMS1 DLP _ VCONT _ BK _ 1 DLP_VCONT I2C _ SCL TPD _ BK _ 1 TPD_1 TN _ CLK _ BK TN_CLK...
Page 604 2LK/2LN/2LM/2LC No.4 (30 ppm model/35 ppm model/45 ppm model/55 ppm model) YC26 Fuser unit FSR _ BLT _ PLS Vout FUBLS FSR _ RLS _ SENS Vout FURS FSR _ SIZE _ SENS FUES Relay Vout FSR _ RLS _ DR _ CW Relay FURM FSR _ RLS _ DR _ CCW...
Page 605 2LK/2LN/2LM/2LC No.5 (30 ppm model/35 ppm model) JOB _ SET JOB _ SET Fuser drive unit YC10 JOB _ MOT _ REM JOB _ MOT _ REM JOB _ MOT _ CLK JOB _ MOT _ CLK M _ TEMP JOB _ MOT _ DIR JOB _ MOT _ DIR JOB _ OPEN _ SENS...
Page 606 2LK/2LN/2LM/2LC No.5 (45 ppm model/55 ppm model) JOB _ SET JOB _ SET Fuser drive unit YC10 JOB _ MOT _ REM JOB _ MOT _ REM JOB _ MOT _ CLK JOB _ MOT _ CLK M _ TEMP JOB _ MOT _ DIR JOB _ MOT _ DIR JOB _ OPEN _ SENS...
Page 607 2LK/2LN/2LM/2LC No.6 (30 ppm model/35 ppm model) YC16 DU1 _ B/ DU1 _ A/ DU1 _ B DU1 _ A FPWB1 EDGE _ FAN _ REM Relay FUFM1 24V2 EDGE _ FAN _ REM FUFM2 Relay 24V2 YC23 YC13 3.3V 3.3V LOOP _ SENS LOOP _ SENS...
Page 608 2LK/2LN/2LM/2LC No.6 (45 ppm model/55 ppm model) YC16 DU1 _ B/ DU1 _ A/ DUM1 DU1 _ B DU1 _ A FPWB1 EDGE _ FAN _ REM Relay FUFM1 24V2 EDGE _ FAN _ REM FUFM2 Relay 24V2 YC23 YC13 3.3V 3.3V LOOP _ SENS...
Page 609 2LK/2LN/2LM/2LC No.7 (30 ppm model/35 ppm model) Middle guide unit YC12 YC11 MID _ B/ MID _ A/ +24V2 +24V2 MID _ B +24V2 +24V2 MID _ A YC13 BEND _ SENS From CRPWB CURRENT _ SIG FEED1 _ SENS Vout REG _ SENS Vout...
Page 610 2LK/2LN/2LM/2LC No.7 (45 ppm model/55 ppm model) Middle guide unit YC12 YC11 MID _ B/ MID _ A/ +24V2 +24V2 MID _ B +24V2 +24V2 MID _ A YC13 BEND _ SENS From CRPWB CURRENT _ SIG FEED1 _ SENS Vout REG _ SENS Vout...
Page 611 2LK/2LN/2LM/2LC No.8 (30 ppm model/35 ppm model) DRM _ C _ BRAKE DRM _ C _ GAIN +24V +24V1 DRM _ C _ CW/CCW ICL _ MOT _ REM START/STOP DRM _ C _ LD TRCM ICL _ MOT _ CLK DRM _ C _ CLK CLOCK ICL _ MOT _ RDY...
Page 612 2LK/2LN/2LM/2LC No.8 (45 ppm model/55 ppm model) DRM _ C _ BRAKE DRM-C DRM _ C _ GAIN +24V +24V1 DRM _ C _ CW/CCW CW/CCW ICL _ MOT _ REM START/STOP DRM _ C _ LD TRCM ICL _ MOT _ CLK DRM _ C _ CLK CLOCK CLOCK...
Page 613 2LK/2LN/2LM/2LC No.9 (30 ppm model/35 ppm model) YC15 +24V1 PCUSW #250 YC17 +24V2 LIVE IN From Inlet To FPWB2 #250 HVPWB2 CURRENT _ MONI LIVE OUT YC16 CRPWB +24V2 +24V2 YC14 POWER _ OFF POWER _ OFF DRM _ HEAT _ REM DRM _ HEAT _ REM YC10 FSR _ RELAY _ REM...
Page 614 2LK/2LN/2LM/2LC No.9 (45 ppm model/55 ppm model) YC15 +24V1 PCUSW #250 YC17 +24V2 LIVE IN From Inlet To FPWB2 #250 HVPWB2 CURRENT _ MONI LIVE OUT YC16 CRPWB +24V2 +24V2 YC17 POWER _ OFF POWER _ OFF DRM _ HEAT _ REM DRM _ HEAT _ REM YC13 FSR _ RELAY _ REM...
Page 615 2LK/2LN/2LM/2LC No.10 (30 ppm model/35 ppm model) MPWB GND(AFE _ SHP) GND(AFE _ SHP) CLPIN CLPIN YC25 GND(AFE _ SHD) GND(AFE _ SHD) AFE _ MCLK MCLK HTPDN HTPDN CCDSEL CCDSEL LOCKN LOCKN DIS _ CISCKN TXCLK1P TX0N TX0N YC10 DIS _ CISCKP TXCLK1N TX0P...
Page 616 2LK/2LN/2LM/2LC No.10 (45 ppm model/55 ppm model) MPWB GND(AFE _ SHP) GND(AFE _ SHP) CLPIN CLPIN YC25 GND(AFE _ SHD) GND(AFE _ SHD) AFE _ MCLK MCLK HTPDN HTPDN CCDSEL CCDSEL LOCKN LOCKN DIS _ CISCKN TXCLK1P TX0N TX0N YC10 DIS _ CISCKP TXCLK1N TX0P...
Page 617 2LK/2LN/2LM/2LC No.11 (30 ppm model/35 ppm model/45 ppm model/55 ppm model) SGND SGND SGND SGND KMDET KMDET PHS TXD SGND SGND KMDREQ KMDREQ SGND SGND SGND SGND KMACK KMACK PHS DTR KMRXD KMRXD 5V OUT R0(LSB) R0(LSB) SGND SGND PHS RTS KMTXD KMTXD N.C.
Page 618 2LK/2LN/2LM/2LC No.12 (30 ppm model/35 ppm model/45 ppm model/55 ppm model) FCPWB VBUS1 VBUS USB _ DN1 USB _ DN VBUS1 VBUS1 USB _ DP1 USB _ DP USB _ DN1 USB _ DN1 USB _ DP1 USB _ DP1 AUDIO1 AUDIO1 WAKEUP1...
Page 619 1-1 INSTALLATION GUIDE INSTALLATION GUIDE FOR DOCUMENT PROCESSOR...
Page 620 Fixing fitting (width: 45 mm) ......1 M3 × 8 screw BLACK ......... 1 English Angle control fitting..........1 Label “Operation procedure” ........Supplied parts *: for metric specification DP cable cover............. 1 **: for inch specification DP ................ 1 Pin ................
Page 621 Precautions Procedure Attach the fixing fitting. (DP-770) Be sure to remove any tape and/or cushioning When installing the DP, be sure to turn the MFP 1.Align projections (1) of each fixing fitting (C) material from supplied parts. power off and disconnect the power plug from with holes (2) on the MFP and insert the fix- The illustrations of the DP in the Installation the wall outlet.
Page 622 C (C*) C (C*) Attach the fixing fitting. (DP-771) Install the DP. 5.Install DP (A) onto the MFP securely with pin 1.Align the projections (1) on the right fixing fit- 3.Align hinge hole (3) of DP (A) with pin (4) of (F) and two M4 ×...
Page 623 Install the angle control fitting. To adjust DP open-close angle 30 degrees 9.Remove stop ring (11) of angle control fitting To adjust DP open-close angle 60 degrees 7.Open the upper cover (6) of the DP (A). (D) that has been installed in step 6 to 6.Install angle control fitting (D) at the rear side 8.Remove the 3 TP screws (7) and the screw remove shaft (12).
Page 624 10.Insert shaft (12) into the rear side of the right Connect the DP signal line (DP-770 only) 14.Remove the DP cable connection cap (15) hinge. For the DP-771, proceed to step 13 on page 7. from the DP cable connection cover (14). 11.Attach stop ring (11) to the notch of shaft 13.Remove the screw (13) and remove the DP (12) and secure shaft (12).
Page 625 15.Pass the DP signal line (16) through the 16.Plug the DP signal line connector (17) into 17.Attach the DP cable cover (E) to the DP right-hand hole in the DP cable cover (E) the connector (18) on the ISC PWB. cable connection cover (14) and install the and then pass the DP signal line (16) DP cable connection cover (14) using the...
Page 626 Connect the DP signal line (DP-771 only) 14.Remove the DP cable connection cap (22) from the DP cable connection cover (21). 13.Remove the 8 screws (19) and remove the upper rear cover (20) of the MFP. Raccorder le circuit de transmission (DP-771 14.Déposer le chapeau de la connexion du uniquement) câble du DP (22) du couvercle de la connex-...
Page 627 15.Pass the DP signal line (23) through the right-hand hole in the DP cable cover (E). Then pass the 16.Install the DP cable cover (E) and DP cable red CIS data line (24) through the left-hand hole. connection cover (21). NOTICE Pass the DP signal line (23) and CIS data line (24) through the same hole could result in abnor- mal images.
Page 628 17.Plug the DP signal line connector (23) into Installing the DP relay PWB 19.Secure the DP relay PWB (M) with two the connector (25) on the ISC PWB. 18.Connect connector (26) on the DP relay M3 x 8 screws (N). PWB (M) to connector (27) on the MFP.
Page 629 20.Plug the CIS data line (24) into the connec- Fasten the original mat. tor (28) on the DP relay PWB (M). 22.Place original mat (B) with its Velcro (29) upward over the contact glass. 21.Replace the upper rear cover (20) of the Align original mat (B) corner that has 90 degrees of angle with the inner left corner of the MFP using the 8 screws (19).
Page 630 Installing the hinge cover (DP-771 only) 25.Install the right hinge cover (I) using the M3 For the DP-770, proceed to step 26 on page 12. × 8 screw BLACK (J). 24.Install the left hinge cover (H). Installation des couvercles de charnière 25.Installer le couvercle de la charnière droite (DP-771 uniquement) (l) à...
Page 631 Adhere the label 27.Adhere Label “Operation procedure” (K) of 28.Adhere Caution label “Original face up!” (L) 26.Clean the label on the original table with which the language corresponding to the of which the language corresponding to the alcohol. destination of the MFP onto the existing destination of the MFP onto the label on the label on the original table.
Page 632 20mm 20mm 20mm 20mm [Operation check] 1.To check the machine operation, prepare original (a) where 4 lines (b) are drawn 20 mm from the edges of the A3 sheet and 1 line (c) is drawn at its center. 2.Connect the power plug of the MFP into the wall outlet and turn the main power switch on. 3.Set the original (a) on the DP and perform a test copy to check the operation and the copy example.
Page 633 20mm 20mm 20mm 20mm 4.Compare original (a) with the copy example. If the gap exceeds the reference value, perform the following adjustments according to the type of the gap. Check images of the DP after checking and adjusting images of the MFP. For details, see the service manual. NOTICE: If there is any image fogging, adjust the U068 DP scanning position.
Page 634 Be sure to adjust in the following order. If not, the adjustment cannot be performed correctly. For checking the angle of leading edge, see page 17. <Reference value> Simplex copying: within ±3.0 mm; Duplex copying: within ±4.0 mm For checking the angle of trailing edge, see page 20. <Reference value>...
Page 635 For checking the magnification, see page26. <Reference value> Within ±1.5% For checking the leading edge timing, see page 28. <Reference value> Within ±2.5 mm For checking the center line, see page 30. <Reference value> Simplex copying: within ±2.0 mm; Duplex copying: within ±3.0 mm Pour vérifier l’agrandissement, reportez-vous à...
Page 636 [Checking the angle of leading edge] 1.Check the horizontal gap between line (1) of original (a) and line (2) of copy example positions. If the gap exceeds the reference value, adjust the gap according to the following procedure. <Reference value> For single copying: The horizontal gap of line (2) should be within ±3.0 mm. For duplex copying: The horizontal gap of line (2) should be within ±4.0 mm.
Page 637 C (C*) C (C*) DP-770: Remove the angle control fitting (D). Loosen the 2 M4 × 14TP screws (G) on the left and right fixing fittings (C). DP-771: Remove the left hinge cover (H) and the angle control fitting (D). Loosen the 2 M4 × 14TP screws (G) on the left and right fixing fittings (C*) (C) 3.Turn adjusting screw (3) at the rear side of the right hinge to adjust the DP position.
Page 638 5.Repeat the steps above until the gap of line (2) of copy example shows the following reference values. <Reference value> For single copying: The horizontal gap of line (2) should be within ±3.0 mm. For duplex copying: The horizontal gap of line (2) should be within ±4.0 mm. 6.After adjustment is completed, retighten two M4 ×...
Page 639 3mm/4mm 3mm/4mm [Checking the angle of trailing edge] 1.Check the gap between line (1) of original (a) and line (2) of copy example. If the gap exceeds the reference value, perform the following adjustment. <Reference value> For simplex copying: Within ±3.0 mm For duplex copying: Within ±4.0 mm [Vérification de l’angle du bord arrière] 1.Vérifiez l’écart entre la ligne (1) de l’original (a) et la ligne (2) de l’exemple de copie.
Page 640 2.Open the upper cover (3) of the DP (A). 4.Adjust the height of DP. Amount of change per scale: Approx. 0.5 3.Remove the 3 TP screws (4) and the screw Loosen the nut (8). mm (10) (5), and remove the strap (6) from the rear For copy example (f): Loosen the adjusting Retighten the nut (8).
Page 641 3mm/4mm 3mm/4mm 7.Make a proof copy again. 8.Repeat steps 1 to 6 until line (2) of copy example shows the following the reference values. <Reference value> For simplex copying: Within ±3.0 mm For duplex copying: Within ±4.0 mm 7.Effectuez à nouveau une copie de test. 8.Répétez les étapes 1 à...
Page 642 [Automatic adjustment using the original for adjustment] 4.Set the original on the DP face down and press the Start key to carry If there is no DP auto adjustment origina out rear-side adjustment. 1.Set the maintenance mode U411, select DP Auto Adj and press the 5.If OK appears on the display, the adjustment is completed.
Page 643 149 1mm A(149 5mm) 74 1mm Using a DP auto adjustment original 3.If OK appears on the display, the adjustment is completed. 1.Direct F and R of the DP auto adjustment original upward, and set the If ERROR XX appears, the adjustment failed. Check the original set original from the place where F and R are marked position and repeat steps 1 and 2 until OK appears.
Page 644 149 1mm A(149 5mm) 74 1mm 4.After completing the surface adjustment, direct F and R of the DP auto 6.If OK appears on the display, the adjustment is completed. adjustment original downward and set the original by inserting the side If ERROR XX appears, the adjustment failed.
Page 645 -1.5% +1.5% [Checking the magnification] 2. Use the maintenance mode U070 to adjust the magnification. 1.Check the gap between line (1) of original (a) and line (2) (3) of copy Main Scan: Adjusts the scanner main-scan magnification example. If the gap exceeds the reference value, adjust the gap Sub Scan: Adjusts the scanner sub-scan magnificationSub according to the following procedure.
Page 646 -1.5% +1.5% 3. Adjust the values. 5. Repeat the steps 2 to 4 above until the gap of line (2) (3) of copy For the shorter length copy example (h)(j): Increases the value. example shows the reference value. For the longer length copy example (i)(k): Decreases the value. <Reference value>...
Page 647 2.5mm 2.5mm [Checking the leading edge timing] Use the maintenance mode U071 to adjust the timing. 1.Check the gap between line (1) on original (a) and line (2) of copy Front Head: Adjusts the leading edge timing (surface) example. If the gap exceeds the reference value, adjust the gap Front Tail: Adjusts the trailing edge timing (surface) according to the following procedure.
Page 648 2.5mm 2.5mm 3.Adjust the values. 5.Repeat the steps 2 to 4 above until the gap of line (2) of copy example For the faster leading edge timing, copy examples (l): Decreases the shows the reference value. value. <Reference value> For the slower leading edge timing, copy examples (m): Increases the Vertical gap of line (2): within ±2.5 mm value.
Page 649 2mm/3mm 2mm/3mm [Checking the center line] 2.Use the maintenance mode U072 to adjust the timing. 1.Check the gap between center line (1) on original (a) and center line Front: Adjusts the center line (surface) (2) of copy example. If the gap exceeds the reference value, adjust the Back: Adjusts the center line (rear side) gap according to the following procedure.
Page 650 2mm/3mm 2mm/3mm 3. Adjust the values. 5.Repeat the steps 2 to 4 above until the gap of line (2) of copy example If the center moves more front, copy example (n): Increases the value. shows the reference value. If the center moves inner, copy sample (o): Decreases the value. <Reference value>...
Page 651 INSTALLATION GUIDE FOR PAPER FEEDER...
Page 652 E. Clamp ............1 Be sure to remove any tape and/or cushioning English F. Wire cover..........1 material from supplied parts. Supplied parts G. Paper size plate ......... 2 A. Paper feeder..........1 H. S Tite screw M4 × 8 ........3 B.
Page 653 Procedure 1. Pull each cassette out and then remove the 3.Remove the lower paper cassette (3) from Be sure to turn the MFP main power switch off lift plate stopper (1) from each cassette and the MFP and disconnect the MFP power plug from the attach it to the storage location (2).
Page 654 5.Place the MFP (7) on the paper feeder (A) 6.Secure the MFP (7) to the paper feeder (A) 7.Pull out the lower paper cassette rail (8) in so that the pins (5) at the front left and front with the 2 pins (B). the MFP.
Page 655 10.Remove the screw (11) in the rear of the 11.Remove the screw (13) to remove the metal 12.Fit the hook (15) on the mounting plate (C) paper feeder and remove the cover (12). plate (14). into the opening (16) and then align the 2 positioning projections.
Page 656 18 20 14.Pass the power cord (17) through the edging 15.Connect the power cord (21) and the signal 17.Open the lower right cover (25) on the MFP. (small) (18) and the signal cable (19) cable (22) to connectors (23) (24) respec- Remove the strap (26) from the shaft (27) through the edging (large) (20) and then tively on the MFP.
Page 657 18.Open the paper feeder right cover (28). 19.Fit the 3 hooks (29) on the intermediate paper conveying unit (D) into the 3 holes (30) in the guide. 20.Secure the intermediate paper conveying unit (D) with the 2 screws (H). 18.Ouvrir le couvercle droit du bureau papier 19.Insérer les 3 crochets (29) de l'unité...
Page 658 21.Connect the intermediate paper conveying 23.Insert the projection (32) on the wire cover 25.Turn the adjusters on each corner (34) until unit connector (31). (F) into the hole (33) in the paper feeder and they reach the floor and then secure the 22.Attach the clamp (E) and secure the connec- install the wire cover (F).
Page 659 Setting the paper size plate and media type Skewed paper feed adjustment plate 1.Connect the MFP power plug to the wall outlet and turn the MFP main power switch on. Fold the plates in half and insert them into the 2.Load paper into the cassette and make a test copy to check the image.
Page 660 4.Pull out the cassette (35) in the paper feeder and loosen the 4 screws (36). 5.Turn the adjusting screw (37) to adjust the cursor skew. 6.Retighten the 4 screws (36). 7.Make another test copy to check the image. 4.Sortir le tiroir (35) du bureau papier et desserrer les 4 vis (36). 5.Faire tourner la vis de réglage (37) pour régler la déviation du curseur.
Page 661 Adjusting the leading edge timing The reference value for the leading edge timing is 20 ±1.5 mm at position (b) in the correct image (a). If the timing is outside this range, perform the fol- lowing adjustment. 1.Set maintenance mode U034, select LSU Out Left and Cassette(L) 2.Adjust the values.
Page 662 Adjusting the center line The reference value for the center line is ±0.5 mm or less at position (f) in the correct image (e). If the center line position is outside this range, perform the following adjustment. 1.Set maintenance mode U034, select LSU Out Left and Cassette3 or Cassette4. 2.Adjust the values.
Page 663 INSTALLATION GUIDE FOR LARGE CAPACITY FEEDER...
Page 664 E. Clamp ............1 Be sure to remove any tape and/or cushioning English F. Wire cover..........1 material from supplied parts. Supplied parts G. Paper size plate ......... 2 A. Paper feeder..........1 H. S Tite screw M4 × 8 ........3 B.
Page 665 Procedure 1.Pull out the right cassette (1) and left cas- 3.Remove the lower paper cassette (4) from Be sure to turn the MFP main power switch off sette (2), remove each of the lift plate stop- the MFP and disconnect the MFP power plug from the pers (3) and attach them in the storage 4.Remove the pin (5) and remove the lower wall outlet before starting to install the paper...
Page 666 5.Place the MFP (8) on the paper feeder (A) 6.Secure the MFP (8) to the paper feeder (A) 7.Pull out the lower paper cassette rail (9) in so that the pins (6) at the front left and front with the 2 pins (B). the MFP.
Page 667 10.Remove the screw (12) in the rear of the 11.Remove the screw (14) to remove the metal 12.Fit the hook (16) on the mounting plate (C) paper feeder and remove the cover (13). plate (15). into the opening (17) and then align the 2 positioning projections.
Page 668 19 21 14.Pass the power cord (18) through the edging 15.Connect the power cord (22) and the signal 17.Open the lower right cover (26) on the MFP. (small) (19) and the signal cable (20) cable (23) to connectors (24) (25) respec- Remove the strap (27) from the shaft (28) through the edging (large) (21) and then tively on the MFP.
Page 669 18.Open the paper feeder right cover (29). 19.Fit the 3 hooks (30) on the intermediate paper conveying unit (D) into the 3 holes (31) in the guide. 20.Secure the intermediate paper conveying unit (D) with the 2 screws (H). 18.Ouvrir le couvercle droit du bureau papier 19.Insérer les 3 crochets (30) de l'unité...
Page 670 21.Connect the intermediate paper conveying 23.Insert the projection (33) on the wire cover 25.Turn the adjusters on each corner (35) until unit connector (32). (F) into the hole (34) in the paper feeder and they reach the floor and then secure the 22.Attach the clamp (E) and secure the connec- install the wire cover (F).
Page 671 Setting the paper size plate and media type Changing paper size (metric specifications 1.Pull out the cassette of the paper feeder. plate only) 2.Turn the front lock lever (36) 90° and remove Fold the plates in half and insert them into the At shipment, Letter is set for inch models and A4 the front deck cursor (37).
Page 672 Letter Letter 3.Move the front deck cursor (37) so that it is aligned with the size indicators on the top (39) and 6.Release the hook (41) and remove the deck bottom (38) of the cassette. trailing edge cursor (42). 4.Turn the front lock lever (36) 90° to lock it. 5.Move the rear deck cursor (40) in the same way.
Page 673 0.5 1.5mm 7.Lift up the sub-cursor (43). Adjusting the cursor width 8.Align with the size indicator (44), engage the 1.Load paper in the cassettes. hook (45) and install the deck trailing edge 2.If the gap between the front deck cursor (37) and the paper (46) is outside the 0.5 to 1.5 mm cursor (42).
Page 674 3.Insert a Philips-head screwdriver into the 2 long slots (47) in the front deck cursor (37) and loosen 4.Retighten the 2 adjusting screws (48). the 2 adjusting screws (48). Then move the front deck cursor (37). 5.Check that the gap between the front deck cursor (37) and the paper is between 0.5 and 1.5 mm.
Page 675 Adjusting the leading edge timing The reference value for the leading edge timing is 20 ±1.5 mm at position (b) in the correct image (a). If the timing is outside this range, perform the fol- lowing adjustment. 1.Set maintenance mode U034, select LSU Out Left and Cassette(L) 2.Adjust the values.
Page 676 Adjusting the center line The reference value for the center line is ±0.5 mm or less at position (f) in the correct image (e). If the center line position is outside this range, perform the following adjustment. 1.Set maintenance mode U034, select LSU Out Left and Cassette3 or Cassette4. 2.Adjust the values.
Page 677 INSTALLATION GUIDE FOR 1000-SHEETS FINISHER...
Page 678 E. Connecting plate........1 Be sure to remove any tape and/or cushioning English F. Wire guide..........1 material from supplied parts. Supplied parts G. Eject guide ..........1 A. Document finisher........1 H. Staple cartridge.......... 1 B. Eject tray............ 1 I.
Page 679 NOTICE Procedure 1.Install by inserting the 2 hooks (1) on the The Attachment Kit (AK-730) must be installed Before installing the document finisher, make back of the eject tray (B) into the holes (2) in before the document finisher is installed. sure that the MFP’s main power switch is turned the document finisher (A) lift.
Page 680 2.Secure the upper earth plate (C) and lower 3.Install the eject guide (G) by fitting the 2 4.Attach the connecting plate (E) to the MFP earth plate (D) with M4 × 8 screws (I). eject guide pins (3) into the holes in the MFP. using 2 M4 ×...
Page 681 5.Remove the tape and remove the rear cover 6.Remove the screw (5) and pull the lock 7.Insert the 2 pins (8) on the connecting plate (4). frame (6) outwards. (E) into the document finisher connecting The connecting holes (7) can now be seen. holes (7) to connect the document finisher to the MFP.
Page 682 8.Push the lock frame (6) in fully so that the 10.Install the wire guide (F) using the M4 × 8 11.Pass the signal line (9) through the wire lock frame ribs fit into the pin slots. screw (I). guide (F) and connect it to the connector 9.Secure the lock frame (6) using the screw (10) on the MFP.
Page 683 12.Install the back cover (4) using the M4 × 10 13.Install the interface cover (11)* on the MFP. 14.Open the document finisher front cover (12) screw (K). * The cover removed while installing the AK- and install the staple cartridge (H). 730.
Page 684 Adjusting the height Compliant: The diameter (a) of the pin (8) is within the height range (b) of the curved section (13). 1.Check that the respective heights of the pins Non-compliant: The diameter (a) of the pin (8) is extends beyond the height range (b) of the curved (8) on the connecting plate installed on the section (13).
Page 685 2.Remove each of the screws (14) and 3.Remove the screw (17) to remove the span- remove the front foot cover (15) and rear ner (18). foot cover (16). 4.Loosen the 2 screws (19) on the front right and on the rear right of the document fin- isher.
Page 686 5.Turn the adjustment bolts (20) with the spanner (18) to adjust the height of the document finisher. 7.If the distances between the document fin- Turning the adjustment bolt clockwise lifts the document finisher, and turning it counterclockwise isher and the MFP (21, 22) are unequal, use lowers the document finisher.
Page 687 8.Loosen the 2 screws (23) on the front left 9.Turn the adjustment bolts (24) with a Philips-head screwdriver to adjust the height of the docu- and on the rear left of the document finisher. ment finisher. Turning the adjustment bolt clockwise lifts the document finisher, and turning it counterclockwise lowers the document finisher.
Page 688 78.5mm±2.5 158mm±2.5 Adjusting the stapling position 1.Connect the MFP power plug to the wall outlet and turn the MFP main power switch on. 2.Make a test copy using staple mode (double stapled). 3.Check whether the stapling position is off-center. If the staple position is off-center, follow the procedure below to adjust the position. <Reference value>...
Page 689 4.Set maintenance mode U246, select Finisher and Staple HP. 7.Repeat steps 4 to 6 until the staple position is within the reference 5.Adjust the values. value. If the paper is stapled too close to the front of the machine (a): Increase <Reference value>...
Page 690 INSTALLATION GUIDE FOR ATTACHMENT KIT...
Page 691 E. Rear left stay..........1 English F. Left scanner cover ........1 Supplied parts G. Front left stay ..........1 A. Drive unit ........... 1 H. Eject unit ............ 1 B. Paper entry unit ......... 1 I. Wire stopper ..........1 C.
Page 692 L. Left cover ........... 1 Be sure to remove any tape and/or cushioning Before installing the AK-730, make sure that the M. Upper left cover ......... 1 material from supplied parts. MFP’s main power switch is turned off and that N.
Page 693 Procedure 2.Push in the top and bottom hooks (3) and 3.Remove the 2 screws (5) inside the interface 1.Remove the 2 screws (2) in the left ISU open the interface cover (4). cover (4) and remove the left scanner cover cover (1).
Page 694 4.Open the front cover (7) on the MFP. 7.Remove the screw (11) from the fan cover 9.Remove the eject cover (15). 5.Pull out the paper conveyor cover (8). (10). * Pull the lower front side to the left before 6.If the operation panel (9) is lowered, raise it 8.Remove the screw (12) and pull the upper removing the cover.
Page 695 10.Remove the 2 M4 × 10 screws (16) and 11.Insert the hook (19) on the upper side of the drive unit (A) and the projection (20) on the under- remove the rear tray cover (17) and scanner side into the respective positioning holes (21) (22) in the back plate and secure the drive unit bottom cover (18).
Page 696 12.Insert the projection (23) on the paper entry unit (B) into the hole (24) in the drive unit (A) and 13.Attach the edging (D) to the side plate, run insert the projection (25) into the hole (26) in the MFP frame to attach the paper entry unit (B). the cable from the drive unit (A) through the Push the paper entry unit (B) to the right and fit the projection (25) into the hole (26) until it clicks edging (D) and secure it in place.
Page 697 14.Insert the 2 projections (28) on the rear left 15.Insert the clamped binding band (30) 16.Insert the hook (32) on the left scanner cover stay (E) into the holes (29) in the side plate attached to the cable from the drive unit (A) (F) into the hole in the side plate and secure and secure the rear left stay (E) with the M4 into the hole, run the cable through the 2...
Page 698 17.Insert the 2 projections (33) on the front left stay (G) into the holes in the left cover on the MFP and temporarily fasten the front left stay (G) in place with the 2 M4 × 20 screws (P). 17.Insérer les 2 projections (33) du support avant gauche (G) dans les trous du couver- cle gauche du MFP et fixer provisoirement le support avant gauche (G) à...
Page 699 18.Position the eject unit (H) so that its rail section (34) is inside the MFP, insert the projection (35) on the rear into the hole in the side plate and then place the front end onto the plate section (37) on the front left stay (G). NOTICE When installing the eject unit (H), take care not to pinch the drive unit cable (36).
Page 700 21.Plug the 3 connectors (38) into the eject unit 23.Position the upper front cover (J) so that the screw housing (39) is not touching the front left stay (H) and MFP. (G) and align the projections (40) with the 2 holes on the right side of the upper front cover (J) 22.Secure the cables with the 2 wire stoppers before attaching the upper front cover (J) and securing it in place with the M4 ×...
Page 701 24.Install the front right cover (14) using the 25.Fit the paper entry unit cover (C) onto the 26.Insert the 2 projections (41) on the left con- screw (12) removed in step 8. paper entry unit (B). nection cover (K) into the holes in the front Secure the fan cover (10) using the screw left stay (G) and secure the cover with the 2 (11) removed in step 7.
Page 702 27.Remove the interface cover (42). 29.Open the eject cover (43). 31.Attach the lower connection cover (R) with * After installing the document finisher, re- 30.Attach the upper left cover (M) and close the the 2 M4 × 20 screws (P). attach the interface cover (42).
Page 703 32.Pull the 2 slide rails (44) out from inside the 34.Move the slide rails (44) backwards and secure the paper conveying unit (N) to the 4 hooks (45). MFP. Check that the hooks are securely engaged through the opening (46). 33.Align the 4 hooks (45) on the slide rails (44) 35.Lift the rear right side of the paper conveying unit (N) slightly while pushing it firmly in as far as it with the notched sections of the paper con-...
Page 704 INSTALLATION GUIDE FOR HOLE PUNCH UNIT...
Page 705 E. Spring............1 Be sure to remove any tape and/or cushioning English F. Punch PWB ..........1 material from supplied parts. Supplied parts G. Waste hole punch box ....... 1 A. Punch guide..........1 H. M3 × 8 tap Tight S screw ......3 B.
Page 706 Procedure Removing the cover (DF-770) 2.Remove the 2 screws (3) and remove the Before installing the hole punch unit, make sure If installing on the DF-790, proceed to step 1 on upper rear cover (4). the MFP's main power switch is turned off and page 3.
Page 707 Removing the cover (DF-790) 2.Remove the 3 screws (7) and remove the Installing the hole punch unit 1.Remove the screw (5) and remove the small upper rear cover (8). 3.Remove the screw (9) and pull the guide rear cover (6). (10) outwards.
Page 708 4.Install the punch guide (A) so that the leading edge of the guide (11) is below the document fin- 5.Insert the hole punch unit (B) into the docu- isher frame (12). ment finisher. 4.Monter le guide de la perforatrice (A) de sorte que le bord d'attaque du guide (11) se trouve sous 5.Insérer la perforatrice (B) dans le retoucheur le bâti du retoucheur de document (12).
Page 709 6.Raise the hole punch unit (B) slightly and fit the hook (13) on the motor unit (C) into the groove 7.Secure the motor unit (C) with the 2 screws (14) in the document finisher. At the same time, insert the rod (15) on the motor unit (C) into the (H).
Page 710 8.Fit the stop ring (D) over the motor unit rod 9.Run the hole punch unit wire (17) through (15) and fit the spring (E) between the hole the motor unit edging (18). punch unit and motor unit. 10.Plug the wire from the hole punch unit motor into the connector on the motor unit (19).
Page 711 Installing the punch PWB and waste hole punch box (DF-770) 13.Plug the 6 hole punch unit wires into the con- If installing on the DF-790, proceed to step 11 on page 9. nectors (25) on the punch PWB (F). 11.Fit the 2 hooks (20) in the punch PWB (F) into the cut (21) in the document finisher. At the same time, insert the projection (23) on the document finisher into the hole (22) in the punch PWB (F).
Page 712 14.Plug the 2 punch PWB wires into the con- 16.Open the upper front cover (28) and insert 17.Attach the label (I) in the location shown in nectors (27) on the DF main PWB (26). the waste hole punch box (G). the figure.
Page 713 Installing the punch PWB and waste hole punch box (DF-790) 13.Plug the 6 hole punch unit wires into the con- 11.Fit the 2 hooks (29) in the punch PWB (F) into the cut (30) in the document finisher. At the same nectors (34) on the punch PWB (F).
Page 714 14.Plug the 2 punch PWB wires into the con- 16.Open the upper front cover (37) and insert 17.Attach the label (I) in the location shown in nectors (36) on the DF main PWB (35). the waste hole punch box (G). the figure.
Page 715 [Adjusting the hole punch position] Adjusting the hole punch entry registration 1.Connect the MFP power plug to the wall out- 1.Enter the maintenance mode U246, select Finisher and Punch Regist. let and turn the MFP main power switch on. 2.Adjust the values. 2.Make a test copy in punch mode.
Page 716 Adjusting the hole punch position feed 3.Press the Start key to confirm the setting value. 1.Enter the maintenance mode U246, select Finisher and Punch Feed. <Reference value (c)> 2.Adjust the values. Metric specification: 13 mm; Inch specification: 9.5 mm If the punch hole position is closer to the edge than the reference value (c): Increase the setting value.
Page 717 Centering the hole punch position 3.Press the Start key to confirm the setting value. 1.Enter the maintenance mode U246, select Finisher and Punch Width. <Reference value> 2.Adjust the values. Metric specification: d = 80 mm ± 0.5, e = 40 mm ± 2 If the punch hole is too close to the front of the machine: Decrease the Inch specification: d = 2.75 inch ±...
Page 718 [Swedish specification] 1.When using the hole punch unit of Swedish specification, enter the maintenance mode U234 and select Sweden. [Spécifications suédoises] 1.Lors de l’utilisation de la perforatrice avec les spécifications suédoises, entrer le mode d’entretien U234 et sélectionner Sweden. [Especificaciones suecas] 1.Cuando se utilice la perforadora con especificaciones suecas, entre en el modo de mantenimiento U234 y seleccione Sweden.
Page 719 NOTICE This accessory is for use only with the following Applicant's Listed Machine. Refer to the supplied guide to install the accessory in the field. Machine: DF-770, DF-790 AVIS Cet accessoire est utilisable uniquement avec le copieur figurant dans la liste du demandeur suivant. Se reporter au guide fourni pour installer l'accessoire dans le champ.
Page 720 INSTALLATION GUIDE FOR FAX System...
Page 721 English To install the FAX circuit board, see page 1. To install the FAX circuit board as Dual FAX, see page 17. References to medium-speed MFPs in this document denote 30/30, 35/35, 45/45 and 55/50 ppm color machines, and 35, 45 and 55 ppm monochrome machines. References to high-speed MFPs in this document denote 65/65 and 75/70 ppm color machines, and 65 and 80 ppm monochrome machines.
Page 722 Supplied parts D. Alphabet label ..........1 J. Memory DIMM (16 MB) ......1 A. FAX circuit board ........1 E. FAX operation section label ....... 1 B. Modular connector cable F. FAX key ............. 1 Option (120 V/Australian model only) G.
Page 723 Precautions Procedure 2.Install the memory DIMM (J) or the optional Be sure to remove any tape and/or cushioning Installing the memory DIMM memory DIMM (K) into the memory slot (3) material from supplied parts. 1.Remove 2 screws (1), and then remove the on the lower level (FLS).
Page 724 3.Replace the cover (2) using the 2 screws (1). Removing the slot cover 5.Remove 2 screws (6) and then remove the (medium-speed MFPs) OPT1 slot cover (5). 4.Open the cover (4). * Do not use OPT2. To install the FAX circuit board as Dual FAX, see page 17.
Page 725 Removing the slot cover (For high-speed 5.Remove 2 screws (6) and then remove the MFPs and when the finisher is installed) OPT1 slot cover (5). 4.Remove the cover (4). * Do not use OPT2. To install the FAX circuit board as Dual FAX, see page 17.
Page 726 Install the FAX circuit board. 6.Insert the FAX circuit board (A) along the groove in OPT1 and secure the board with two screws (6) that have been removed in step 5. Do not directly touch the FAX circuit board (A) terminal. Hold the top and bottom of the FAX circuit board, or the projection of the board to insert the FAX circuit board (A).
Page 727 Connect the MFP to the telephone line. For 100 V/120 V/Australian or Chinese models, 7.Plug the modular connector cable (8) into use the supplied modular connector cable (B). the line terminal, and then connect the other end to the telephone line. Connecter le MFP à...
Page 728 Connect the MFP to the separate phone (except for New Zealand model). If you don't connect the MFP to the separate 8.Plug the modular connector cable (9) into the telephone terminal, and then connect the other end phone, wipe the surface of the telephone termi- to the separate phone.
Page 729 Seal the terminal (for New Zealand model). Wiring the modular connector cable 11.Reinstall the covers (11). 9.Wipe the surface of the telephone terminal (High-speed MFPs only) with alcohol and adhere the terminal seal 10.Remove the covers (11) and run the modular (C).
Page 730 (Medium-speed MFPs) 12.Close the cover (4). (For high-speed MFPs and when the finisher is installed) 12.Reinstall the cover (4). (MFP à vitesse moyenne) 12.Fermer le couvercle (4). (Pour les MFP à grande vitesse quand le retoucheur est installé) 12.Reposer le couvercle (4). (MFP de velocidad media) 12.Cierre la cubierta (4).
Page 731 Installing the FAX key 13.Insert a flat-head screwdriver at the tip indicated by the arrows (12) as shown on the left, and slide the operation panel covers (13) (14) to remove them. Installation de la touche FAX 13.Insérer un tournevis à lame à l'endroit repéré par les flèches (12) comme illustré ci-contre à gauche et faire glisser les couvercles du panneau de com- mande (13) (14) pour les déposer.
Page 732 14.Remove the clear panel (15). 15.Remove the operation panel sheet (16). 16.Remove the FAX key section cover (17). 14.Déposer le panneau transparent (15). 15.Déposer la tôle du panneau de commande 16.Déposer le couvercle de la partie touche (16). FAX (17). 14.Quite el panel transparente (15).
Page 733 17.Install the FAX key (F). 18.Install the FAX key cover (G). 17.Installer la touche FAX (F). 18.Installer le couvercle de la touche FAX (G). 17.Instale la tecla de FAX (F). 18.Instale la cubierta de la tecla de FAX (G). 17.Die FAX-Taste (F) anbringen. 18.Die Abdeckung (G) der FAX-Taste anbrin- gen.
Page 734 Attach the alphabet labels (excluding 100 V models). Attach the FAX operation section label. 19.Wipe the area above the numeric keys on the operation panel sheet 20.Wipe the label surface shown in the figure of the operation panel sheet (16) with alcohol and attach the alphabet labels (D). (16) with alcohol and attach the FAX operation section label (E) of the In Asia and Oceania, use PQRS TUV WXYZ label, and do not use corresponding language.
Page 735 21.Attach the operation panel sheet (16). 22.Reinstall the clear panel (15). 23.Reinstall the operation panel covers (13) (14). 21.Fixer la tôle du panneau de commande (16). 22.Reposer le panneau transparent (15). 23.Reposer les couvercles du panneau de com- mande (13) (14). 21.Fije la hoja del panel de trabajo (16).
Page 736 Attach the PTT label (for China, 110 V models only). 24.Attach the PTT label (H) after wiping with alcohol. Fixer l’étiquette d’approbation (pour la Chine, modèles 110 V seulement). 24.Effectuer cette procédure pour les modèles Chine ou 110 V seulement. Coloque la etiqueta de aprobación (para China, solo para los modelos de 110 V).
Page 737 For Australian model For New Zealand model Attach the approval label (for Australian/New Zealand model only). When installing the optional Dual FAX (when 25.Attach the approval label (I) after wiping with alcohol. adding the FAX circuit board to OPT2), proceed Perform this procedure for Australian/New Zealand model only.
Page 738 Install the Dual FAX Removing the slot cover 2.Remove 2 screws (2) and then remove the Refer to page 1 for the supplied parts. (medium-speed MFPs) OPT2 slot cover (3). 1.Open the cover (1). Installer le FAX double. Dépose du couvercle de la fente 2.Déposer les 2 vis (2) puis le couvercle de la Pour plus de détails concernant les pièces (MFP à...
Page 739 Removing the slot cover (For high-speed 2.Remove 2 screws (2) and then remove the MFPs and when the finisher is installed) OPT2 slot cover (3). 1.Remove the cover (1). Dépose du couvercle de la fente (Pour les 2.Déposer les 2 vis (2) puis le couvercle de la MFP à...
Page 740 Install the FAX circuit board. 3.Insert the FAX circuit board (A) along the groove in OPT2 and secure the board with two screws (2) that have been removed in step 2. Do not directly touch the FAX circuit board (A) terminal. Hold the top and bottom of the FAX circuit board, or the projection of the board to insert the FAX circuit board (A).
Page 741 Seal the terminal. On 120 V models, be sure that it is not attached 4.Wipe the surface of the telephone terminal with alcohol and adhere the terminal seal (C). over the top of the approval label (5). The telephone terminal on the FAX circuit board installed to OPT2 is unavailable (invalid). Seal the terminal securely to prevent a user from connecting a separate phone.
Page 742 Connect the MFP to the telephone line. 5.Plug the modular connector cable (6) into the line terminal, and then connect the other end to the telephone line. For 100 V/120 V/Australian or Chinese models, use the supplied modular connector cable (B). Connecter le MFP à...
Page 743 Wiring the modular connector cable 7.Reinstall the covers (7). (Medium-speed MFPs) (High-speed MFPs only) 8.Close the cover (1). 6.Remove the covers (7) and run the modular connector cable as shown in the figure. (For high-speed MFPs and when the finisher is installed) 8.Reinstall the cover (1).
Page 744 Initialize the FAX circuit board. 3.If the FAX circuit board has been added to OPT2 (to initialize the FAX 1.Plug the MFP into a power outlet, and turn on the main power. circuit board in OPT2) Initialize OPT2 by pressing [PORT2], and the Start key in this order in 2.If the FAX circuit board has been installed only in OPT1 or installed the maintenance mode U698 and executing the maintenance mode both in OPT1 and OPT2 (to initialize all FAX circuit boards) Perform the...
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