Utax PF 730 Service Manual
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Utax PF 730 Service Manual

Utax PF 730 Service Manual

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Service
Manual
Paper Feeder
PF 730B
Rev.: 4.0
Date: 28-10-2013
3NJSM064

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Summary of Contents for Utax PF 730

  • Page 1 Service Manual Paper Feeder PF 730B Rev.: 4.0 Date: 28-10-2013 3NJSM064...
  • Page 2 Service Manual Paper Feeder PF 730B Rev.: 4.0 Date: 28-04-2013 3NJSM064...
  • Page 3 CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS. It may be illegal to dispose of this battery into the municipal waste stream. Check with your local solid waste officials for details in your area for proper disposal. ATTENTION IL Y A UN RISQUE D’EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE TYPE INCORRECT.
  • Page 4 Revision history Revision Date Replaced pages Remarks April 6, 2011 CONTENTS, 2-4-1 to 2-4-3 May 31, 2011 CONTENTS, 1-5-9, 1-5-10 June 27, 2011 1-1-1, 1-3-3, 1-3-16,1-3-17 October 10, 2013 COVER,CONTENTS,1-1-1,1-2-6 to 1-2-10,1-3-2, 1-3-5 to 1-3-30,1-4-1 to 1-4-19,1-5-2,1-5-5 to 1-5-8, 1-5-13,1-5-14,2-1-2,2-2-3,2-3-3,2-3-5,2-4-1,2-4-3...
  • Page 5 This page is intentionally left blank.
  • Page 6 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 7 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 8 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 9 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 10 • 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......................•...
  • Page 11 This page is intentionally left blank.
  • Page 12 3NJ-4 CONTENTS 1-1 Specifications 1-1-1 Specifications ........................1-1-1 1-1-2 Parts names .......................... 1-1-2 1-1-3 Machine cross section ......................1-1-3 1-2 Installation 1-2-1 Installation environment......................1-2-1 1-2-2 Unpacking..........................1-2-2 (1) Precaution for unpacking....................1-2-2 1-2-3 Unpacking..........................1-2-3 (1) Unpacking......................... 1-2-3 (2) Remove the tapes and pad ....................1-2-4 1-2-4 Installing the cassette heater (Option) ...................
  • Page 13 3NJ-4 2-2 Electrical Parts Layout 2-2-1 Electrical parts layout ......................2-2-1 (1) PWB and sensors......................2-2-1 (2) Motors and others......................2-2-3 2-3 Operation of the PWBs 2-3-1 PF main PWB ........................2-3-1 2-4 Appendixes 2-4-1 Appendixes ..........................2-4-1 (1) List of maintenance parts ....................2-4-1 (2) Periodic maintenance procedures ..................
  • Page 14 3NJ-4 1-1 Specifications 1-1-1 Specifications Feed & reverse roller method Paper Supply Method (No. Sheets: 500, 80 g/m , 2 cassettes/ No. Sheets: 550, 64 g/m , 2 cas- settes) A3, B4, A4, A4-R, B5, B5-R, A5-R, Ledger, Legal, Oficio II, 12 × 18", Letter, Paper Size Letter-R,Statement-R, Folio, 8K, 16K, 16K-R, 216 ×...
  • Page 15 1-1-2 Parts names Figure 1-1-1 1. PF paper conveying guide 4. PF paper size width guides 2. Cassette 3 5. PF paper size width adjusting tab 3. Cassette 4 6. PF paper size length guide 1-1-2...
  • Page 16 1-1-3 Machine cross section Paper path Figure 1-1-2 1-1-3...
  • Page 17 This page is intentionally left blank. 1-1-4...
  • Page 18 1-2 Installation 1-2-1 Installation environment Installation location (Be based on the machine establishment place.) Avoid direct sunlight or bright lighting. Ensure that the photo conductor will not be exposed to direct sunlight or other strong light when removing paper jams. Avoid locations subject to high temperature and high humidity or low temperature and low humidity;...
  • Page 19 1-2-2 Unpacking (1) Precaution for unpacking Hold the positions shown in the figure and remove the paper feeder from the outer case. Figure 1-2-1 1-2-2...
  • Page 20 1-2-3 Unpacking (1) Unpacking 18 19 20 22 23 24 Figure 1-2-2 Unpacking 1. Paper feeder 11. Installation guide 21. Plastic bag 2. Outer case 12. Accessory box 22. S tight screws M4 x 8B 3. Inner case 13. Plastic bag 23.
  • Page 21 (2) Remove the tapes and pad Procedure 1. Remove eleven tapes. Tapes Tapes Tapes Figure 1-2-3 2. Remove five tapes and then remove the Retainer Leaflet retainer and the leaflet. Tapes Tapes Figure 1-2-4 1-2-4...
  • Page 22 3. Pull the upper cassette forward. 4. Remove the tape. Tape 5. Remove the pad from cassette. Cassette Figure 1-2-5 6. Remove the lift plate stopper from cassette and attach it to the storage location. * : When moveing the machine,attach the lift plate in original position.
  • Page 23 3NJ-4 1-2-4 Installing the cassette heater (Option) Cassette heater installation requires the following parts: 120 V specifications Parts Quantity Part.No. Cassette heater set 303NF94130 Supplied parts of cassette heater set (303NF94130): Parts Quantity Part.No. Cassette heater 120V 302H794620 Wire saddle 7YZM610001++H01 Connector cover 303NF04140...
  • Page 24 3NJ-4 Procedure 1. Pull the cassette 3 forward. Cassette 3 Figure 1-2-7 2. Pull up the cassette. Cassette Cassette3 Figure 1-2-8 1-2-7...
  • Page 25 3NJ-4 3. Remove the cassette 4 in the same manner as above. Cassette4 Figure 1-2-9 4. Install three wire saddles on the bottom Wire saddle frame of the paper feeder. Wire saddle Wire saddle 5. Install the cassette heater by using two screws.
  • Page 26 3NJ-4 6. Connect the connector of the cassette heater to the connector in the rear frame of the paper feeder. 7. Pass through the wire of the cassette heater to three wire saddles. Wire saddles Wire saddle Connector Cassette heater Figure 1-2-11 8.
  • Page 27 3NJ-4 10. Adhere the caution label after wiping the bottom frame of this side of cassette heater with alcohol. Caution label Figure 1-2-13 1-2-10...
  • Page 28 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 29 3NJ-4 (2) Maintenance modes item list Section Item Content of maintenance item General U000 Outputting an own-status report U001 Exiting the maintenance mode U019 Firmware Version Drive, U034 Adjusting the print start timing paper feed LSU Out Top and paper LSU Out Left conveying system...
  • Page 30 3NJ-3 (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 31 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 32 3NJ-4 Item No. Description U000 Event log Event Log 2013/01/31 08:40 Firmware version 2N4_2000.000.000 2013.01.27 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] (12) Paper Jam Log Counter Log Count. Event Descriprions Date and Time J0000: J0041: C0000: 9999999 0501.01.08.01.01 2013/01/23 11:56 J0001: J0042: C0001: 8888888 4002.01.08.01.01...
  • Page 33 3NJ-4 Item No. Description U000 Detail of event log Items Description Controller BROM version Operation panel mask version Machine serial number Paper Jam Count. Event Descriptions 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 34 3NJ-4 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 35 3NJ-4 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 1-4-62) diagnostics error. If the self diagnostics the occurrence of error.
  • Page 36 3NJ-4 Item No. Description U000 Items Description (11) Unknown Toner Count. Item Remembers 1 to 5 The total page count Unknown toner log of occurrence of at the time of the code unknown toner toner empty error (1 byte, 2 categories) detection.
  • Page 37 3NJ-4 Item No. Description U000 Service status page (1) Service Status Page 2012/10/27 12:00 Firmware version 2N4_2000.000.000 2012.10.27 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] Controller Information (30) FAX Information Slot1/Slot2 (31) Rings (Normal) Memory status (32) Rings (FAX/TEL) Total Size 3.5 GB (33) Rings (TAD) (34) Option DIMM Size...
  • Page 38 3NJ-4 Item No. Description U000 Service status page (2) Service Status Page 2012/10/27 12:00 Firmware version 2N4_2000.000.000 2012.10.27 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] Engine Information Send Information (40) (44) NVRAM Version _1F31225_1F31225 Date and Time 10/10/27 (41) Scanner Version 2N4_1200.001.089 (45) Address (42) FAX Slot1 FAX BOOT Version...
  • Page 39 3NJ-4 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 40 3NJ-4 Item No. Description U000 Description Supplement (26) Average coverage for printer Black/Cyan/Magenta/Yellow (27) Average coverage for fax Black/Cyan/Magenta/Yellow (28) Cleared date and output date (29) Coverage on the final output page (30) Fax kit information This item is printed only when the fax kit is installed.
  • Page 41 3NJ-4 Item No. Description U000 Description Supplement (42) Fax firmware version This item is printed only when the fax kit is installed. (43) Mac address (44) The last sent date and time (45) Transmission address (46) Destination information (47) Area information (48) Margin settings Top margin/Left margin...
  • Page 42 3NJ-4 Item No. Description U000 Description Supplement (63) Job end detection mode (64) Prescribe environment reset 0: Off 1: On (65) Media type attributes Weight settings Fuser settings 1 to 28 (Not used: 18, 19, 20) 0: Light 0: High * : For details on settings, 1: Normal 1 1: Middle...
  • Page 43 3NJ-4 Item No. Description Description Supplement (88) Data Sanitization information (89) Toner low setting 0: Enabled 1: Disabled (90) Toner low detection level 0 to 100 (%) (91) Limiting shifting for one-page 0: Invalid (No shift limit) document 1: Valid (Shift limit) (92) Setting confirmation display for 0: Not shown...
  • Page 44 3NJ-4 Item No. Description U019 Firmware Version Description Displays the part number of the firmware fitted to each PWB. Purpose To check the part number or to decide, if the newest version of firmware is installed. Method 1. Press the start key. The firmware version are displayed. 2.
  • Page 45 3NJ-4 Item No. Description U019 Display Description SMT SSW Side multi tray multi feed sensor Side paper feeder / Side large capacity feeder firmware PF2 Boot Side paper feeder / Side large capacity feeder booting 1000-sheet finisher / 4000-sheet finisher firmware DF Boot 1000-sheet finisher / 4000-sheet finisher booting Punch unit firmware...
  • Page 46 3NJ-4 Item No. Description U034 Adjusting the print start timing Description Adjusts the leading edge registration or center line. Purpose Make the adjustment if there is a regular error between the leading edges of the copy image and original. Make the adjustment if there is a regular error between the center lines of the copy image and original.
  • Page 47 3NJ-4 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 48 3NJ-4 Item No. Description U034 5. Change the setting value using the cursor +/- or numeric keys. For output example 1, increase the value. For output example 2, decrease the value. Leading edge registration (20 ± 1.0 mm) Correct image Output Output example 1...
  • Page 49 3NJ-4 Item No. Description U034 5. Change the setting value using the +/- keys or numeric keys. For output example 1, increase the value. For output example 2, decrease the value. Center line of printing (within ± 2.0 mm) Correct image Output Output example 1...
  • Page 50 3NJ-4 Item No. Description U247 Setting the paper feed device Description Turn 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 51 3NJ-4 Item No. Description U247 Method: [LCF/Side LCF] 1. Press [Motor] or [Device] and select the item. Display Description Motor PF paper feed motor (PFPFM) is turned off PF paper feed motor (PFPFM) is turned on Clutch C1 Clutch PF paper conveying clutch 1 (PFPCCL1) is turned on C2 Clutch PF paper conveying clutch 2 (PFPCCL2) is turned on V Feed Clutch...
  • Page 52 3NJ-4 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 53 3NJ-4 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 the item to set.. Display Description Mode1 Setting On when the humidity is 65%.
  • Page 54 3NJ-4 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 55 3NJ-4 Item No. Description U901 Checking copy counts by paper feed locations Description Displays or clears paper feed counts by paper feed locations. Perform backup when the counters on the engine PWB and PF main PWB do not match. Purpose To check the time to replace consumable parts.
  • Page 56 3NJ-4 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 57 3NJ-4 Item No. Description U903 Detail of history of paper jams Maintenance Report 2013.01.17 08:17 Firmware version 2N4_2000.000.000 2012.11.17 [XXXXXXXX] [XXXXXXXX] [XXXXXXXX] Machine No.: SPXXX00001 Life Count : 001234 Paper Jam Log 2012.12.12 JAM0000 JAM0100 JAM0101 JAM0110 JAM0111 JAM0112 JAM0131 JAM0210 Figure 1-3-6 Description...
  • Page 58 3NJ-4 1-4 Troubleshooting 1-4-1 Paper mis feed detection (1) Paper mis feed 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 59 3NJ-4 N-14 E-11 C-04 O-07 E-12 O-13 C-05 O-08 C-02 Position code (displayed on the panel) Positions in the individual systems (See below.) Figure 1-4-2 Paper misfeed indication C. Misfeed in cassette 3 or 4 (option) E. Misfeed in paper conveying unit, paper conveying cover or PF paper conveying cover N.
  • Page 60 3NJ-4 (2) Paper misfeed detection condition Side multi tray J 13xx J 37xx SMMFS SMES J 15xx SMFS SMPCS3 SMPCS1 PFPCS2 J 21xx J 17xx J 36 xx PFPCS1 J 34xx PFPCS1 J 35xx J 05x3 J 05x6 SMPFM PFFS1 PFFS1 PFPS1 PFPS1...
  • Page 61 3NJ-4 (3) Paper mis feed detection condition Code Contents Conditions location* 0000 Initial jam The power is turned on when a sensor in the con- veying system is on. 0108 Waiting for option package to Option package won’t become ready. become ready 0503 No paper feed from cassette 3 PF feed sensor 1 (PFFS1) does not turn on dur-...
  • Page 62 3NJ-4 Code Contents Conditions location* 1503 Paper conveying sensor non Paper conveying sensor (PCS) does not turn on arrival jam during paper feed from cassette 3 . 1504 Paper conveying sensor (PCS) does not turn on during paper feed from cassette 4. 1513 Paper conveying sensor stay Paper conveying sensor (PCS) does not turn off...
  • Page 63 3NJ-4 Code Contents Conditions location* 3506 SMT paper conveying sensor SMT paper conveying sensor 2 (SMTPCS2) does 2 non arrival jam not turn on during paper feed from cassette 6. 3507 SMT paper conveying sensor 2 (SMTPCS2) does not turn on during paper feed from cassette 7. 3516 SMT paper conveying sensor SMT paper conveying sensor 2 (SMTPCS2) does...
  • Page 64 3NJ-4 1-4-2 Troubleshooting (1) First check items If the paper is fed askew, jammed, curled, or leading-edge dog-eared, first perform to check the following items. Check items Check description Corrective measures Paper 1. Check the paper delivered is If a dog-ear has happened, check there are no objects dog-eared, skewed, rumpled, existing in the conveying paths and, if any, fix.
  • Page 65 3NJ-4 Check items Check description Corrective measures Settings/ 1. Check if the margin is If the check line is not situated at 20mm±1mm from the Detection 4.0+1.5/-1.0mm from the leading edge, adjust the leading margin by U402. (see leading edge of paper. page 1-3-166) 2.
  • Page 66 3NJ-4 Check items Check description Corrective measures Conveying 3. Check that the paper Clean the conveying guide or the paper approaching guide, conveying guide has no guide.Remove any protrusions including barrs.If floated, fix it properly.If deformation or abrasion is observed, approaching barrs, deformations, or replace.
  • Page 67 3NJ-4 Check items Check description Corrective measures Sensor 1. Check if it does not operate Re-assemble the actuator or the return spring. with smoothness due to an abnormal move or dropping off of the actuator of the coveying switch. 2. Check that the surface of the If dirty, clean the sensor or the black felt piece.
  • Page 68 3NJ-4 1-4-3 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 69 3NJ-4 (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 Cassette lift base 1030 PF lift motor 1 error Check that the cassette base can be (paper feeder) elevating manipulated smoothly, if not, repair or...
  • Page 70 3NJ-4 Check procedures/ Code Contents Causes corrective measures Cassette lift base 1040 PF lift motor 2 error Check that the cassette base can be (paper feeder) elevating manipulated smoothly, if not, repair or After cassette 4 is inserted, replace. mechanism PF lift sensor 2 does not turn PF Lift motor 2 1.
  • Page 71 3NJ-4 Check procedures/ Code Contents Causes corrective measures Cassette lift base 1060 PF lift motor 1 error Check that the cassette base can be (side paper feeder) elevating manipulated smoothly, if not, repair or [45 ppm/55 ppm model] replace. mechanism After cassette 6 is inserted, PF Lift motor 1 1.
  • Page 72 3NJ-4 Check procedures/ Code Contents Causes corrective measures Cassette lift base 1070 PF lift motor 2 error Check that the cassette base can be (side paper feeder) elevating manipulated smoothly, if not, repair or [45 ppm/55 ppm model] replace. mechanism After cassette 7 is inserted, PF Lift motor2 1.
  • Page 73 3NJ-4 Check procedures/ Code Contents Causes corrective measures Paper feeder 1800 Paper feeder communica- Check the wiring connection status with the tion error main unit and, if necessary, try connecting it A communication error from again. paper feeder is detected 10 PF main PWB 1.
  • Page 74 3NJ-4 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. Defective connector Reinsert the connector.
  • Page 75 3NJ-4 Problem Causes Check procedures/corrective measures 1. Defective connector Reinsert the connector. Also check for continuity within the The message cable or poor con- connector cable. If none, replace the cable. requesting paper to tact in the connector. PF paper feed sensor 1 and PF main PWB (YC5) be loaded is shown PF paper feed sensor 2 and PF main PWB (YC4) when paper is...
  • Page 76 3NJ-4 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 paper feed. ers are dirty with paper powder.
  • Page 77 This page is intentionally left blank. 1-4-20...
  • Page 78 3NJ-2 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 handling PWBs (printed wiring boards), do not touch parts with bare hands.
  • Page 79 3NJ-4 1-5-2 Paper feed section (1) Detaching the PF primary paper feed unit Procedure 1. Open the PF paper conveying cover. 2. Remove the strap and then remove the PF paper conveying cover. Strap PF paper conveying cover PF paper conveying cover Figure 1-5-1 3.
  • Page 80 3NJ-2 4. Remove four screws and then remove the right cover. Screws Screw Screw Right cover Figure 1-5-3 5. Pull out the cassette 3 and cassette 4 completely. 6. Remove two screws and then remove Driving plate the driving plate. *: The driving plate may not be changed when only the lower unit is replaced.
  • Page 81 3NJ-2 7. Remove two connectors. Connector Connector Figure 1-5-5 8. Remove each two fixed screws of the PF primary PF primary paper feed unit. paper feed unit 9. Remove the PF primary units. Screws PF primary paper feed unit PF primary paper feed unit Figure 1-5-6 1-5-4...
  • Page 82 3NJ-4 10. Refit the PF primary paper feed unit. *: Align the pin at the far end vertical and insert it into the coupling to fit the unit. *: Connect both top and bottom connectors in the matching connectors. Top: white, Driving coupler bottom: blue PF primary...
  • Page 83 3NJ-4 (2) Detaching and refitting the forwarding pulley, paper feed pulley, separation pulley Procedure 1. Pull the cassette 3 completely. 2. Pull up the cassette. Cassette Cassette3 Figure 1-5-8 3. Remove the cassette 4 in the same manner as above. Cassette4 Figure 1-5-9 1-5-6...
  • Page 84 3NJ-4 4. Remove the hook and remove the for- warding pulley from the axle. 5. Remove the hook and remove the feed pulley from the axle. Hook Paper feed pulley Forwarding pulley Figure 1-5-10 6. Unhook the two hooks and then remove the cover.
  • Page 85 3NJ-4 7. Remove the hook and remove the sep- aration pulley from the axle. *: Confirm that the nipping between the feed roller and separation roller is released. 8. Clean or replace the forwarding pulley, Hook paper feed pulley and separation pulley. 9.
  • Page 86 3NJ-2 1-5-3 PWBs (1) Detaching and refitting the PF main PWB Procedure 1. Remove the wire cover. Wire cover Figure 1-5-13 2. Remove three screws and then remove the rear cover. Screw Screw Screw Rear cover Figure 1-5-14 1-5-9...
  • Page 87 3NJ-2 3. Remove all connectors from the PF main PWB. PF main PWB YC12 YC11 YC14 YC15 YC10 YC13 YC16 PF main PWB Figure 1-5-15 4. Remove each the holder in two position and remove the PF main PWB. 5. Check or replace the PF main PWB and refit all the removed parts.
  • Page 88 3NJ-2 1-5-4 Driving section (1) Detaching and refitting the PF Driving unit Procedure 1. Remove three screws and then remove the rear cover. (seeP.1-5-9) 2. Remove four screws and then remove the right cover. (seeP.1-5-3) PF lift motor 1 3. Remove each the connector. 4.
  • Page 89 3NJ-2 7. Remove four screws and then remove Screw the connector mount plate. Screws Screw Connector mount plate Figure 1-5-19 8. Remove three screws and then remove the PF driving unit while pulling the lower side. 9. Check or replace the lift motors and PF driving unit and refit all the removed parts.
  • Page 90 3NJ-4 1-5-5 Skewed paper feeding check/adjustment At the paper feed source which a sheet of wrinkled paper has caused, check how the paper is fed askew. Run U051 to reduce the curvature of paper at the regist roller and measure how the paper is fed askew. 1.
  • Page 91 3NJ-4 Screw Screw Paper width guide Cassette Paper width guide Screw Screw If the B-A is negative, If the B-A is positive, rotate clockwise rotate counter-clockwise. The skew feed Paper width guide adjustment screw Paper width guide Figure 1-5-22 1-5-14...
  • Page 92 2-1 Mechanical Construction 2-1-1 Mechanical construction The paper feeder feeds paper from either of its two cassettes to the machine. When paper is fed from cas- sette 4 of the paper feeder, the PF paper conveying clutch (PFPFCCL) is operated to rotate the conveying roller and pulley to carry the paper into the machine.

  • Page 93: Table Of Contents

    3NJ-4 VFDSW1 PFPCS1 YC4-12 VFD_U_CL PFPCCL1 YC15-1 EMPTY_U_SW YC5-13 PFPS1 PFFS1 LIMIT_U_SW YC5-16 PFLS1 PF_U_CL YC15-3 PFPFCL1 PFPCS2 OUT1B,OUT1A YC7-3,4 PFLM1 SIZE_U_SW4 VFD_L_CL YC3-9 PFPCCL2 YC15-7 PAP_U_SW1 PFPGS1(U) PFPWSW1 YC6-3 EMPTY_L_SW YC4-3 PFPS2 SIZE_U_SW1 PAP_U_SW2 YC3-18 PFPGS1(L) YC6-6 LIMIT_L_SW PFFS2 YC4-6 PFLS2 PFPLSW1...
  • Page 94 2-2 Electrical Parts Layout 2-2-1 Electrical parts layout (1) PWB and sensors Machine front Machine inside Machine rear Figure 2-2-1 PWB and sensors 1. PF main PWB (PFMPWB) ....Controls electrical parts. 2. PF paper conveying cover switch (PFPCCSW).......... Breaks the safety circuit when PF paper conveying cover is opened, and resets paper jam detection.
  • Page 95 14. PF paper size length switch 2 (PFPLSW2) ........... Detects the length of paper in cassette 4. 15. PF paper size width switch 1 (PFPWSW1).......... Detects the width of paper in cassette 3. 16. PF paper size width switch 2 (PFPWSW2)..........
  • Page 96 3NJ-4 (2) Motors and others Machine front Machine inside Machine rear Figure 2-2-2 Motor and others 1. PF paper feed motor (PFPFM) ..... Drives the paper feeder. 2. PF lift motor 1 (PFLM1)......Drives the cassette operation plate of cassette 3. 3.
  • Page 97 This page is intentionally left blank. 2-2-4...
  • Page 98 2-3 Operation of the PWBs 2-3-1 PF main PWB YC12 YC11 Figure 2-3-1 PF main PWB silk-screen diagram 2-3-1...

  • Page 99: Size_U_Sw4

    Connector Signal Voltage Description PAP_L_SW1_P 1.2 V DC 1.2 V DC power output to PFPGS2(U) Connected to Ground the PF paper PAP_L_SW1 0/3.3 V DC PFPGS2(U): On/Off gauge sensor PAP_L_SW2_P 1.2 V DC 1.2 V DC power output to PFPGS2(L) 2 upper, PF paper gauge sensor 2...

  • Page 100: Size_L_Sw1

    3NJ-4 Connector Signal Voltage Description Ground Connected to R_COVER_SW 0/3.3 V DC PFPCCSW: On/Off the PF paper VFDCL conveying 24V1 cover switch, PF paper con- VFDSW_PW 1.2 V DC 1.2 V DC power output to PFPCS2 veying sen- Ground sor 2, PF VFDSW 0/3.3 V DC PFPCS2: On/Off...
  • Page 101 Connector Signal Voltage Description Not used Connected to Ground the PF paper SIZE_L_SW4 0/3.3 V DC PFPWSW2: On/Off gauge sensor 1 upper, PF paper gauge sensor 1 lower, PF paper size length switch 2, PF paper size width switch 2. OUT2B 0/24 V DC(pulse) PFLM2 drive control signal Connected to...
  • Page 102 3NJ-4 Connector Signal Voltage Description YC14 Not used Connected to Not used the PF pickup Not used solenoid 2. Not used Not used 24V3 Not used FD_L_SOL_ACT Not used FD_L_SOL_KEP Not used YC15 VFD_U_CL 0/24 V DC PFPCCL1: On/Off Connected to 24V1 24 V DC 24 V DC power output to PFPCCL1...
  • Page 103 This page is intentionally left blank. 2-3-6...
  • Page 104 3NJ-4 2-4 Appendixes 2-4-1 Appendixes (1) List of maintenance parts Maintenance part name Alternative Part No. part No. Name used in service manual Name used in parts list PULLEY FEED 302N406030 2N406030 PF paper feed pulley 1 PF paper feed pulley 2 PULLEY RETARD 302N406040 2N406040...
  • Page 105 3NJ-1 (2) Periodic maintenance procedures Maintenance User Mainte- Section Points and cautions Page part/location call nance * Paper feed PF paper feed pulley 1 Check Check Clean with alcohol or a dry cloth. P.1-5-6 section Clean Replace Replace after feeding 150,000 sheets.

  • Page 106: Limit_L_Sw

    3NJ-4 (3) Wiring diagram YC13 ENG_SDO A4 PF_SDI ENG_SDI PF_SDO PFLM2 ENG_CLK PF_CLK ENG_SEL PF_SEL OUT2B ENG_RDY PF_RDY OUT2A ENG_PAU PF_PAUSE OUT1B DEK_OPN1 PF_CAS_SW1 PFLM1 OUT1A DEK_OPN2 PF_CAS_SW2 +3.3V2 +3.3V2 SLEEP 24[V] PAP_P_SW1_PW 24[V] PFPGS1(U) SD_1 SIDE_CLK YC11 PAP_U_SW1 SD_2 SIDE_SDO PAP_U_SW2_PW 24V1...
  • Page 107 1-1 INSTALLATION GUIDE INSTALLATION GUIDE FOR PAPER FEEDER...
  • Page 108 B(2) J(2) G(4) *G(6) K (M4x20)(4) I (12) H (M4x8)(3) *I (6) **I (2) E. Clamp ............1 I. Media type plate English F. Wire cover..........1 (except for above models)......12 Supplied parts G. Paper size plate ......... 4 J. Stopper ............2 A.
  • Page 109 Procedure 1. Pull each cassette out from the paper 3.Pull out the lower paper cassette (3) from Before starting installation, be sure to turn the feeder (A). Remove the lift plate stopper (1) the machine. main power switch of the machine off, and from each cassette and attach it to the stor- 4.Remove the paper cassette (3-1).
  • Page 110 5.Place the machine (6) on the paper feeder 6.Secure the machine (6) to the paper feeder 7.Align the holes (7) of the lower cassette (3-1) (A) so that the pins (4) at the front left and (A) with the 2 pins (B). for the machine with the pins (8) in the cas- front right of the paper feeder (A) are aligned sette slider (3-2).
  • Page 111 H(M4x8) 9.Remove the screw (9) in the rear of the 10.Remove the screw (11) to remove the metal 11.Fit the hook (13) on the mounting plate (C) paper feeder and remove the cover (10). plate (12). into the opening (14) and then align the 2 positioning projections.
  • Page 112 16 18 13.Pass the power cord (15) through the edging 14.Connect the power cord (19) and the signal 16.Open the lower right cover (23) on the (small) (16) and the signal cable (17) cable (20) to connectors (21) (22) respec- machine.
  • Page 113 H (M4x8) H (M4x8) 17.Open the paper feeder right cover (26). 18.Fit the 3 hooks (27) on the intermediate paper conveying unit (D) into the 3 holes (28) in the guide. 19.Secure the intermediate paper conveying unit (D) with the 2 S Tite screw M4 × 8 (H). NOTICE Be sure to use S Tite screw M4 ×...
  • Page 114 20.Connect the intermediate paper conveying 22.Insert the projection (30) on the wire cover 24.Turn the adjusters on each corner (32) until unit connector (29). (F) into the hole (31) in the paper feeder and they reach the floor and then secure the 21.Attach the clamp (E) and secure the connec- install the wire cover (F).
  • Page 115 K (M4x20) K (M4x20) 25.Select holes (33) and install each stopper (J) with 2 S Tite screws M4 × 20 (K) so that the stoppers will be grounded on the floor. 25.Sélectionner les trous (33) et installer chaque butée (J) avec 2 vis S Tite M4 × 20 (K) de sorte que les butées reposent sur le sol. 25.Seleccione los orificios (33) e instale cada tope (J) con los 2 tornillos S Tite M4 ×...
  • Page 116 Setting the paper size plate and media type Skewed paper feed adjustment plate 1.Connect the machine power plug to the wall outlet and turn the machine main power switch on. Insert the paper size plate (G) and media type 2.Load paper into the cassette and make a test copy to check the image. plate (I) into the each slots respectively.
  • Page 117 4.Pull out the cassette (34) in the paper feeder and loosen the 4 screws (35). 5.Turn the adjusting screw (36) to adjust the cursor skew. 6.Retighten the 4 screws (35). 7.Make another test copy to check the image. 4.Sortir le tiroir (34) du chargeur de papier et desserrer les 4 vis (35). 5.Faire tourner la vis de réglage (36) pour régler la déviation du curseur.
  • Page 118 Adjusting the center line The reference value for the center line is ±0.5 mm or less at position (b) in the correct image (a). 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.

This manual is also suitable for:

Pf 730b

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