Page 1 FAX 1000L RICOH FIELD SERVICE MANUAL WARNING RICOH FAX 1000L CONTAINS A LASER BEAM GENERATOR. LASER BEAMS CAN CAUSE PERMANENT EYE DAMAGE. DO NOT OPEN THE LASER DIODE OR LOOK ALONG THE LASER BEAM PATH WHILE THE MAIN POWER IS ON.
Page 3: Table Of Contents
TABLE OF CONTENTS SECTION 1 FEATURES AND SPECIFICATIONS 1-1 Features ............. 1- 1 5-3 Service Level .
Page 4 7-2 Scanner ............. . 7- 2 PAPER FEED UNIT TYPE 1000L 7-3 Printer .
Page 5: Section 1 Features And Specifications
SECTION 1 FEATURES AND SPECIFICATIONS...
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Page 19 Note 1: The total number of addresses stored in the machine for polling reception and memory transmission, when added together, cannot exceed 300. 1 - 14...
Page 20: Specifications
1-2 SPECIFICATIONS Type Desk-top transceiver Circuit PSTN, PABX Direct coupling Connection Length: 105 — 1200 mm Document size Up to 14 m available 148 — 301 mm Width: Thickness: 0.05 — 0.2 mm Document feed Automatic feed, face down Manual feed for thick documents ADF capacity 30 sheets Scanning method...
Page 21 9600/7200/4800/2400 bps Data rate Automatic fallback 15 s for one CClTT #1 test chart using standard resolution, 9600 bps, Transmission time and EFC (no TTI, MTF, or ECM) Laser printing, plain paper, dry toner Printing system B4, A4 Paper size 250 mm (B4) Maximum printout width Main scan:...
Page 22: Section 2 Unpacking
SECTION 2 UNPACKING...
Page 23: Installation Requirements
2-1 INSTALLATION REQUIREMENTS Install in a place which satisfies the following conditions. • Not exposed to direct sunlight. • Away from areas containing corrosive gas. • Well ventilated (air turnover at least three times per hour). • Not subject to vibration. –3 •...
Page 24: Unpacking Procedure
2-2 UNPACKING PROCEDURE 1. Take out the accessory box and the machine. 2. Open the vinyl envelope and take out the machine. Caution: Put the machine on the optional table or a table that is horizontally level within 2 degrees. 2 - 2...
Page 25: Accessories Check Li~T
2-3 ACCESSORIES CHECK LIST 1. Open the accessory box and check the following accessories. 1) Document Tray (1 pc) 2) Copy Tray (1 pc) 3) Master Unit (1 pc) 4) Cassette (1 pc) 5) Paper Size Actuators (1 pc) 6) Paper Size Decals (1 sheet) 7) Power Supply Cord (1 pc)
Page 26 Operators Manual (1 pc) Speed Dial Label Cover (1 pc) Refill Ink (1 pc) Stamper Removal Tool (1 pc) Sub-document Table (1 pc) Paper (1 pc) Vinyl Gloves (2 pcs) Plastic bag (1 pc) Quick Dial Labels (2 pcs) Speed Dial Label (1 pc) Cleaning Pad and Screws (1 pc)
Page 27 SECTION 3 INSTALLATION...
Page 28: Assembly
3-1 ASSEMBLY 1. Remove the three wedges from the master unit. Do not touch the master belt (purple material) Caution: and avoid exposing it to light. 2. Open the upper unit and insert the master unit into the machine along the guide until the unit stops. 3.
Page 29 5. Open the right cover. 6. Shake a toner cartridge well. 7. Remove the cartridge crank from the cartridge. 8. Set the pins on the toner cartridge into the slots on the development unit. Then rotate the cartridge upwards until it snaps into place. 9.
Page 30 12. Install the cassette. Note: If the paper size which the customer will use is different from the initial size, modify the cassette as follows. 1) Move the rear and side fences to the appropriate positions. 2) Attach the appropriate paper size decal to the tray. 3) Install the appropriate actuator.
Page 31 13. Quick Dial Labels 1) Remove the quick dial label cover. 2) Install the quick dial labels. 3) Replace the quick dial label cover. 3 - 4...
Page 32 14. Speed Dial Label 1) Install the speed dial label. 2) Install the speed dial label cover. 15. Install the cleaning pad (see page 3-8). 16. Install the copy tray. 17. Install the document tray. 18. Put some ink in the stamper (see page 3-9). 3 - 5...
Page 33: Power Connection
3-2 POWER CONNECTION Connect the power cord to a 115V 50/60 Hz power source (or 230V 50Hz depending on the model) capable of sup- plying more than 10A. Wall voltage must not fluctuate more than 10%. Make sure that the plug is firmly inserted into the outlet. A dedicated circuit is recommended.
Page 34 3-3 MASTER BELT ROTATION COUNTER INITIALIZATION When the master is installed at installation or when changing the master, the counter should be initialized, as follows. R E A D Y 1 0 0 % 11 : 30 Turn on the main switch. S E T D O C U M E N T 2.
Page 35: Sub-Documenttable
3-4 SUB-DOCUMENT TABLE If the sub-document table is needed, please install it as follows. 1. Take the tape off the adhesive strip on the sub-document table bracket. 2. Attach the sub-document table bracket to the center of the top cover. Note: The top of the top cover must be flush with the top of the sub-document table.
Page 36: Filling The Stamp
FILLING THE STAMPER Open the ADF cover. Remove the stamper as follows with the tool provided in the accessories box. Move the slotted end of the tool over the stamper. Push down the tool until the hooks click into place around the bottom of the stamper.
Page 37: Section 4 Component Guide
SECTION 4 COMPONENT GUIDE...
Page 38: External View
4-1 EXTERNAL VIEW 4 - 1...
Page 39: Internal Components
4-2 INTERNAL COMPONENTS 1. Drive Layout 4 - 2...
Page 40 Name Name R2 Idle Gear — 18T Fan Drive Pulley — Large/Main Drive Gear — Small Reverse Idle Gear Main Drive Pulley ADF Idle Gear — T40 Tensioner Roller — T16 ADF Idle Gear — T45 Registration Clutch ADF Idle Gear — T48 Registration Drive Pulley ADF Clutch Belt Pulley...
Page 41: Mechanical Component Layout
2. Mechanical Component Layout 4 - 4...
Page 42 Function Name R2 Roller Feeds the document through the scanner. R2 Pressure Roller Feeds the document through the scanner. Scanner Mirror Reflects light from the document to the SBU. Exposure Glass Exposes the document to the scanner. Fluorescent Lamp Illuminates the document. R1 Roller Feeds the document through the scanner.
Page 43 Name Function Lens Block A’ssy Focuses light from the scanner onto the CCD. Development Roller Transfers toner to the latent image on the master. Toner Mixing Bar Agitates toner; used for toner end detection. Toner Agitator Agitates toner in the toner cartridge. Paper Lift Arm Lifts the paper.
Page 44 Function Name Feeds the copy out of the fusing unit. Lower Exit Roller Fusing Exit Roller As above. Hot Roller Strippers Separate the copy from the hot roller. Printer Fan Removes ozone from the fusing unit. Absorbs ozone. Ozone Filter Pentagonal Mirror Motor Drives the pentagonal mirror in the laser unit.
Page 45: Electrical Component Layout
3. Electrical Component Layout 4 - 8...
Page 46 4 - 9...
Page 47 Function Name Thermostat Cuts power to the fusing lamp at about 245°C. Thermistor Detects hot roller temperature. Copy Exit Sensor Detects when paper leaves the fusing unit. PSU Fan Cools the PSU. Main Motor Drives the fusing unit, cassette paper feed, paper lift, and development units.
Page 48 Name Function Paper Height Sensor Detects when the paper level has fallen below the paper feed position. Paper End Sensor Detects when the cassette is empty. Drives the scanner motor, paper feed and paper lift solenoids, registration clutch, and some of the fans; contains the registration sensor. Paper Near-end Sensor Detects when the cassette is almost empty.
Page 49 Name Function Activates the document feed mechanism. ADF Clutch Limits the charge given to the master belt. Varistor Drives the document feed mechanism. Scanner Motor Drives the master belt. Master Belt Motor Toner End Sensor Detects when the toner cartridge is empty; detects when the right Right Cover Switch...
Page 50 Function Name Detects the laser printer main scan start position. Contains page memory. Contains the programmed ROMs for controlling the system. Detects when the upper unit or copy exit cover is open and cuts the Upper Unit Interlock Switch + 24VD Supply. Monitor Speaker Monitors the telephone line condition.
Page 51: Section 5 Programming And Testing
SECTION 5 PROGRAMMING AND TESTING...
Page 52: Operation Panel
5-1 OPERATION PANEL 5 - 1...
Page 53 Name Function On Line Indicator Lights during communication. Confidential File Indicator Lights when a confidential message has been received. Tel Mode Indicator Lights when the machine is in manual receive mode. Receive File Indicator Lights when a message was received but could not be printed out because the printer was out of order (copy jam or no paper).
Page 54 Name Function Speed Dial Key and Indicator Press the key to change the mode of the ten-key pad; see the next item. Ten-key Pad Acts as a telephone ten-key pad when the Speed Dial indicator is off; used to enter Speed Dial codes otherwise. Quick Dial Keypad Use to input a single phone number or a sequence of features and phone numbers with one touch.
Page 55 Function Name Halftone, Light, Normal, Use to select the contrast — “Halftone” for photographs, Dark Indicators and Key “Light” for light originals, “Normal” for normal originals, “Dark” for dark originals. Voice Request During communication, press this key to request voice contact Indicator and Key with the other terminal’s operator.
Page 56: User Level Programming
5-2 USER LEVEL PROGRAMMING — Initial Set Up – The following items should be programmed or registered before starting operation. If these items are not set, the machine will not function at optimum potential. Refer to the operation manual for details. Ž...
Page 57 — Function List — Function Function Clearing Polling Files Confidential Transmission Clearing Memory Files Send Later Transfer Request Journal Printing Polling Telephone List Printing Polling File Printing Clock Adjustment Program List Printing Fax/Tel Setting SAF File List Printing Communicated Page Counter Check File Output Scanned and Printed Sheet Counter Check Confidential File Output...
Page 58 Remarks Purpose To make a confidential transmission You can specify the password if you wish. To make a Send Later transmission Enter the required transmission time in 24-hour clock format. All numbers must contain international dial and To send a message to more than one location through a broadcaster country codes.
Page 59 Purpose Remarks To allow the user to use department codes Press * to enable and # to disable. To adjust the speaker volume Increase with # and decrease with *. Press the key or enter the code that you want to To program Quick Dial keys and Speed Dial codes program.
Page 60 Purpose Remarks To erase a polling file Enter the file number of the file to be erased. Refer to the Polling File List. To erase a memory file Enter the file number of the file to be erased. Refer to the SAF File List. To print the Journal To print the Telephone List Details on Quick Dial keys, and Speed Dial Codes,...
Page 61 Remarks Purpose Up to 99 copies can be made. To make more than one copy of a document This must be programmed if you want to use To enter the terminal’s telephone number Transfer Request. A pause must be entered and the international dial and country codes must also be entered.
Page 62 Enter the telephone number (up to 20 numbers and used in place of the RTI when communicating with spaces) at the keypad, then press #, then Yes. a non-Ricoh machine. To match the unit’s dialing mode with the Press * for DTMF and # for pulse dialing.
Page 63: Service Level
5-3 SERVICE LEVEL 5-3-1 Service Functions 1. Entering and Exiting the Service Mode To enter the service mode, press 1, 2, 3, 4, and 5 simultaneously. Note: If you cannot access the service functions, short JP12 on the NCU. To exit the service mode, press 6, 7, 8, and 9 simultaneously. If you wish to disable service mode, remove JP12 on the NCU.
Page 64: Function Table
2. Function Table Number Function Programming the CSI (W.Germany) Programming the Telephone Line Type (W.Germany) Bit switch programming ROM/RAM display, local RAM rewrite System report ROM/RAM printout Error code display Service report CClTT and maker codes Service station telephone number Recovery from printer system crashes NCU parameter programming Do not use function 99.
Page 65: Functions
3. Functions To enter the service mode, press 1, 2, 3, 4, and 5 simultaneously. To exit the service mode, press 6, 7, 8, and 9 simultaneously. Note: After entering service mode, the service mode is disabled automatically if the keypad is not touched for 3 minutes.
Page 66: Rom And Ram Display, Ram Rewriting
4) Either: 1 0 0 % 14 : 00 Change more bit switches using step 3. R E A D Y S E T D O C U M E N T Press the Function key to return to standby. CAUTION: Refer to Appendix A (Bit Switch Functions) before changing any setting.
Page 67 Useful RAM Addresses Redialing without SAF — Number of redials 7079 (hex code) — Redial interval 707A (hex code, minutes, acceptable range: 1 —> 60) Redialing with SAF Max 7 redials, interval can be from 1 —> 15 minutes (entered in hex code) Example: Three redials at intervals of 5, 10, and 15 minutes.
Page 68: System Report
System Report This report lists counter totals, programmed parameters, ID codes, and other items. Press the Function key and enter 92. Press Copy to print the report. ROM and RAM Printout 1) Press the Function key and enter 93. 2) Press Yes. 3) Enter the start and end adresses at the keypad.
Page 69: Error Code Display
5. Error Code Display This displays the most recent 32 error codes. All types of error are included. 1) Press the Function key and enter 94. 2) Press Yes. 3) Either: Press # to display the next four codes. Note: If # is pressed more than 7 times, the machine returns to standby.
Page 70: Service Report
6. Service Report 1) Press the Function key and enter 95. 2) Press Copy. The Error Code column lists communication errors. The Error Code List area gives all types of error codes (the most recent 32 errors only). 7. CClTT and Maker Codes 1) Press the Function key and enter 96.
Page 71: Service Station Telephone Number
8. Service Station Telephone Number If bit 6 of bit switch 1F is 0, the machine will send an auto service call to the service station on the following occasions: • LD power control failure • Master home position failure •...
Page 72: Recovery From Printer System Crashes
3) Enter the service station’s telephone number. Insert a pause after the area code. Example: 213-555-9872 To correct errors: * Press No to erase the entire number. * Press Clear to erase the last digit only. If a number has already been stored, press Yes to confirm it, or press Clear to erase it and enter a new num- ber.
Page 73: Ncu Parameter Programming
10. NCU Parameter Programming M O D E N O . Y / N 1) Press the Function key and enter 98. S E T N C U P A R A M E T E R 2) Press Yes. N C U P A R A M E T E R K P A D...
Page 74 Parameter Remarks Formula Description Acceptable ringing signal frequency (Hz) : Range 1, upper limit Acceptable ringing signal frequency (Hz) : Range 1, lower limit Acceptable ringing signal frequency (Hz) : Range 2, upper limit Acceptable ringing signal frequency (Hz) : Range 2, lower limit N (times) Number of rings until a call is detected Note 3...
Page 75 Parameter Description Formula Remarks Pause between dial digits (T4) Nx20 (ms) Notes 1, 2 Time waited when a pause is input Nx20 (ms) DTMF tone on time (D0) Nx1 (ms) DTMF tone off time (D1) Nx1 (ms) DTMF tone transmission level –...
Page 76: Test Mode
5-3-2 TEST MODE This machine has the following function tests. * Modem test (G2 and G3 signal transmission) * Operation panel test * Fluorescent lamp lighting * Tone transmission (DTMF signals) 1. Entering and Exiting the Test Mode 1. Hold down the Stop key and switch the power on. 2.
Page 77 4. After testing, press 6, 7, 8, 9 simultaneously. 2. Modem Test M O D E M T E S T Make sure that the Speed Dial LED is off. Select “Normal” contrast, then press Start. The unit will go into off-hook mode. Press the required keys to test the desired signal (refer to the following table).
Page 78 — Signal Generation — Signal Operation 9600 bps Light the Speed Dial LED then press Start. 7200 bps Select “Detail” resolution then press Start. 4800 bps Select “Dark” contrast then press Start. 2400 bps Select “Normal” contrast then press Start. 300 bps Select “Light”...
Page 79: Tone Test
Fluorescent Lamp Lighting Make sure that the Speed Dial LED is off. Select “Light” contrast then press Start. F L U L A M P The fluorescent lamp will light. It will remain lit for 8 minutes. Press Stop to return to standby. Tone Tests Light the Speed Dial LED then press Start.
Page 80 — Tone Generation — Tone Operation Tone Operation Press 0 DTMF * Press * DTMF 0 DTMF 1 Press 1 DTMF # Press # DTMF 2 Press 2 697 Hz Press A DTMF 3 Press 3 770 Hz Press B DTMF 4 Press 4 852 Hz...
Page 81: Printer Test
5-3-3 Printer Tests It is not necessary to enter the Service Mode. From standby: * Press the Copy key, then immediately press a specified key, depending on the desired printout. Do not release the keys until the printer has started. •...
Page 82: Dedicated Transmission Parameter Programming
5-3-4 Dedicated Transmission Parameter Programming Each telephone number programmed as a Quick Dial key or Speed Dial code has three bytes in RAM allocated for transmission parameters. Initial modem rate (bps) Byte 1 (0, 0) = 9600 (0, 1) = 7200 (1,0) = 4800 (1, 1 )= 2400 Transmission level Example: (1, 1, 0, 0) = –12 dB...
Page 83 The RAM addresses are as follows ADDRESS ADDRESS ADDRESS ADDRESS ADDRESS ADDRESS 7 8 5 0 786B 7886 78A1 78BC 78D7 7851 78A2 78BD 78D8 786C 7887 7852 78BE 78D9 786D 7888 78A3 7853 786E 7889 78A4 78BF 78DA 7854 786F 788A 78A5...
Page 84 ADDRESS ADDRESS ADDRESS ADDRESS ADDRESS ADDRESS 78F2 7910 792E 794C 796A 7988 78F3 7911 792F 794D 796B 7989 78F4 7912 7930 794E 796C 798A 78F5 7913 7931 794F 796D 798B 78F6 7914 7932 7950 796E 79BC 798D 78F7 7915 7933 7951 796F 78F8...
Page 85: Confidential File Printout
5-3-5 Confidential File Printout If the user has forgotten the password, you can find it on the system report (function 92). However, if the user cannot find out the personal ID specified by the sender, which overrides the password, then use the following procedure.
Page 86: Quality Checks
5-4 QUALITY CHECKS 1. Copy Quality Copy density Visually check the density in the left, right and center. Method: Standard: Density must be even in the left, right and center. 2) Skew Method: Copy an R1 test chart using standard resolution. The difference in length between A and B must be as follows.
Page 87 Make another copy. If the copy is still defective, make a printer test (see page 5-30) and check the SBU wave- forms if necessary (refer to page 7-2). 5 - 36...
Page 89 Test the operation panel display. Refer to page 5-27. Check ADF and printer operation. Communication Tests. Procedure Check Items 1. Resolution selection. Call a remote unit and send 2 test charts, 2. RTI display. one in standard and the other in detailed 3.
Page 90: Section 6 Removal And Replacement
SECTION 6 REMOVAL AND REPLACEMENT...
Page 91 If you will switch off the machine for more than 72 Note: hours, do the following, if it is possible. • Print out confidential rx files (see page 5-34) • Print out files stored for transmission, and a SAF File List. Note which documents were stored in which files.
Page 92: Cover Removal
6-1 COVER REMOVAL 6-1-1 Front Cover 1. Remove the document tray (A) and copy tray (B). 2. Remove the cover plate (C) below the document exit (2 screws). 3 Open the copy exit cover. 4. Remove the small cover plate (D) to the front of the copy exit cover (1 screw).
Page 93 6-1-2 Rear Cover See the diagram on page 6-1. 1. Remove the document and copy trays. 2. Remove the cover plate (C) below the document exit (2 screws). 3. Remove the small cover plate (G) to the rear of the copy exit cover (1 screw).
Page 94 6-1-3 Top Cover See the diagram on page 6-1. 1. Open the upper unit. 2. Remove the top cover securing brackets (I) – 2 screws. 3. Take off the top cover (J). 6-1-4 Operation Panel See the diagram on page 6-1. 1.
Page 95 6-1-5 Document Table Open the upper unit. Take out the master unit (do not touch the master belt). Remove the right inner cover strip (A) – 3 screws. Remove the bracket (B) exposed after taking out the right inner cover strip (2 screws). Remove the two screws (C) holding the rear inner cover (D).
Page 96: Adf And Scanner Components
6-2 ADF AND SCANNER 6-2-1 Feed and Pick-up Rollers Remove the document table (see section 6-1-5). Remove the ADF clutch covers (4 screws). See section 6-2-3. Remove the rear inner cover (3 screws). See section 6-1-5. Remove the front inner cover (5 screws). See section 6-9-1 Remove the lower document guide plate (5 screws).
Page 97 6-2-2 Separation Roller 1. Remove the document tray and copy tray. 2. Remove cover (A) — 2 screws. 3. Open the ADF cover. 4. Remove ground wire (B) — 1 screw. 5. Open the upper unit. 6. Disconnect hinge (C) – 1 screw. 7.
Page 98 6-2-3 Fluorescent Lamp 1. Remove the document tray. (See section 6-1-5.) 2. Open the ADF cover (A). 3. Open the upper unit. 4. Remove the ADF clutch covers (B) — 4 screws. 5. Remove the screw holding the fluorescent lamp terminal (c).
Page 99 6-2-4 S B U 1. Remove the top cover (see section 6-1-3). 2. Remove the adjustment knobs (A) — 1 screw each. 3. Remove the SBU (B) – 2 screws, 1 connector. After replacement, carry out the scanner adjustment proce- dures in section 7-2, and copy a test chart.
Page 100: Charge
6-3 CHARGE 6-3-1 Charge Corona Unit and Wire 1. Remove the operation panel (see section 6-1-4). 2. Remove the document table (see section 6-1-5). 3. Remove the front inner cover — 5 screws. See page 6-28. 4. Remove the front master unit guide rail (A) — 3 screws. 5.
Page 101: Exposure
6-4 EXPOSURE WARNING: Switch off the main power before attempting any of the procedures in this section. Laser beams can seriously damage your eyes. 6-4-1 Second Cylindrical Lens Open the upper unit. Remove the second cylindrical lens cover plate (A) — 1 screw.
Page 102 6-4-2 Pentagonal Mirror and Motor 1. Open the upper unit. 2. Take out the master unit (do not touch the master belt). 3. Remove the printer fan (A). — Remove the rear cover (see section 6-1-2). — Remove the printer fan drive pulley (B) – 1 screw, 1 bushing.
Page 103 6-4-3 S M D R Carry out steps 1 through 5 of section 6-4-2. Remove the fluorescent lamp driver cover (A) — 2 screws. Remove the ground plate (B) – 4 screws (2 shown on the diagram, and 2 on the opposite side). Remove the SMDR assembly (C) –...
Page 104 6-4-4 L S D 1. Remove the operation panel (see section 6-1-4). 2. Remove the document table (see section 6-1-5). 3. Remove the front inner cover (see page 6-28). 4. Remove the LSD (A) — 1 connector, 2 screws. Caution: Do not touch the screws (B) on the LSD holder, or the sensor on the new LSD will be misa- ligned.
Page 105 6-4-5 LD Unit WARNING: SWITCH OFF THE MAIN POWER NOW. 1. Remove the document tray. 2. Open the ADF cover. 3. Open the upper unit. 4. Remove the master unit (do not touch the master belt). 5. Remove the LD unit cover (A) — 1 screw. 6.
Page 106: Paper Feed
6-5 PAPER FEED 6-5-1 Paper Feed and Pick-up Rollers 1. Take out the development unit (see section 6-6-1). 2. Remove the rollers (1 clip each). Do not touch the rubber surface of the new rollers or paper feed errors will develop sooner than normal. 6 - 15...
Page 107 6-5-2 Separation Roller and Spring Clutch 1. Take out the development unit (see section 6-6-1). 2. Take out the cassette and remove the pickup and feed rollers. 3. Remove the separation roller assembly (A) – 2 screws. 4. Take out the separation roller and spring clutch assembly (B).
Page 108: Development
6-6 DEVELOPMENT 6-6-1 Development Unit 1. Remove the cassette. 2. Open the right cover. 3. Remove the development cover plate (A) — 1 screw. 4. Take out the development unit (B) and lay it on a flat surface covered with newspaper. 6 - 17...
Page 109 6-6-2 Toner Metering Blade 1. Take out the development unit (see section 6-6-1). 2. Remove the toner cartridge (A). 3. Remove the toner metering blade (B) – 2 screws. CAUTIONS: • Do not touch, damage, or bend the new blade. •...
Page 110 6-6-3 Development Roller Take out the development unit (see section 6-6-1). Remove the toner metering blade (see section 6-6-2). Remove the development unit rear cover (A) – 1 screw. Remove the bias brush cover (B) – 3 pins. Take out the bias brush (C). Remove the idle gear (D) –...
Page 111: Transfer
6-7 TRANSFER 6-7-1 Transfer Corona Unit 1. Open the upper unit. 2. Take out the master unit (do not touch the master belt). 3. Remove the terminal block (A) — 2 screws. Remove the front endblock securing bracket (B) – 1 screw.
Page 112 9. Remove the nylon wire (F) – one screw at each end. 10. Prise off the front endblock cover (G). 11. Carefully slide off the rear endblock cover (H). 12. Unhook the corona wire (I) from the tension spring in the rear endblock and from the screw in the front endblock (do not remove the screw).
Page 113: Fusing
6-8 FUSING 6-8-1 Fusing Unit Removal Remove the front cover (see section 6-1-1). Remove the rear exit assembly cover (A) — 1 screw. Open the copy exit cover (B). Remove the rear fusing unit retaining bracket (C) – 3 screws. Unhook the spring (D) from the upper unit interlock switch (E).
Page 114 6-8-2 Thermostat 1. Take out the fusing unit (see section 6-8-1). 2. Unhook 4 harness clamps (A). 3. Take out the screw holding the thermostat assembly (B) and lift out the assembly. 4. Remove the thermostat (C) — 2 screws. 6 - 23...
Page 115 6-8-3 Fusing Lamp/Thermistor Assembly See the diagram on page 6-23. Remove the thermostat (see section 6-8-2). Unhook the other 4 harness clamps. Remove the PSU connector (D) – 2 screws. Remove the front and rear fusing lamp support brackets (E) – 1 screw each. Slide out the fusing lamp.
Page 116 6-8-4 Hot Roller 1. Remove the fusing lamp/thermistor assembly (see section 6-8-3). 2. Remove the fusing unit drive gear (A) and bushing at the rear (1 C-ring). 3. Remove the bushing (B) at the front end of the hot roller (1 C-ring).
Page 117 6-8-5 Pressure Roller Remove the hot roller carefully (see section 6-8-4). 2. Lift out the pressure roller (A) and take off the E-ring, bushing, and washer at each end. Reinstalling: • Do not take the paper off the new roller until the roller has been installed.
Page 118 6-8-6 Hot Roller Strippers It is advisable to replace all five as a set. There is no need to remove the fusing unit. 1. Remove the lower copy exit cover (A) — 2 screws. 2. Open the exit assembly. 3. Remove the lower copy exit guide plate (B) – 2 screws. 4.
Page 119: Quenching
6-9 QUENCHING 6-9-1 Quenching Lamp 1. Remove the operation panel (see section 6-1-4). 2. Remove the document table (see section 6-1-5). 3. Remove the front inner cover (A) – 5 screws. 4. Remove the UIB cover (5 screws) disconnect the lamp 5.
Page 120: Pcbs
6-10 PCBs 6-10-1 MIF, Modem, and MBU Before changing the MBU, do the following if possible. 1) Print the following reports: • Telephone List • Program List • Polling File List • Service Report — Keep for reference during future service calls.
Page 121 After changing the MBU, do the following: 1) Initialize the RAM on the new MBU. • Use mode to change the data in address RAM R/W 14B0 to 00. • Switch the power switch off and on. Wait 10 seconds before turning power back on Note: due to possible damage to the PSU.
Page 122 6-10-2 PMU 1. Remove the front cover (see section 6-1-1). 2. Remove the operation panel (see section 6-1-4). 3. Remove the PMU cover (A) — 4 screws. 4. Take off the PMU. 6-10-3 BSR Before removal, do the following if possible: •...
Page 123 6-10-4 FCU 1. Remove the MIF, MBU, Modem, BSR, and PMU (see sec- tions 6-10-1 and 6-10-2). CAUTION: Make sure that you do not accidentally flick off the jumper from the MBU or BSR battery switches (SW1 on each PCB). Remove the FCU —...
Page 124 6-10-5 Power Pack Remove the front cover (see section 6-1-1). Open the upper unit and take out the master unit. Take out the development unit. Remove the terminal block (A) — 2 screws. Take the charge corona power terminal (B) out of the terminal block (1 screw).
Page 125 6-10-6 UIB 1. Remove the document table (see section 6-1-5). 2. Remove the UIB cover (A) – 5 screws. 3. Remove the UIB (B) — 5 screws, 12 connectors. 6 - 34...
Page 126 6-10-7 PSU 1. Remove the front cover (see section 6-1-1). 2. Remove the fusing unit (see section 6-8-1). 3. Remove the transport guide plate (A) – 4 screws. 4. Disconnect three connectors (B) below the FCU at the front of the machine. 5.
Page 127 6-10-8 DSB 1. Remove the document table (see section 6-1-5). Remove the front inner cover (see section 6-9-1) — 5 screws. Open the ADF cover. Remove the 5 screws holding the lower document guide plate (A). CAUTIONS: • Put the exposure glass (B) and the two retaining plates in a safe plate.
Page 128 6-10-9 DRU Remove the front and rear covers (see sections 6-1-1 and 6-1-2). Remove the transfer corona unit (see section 6-7-1). Remove the 2 screws holding the transfer entrance guide plate (A). Remove the snap ring at each end of the registration roller shaft.
Page 129 6-10-10 NCU 1. Disconnect the line and the telephone. 2. Remove the rear cover (see section 6-1-2). 3. Remove the NCU cover (A) – 4 screws. 4. Remove the NCU (B) — 4 screws, 1 connector. 6 - 38...
Page 130: Section 7 Adjustments
SECTION 7 ADJUSTMENTS...
Page 131: Adf
7-1 ADF 7-1-1 Tx Motor Timing Belt 1. Open the upper unit. 2. Remove the ADF clutch covers (4 screws). 3. Remove the fluorescent lamp (see page 6-7). 4. Remove two screws (A). 5. Push the tensioner bracket (B) towards the document exit. Hold it there while tightening the tensioner bracket secur- ing screw.
Page 132: Scanner
7-2 SCANNER When installing a new SBU, adjust the scanner. Use the following procedure. — Preparation — Remove the top cover (see section 6-1-3). 2. Connect the test lead (P/N H0129301) to CN3 of the VPU. VPU CN3 1 VIDADJ 2 XVIDEO G N D 3.
Page 133 4. Light the fluorescent lamp (see page 5-28). 5. Carry out the following procedures in the order they are given. — Procedure — Step Item Procedure Tools Alignment 1. Turn the adjustment No image knobs until the scan line or partial is roughly aligned.
Page 134 Tools Symptoms Procedure Item Step Blurred or Oscilloscope, Reduction 1. Set the 8-line/mm pattern of the Phillips filled-in test chart at the scan line position. rate characters screwdriver, 2. Loosen both lens block securing Test chart screws. (R1) 3. Push the lens block to the left and move it back and forth until the 4.
Page 135 Symptoms Tools Item Procedure Step 4. Adjust the white XVIDEO waveform Scan line (continued) with the adjusting knobs until it is as shown on the right. 5. Tighten the adjusting knob securing screws. 6. Take out the test strip. Misaligned Oscilloscope, Scan 1.
Page 136 Check Recheck the white level, focusing, and reduction rate. See procedures Repeat each procedure if necessary as they affect each other. 2, 3, and 8. Shading 1. If (A – B) / A > 30%, adjust the fluorescent lamp Flatness shading plate.
Page 137: Printer
7-3 PRINTER 1. Master Belt Motor Timing Belt Tension 1. Open the upper unit. 2. Remove the rear inner cover (see page 6-4). 3. Move the tensioner bracket (A) until its edge is flush with the edge of the master belt motor bracket. Symptoms if incorrect: •...
Page 138 2. Paper Feed Clutch Clearance 1. Remove the rear cover. 2. Remove the bracket (A), and the connector bracket (B). 3. Make sure that the clearance is 0.2 mm. Symptoms if incorrect: Copy jam 7 - 8...
Page 139 3. Transfer Entrance Guide Plate 1. Remove the front and rear covers. 2. Make sure there is a master unit in the machine. 3. Close the upper unit. 4. Slide each screw (A) up until it stops, then tighte screw. Symptoms if incorrect: Copy jam Poor copy quality...
Page 140: Vpu
7-4 VPU RAM address 151E selector threshold (T1SL), used in halftone mode only. Bits 0, 1 Process If the process selector result is less than T1SL, or if T1SL is off, halftone is selected. Otherwise, MTF is selected. Experiment with these bits when there is an image quality problem such as background. Bit 2 Edge detection threshold (T2SL) Elements higher than T2SL are taken as black.
Page 141: Section 8 Maintenance
SECTION 8 MAINTENANCE...
Page 142 PM Table Servicing Intervals Item Notes Replace Clean Lubricate Scanner 1. Pressure Plate Soft cloth soaked in alcohol 2. Exposure Glass As above As above 3. R1 and R2 rollers As above 1. Paper feed and pick up rollers As above 2.
Page 143 Servicing Intervals Item Replace Clean Lubricate Printer Corona Wires Soft cloth soaked in alcohol (Transfer, Charge) Master Unit Quenching lamp Toner Collection Tank Other 1. Ozone filter 2. Main motor timing belt 8 - 2...
Page 144 Servicing Intervals Notes Item Lubricate Replace Clean Fusing unit Soft cloth soaked in alcohol 1. Thermistor As above 2. Hot roller strippers As above 3. Hot roller (Teflon) As above 4. Pressure roller G-40H 5. Fusing unit drive gear Development 1.
Page 145: Section 9 Troubleshooting
SECTION 9 TROUBLESHOOTING...
Page 146: Service Call Conditions
9-1 SERVICE CALL CONDITIONS If the Call Service indicator is lit, one of the following errors has occurred. • LD power control failure • Master home position failure • Pentagonal mirror motor lock failure • Laser main scan synchronization failure •...
Page 147 Action Symptom LD power control failure Does the FCU receive – 12V, + 24VS, and + 5V from the PSU ? Replace the PSU Does the master set sensor component on the upper unit pass + 12V ? Replace the sensor Replace the master unit, LDDR, UIB, or FCU •...
Page 148 Symptom Action Master home position failure (continued) • Does the (UIB receive a signal from the sensor ? Does the sensor receive + 5V ? Trace the + 5V supply line and replace defective board (PSU, FCU, or UIB) Replace the sensor Replace the UIB or FCU 9 - 3...
Page 149 Symptom Action • Does the FCU receive + 24VD at CN17-1 ? Pentagonal mirror motor lock fail, or laser main scan synchronization Does 1POWON go high after Copy is pressed ? fail Replace the FCU Replace the PSU, upper unit interlock switch, or right cover interlock switch If the FCU does not output + 24V at CN9-1, replace the FCU •...
Page 150 Symptom Action • I the fusing unit thermistor open or shorted ? Fusing lamp failure If so, replace it. Otherwise, clean it. • Replace the fusing lamp if it is open-circuit. • Replace the FCU or UIB. • Replace the PSU. •...
Page 151: Copy Quality Problems
9-2 COPY QUALITY PROBLEMS Action Symptom Blank or Faint Copy Make a printer test (see page 5-30). Is the test pattern normal ? Are the charge or transfer corona units and wires installed badly or broken ? If there is a faint image, the transfer corona unit may be defective. Does CN15-6 on the FCU (1TRLEK) go high ? If so, clean the transfer corona unit, removing any foreign objects that could cause a leak.
Page 152 Action Symptom The laser beam may not be responding to the data signal, thus continually exposing the master. Does the data signal at the LDDR switch on and off normally ? Replace the defective part of the circuit (LDDR, UIB, FCU, or PMU).
Page 153 Symptom Action Black copy Make a printer test (see page 5-30). Is the printout normal ? Is the master unit properly grounded ? Check the grounding terminal near the rear of the quenching lamp and check the grounding plate on the master unit. Clean or replace the defective part.
Page 154 Action Symptom The laser beam is not reaching the master. Does the data signal at the LDDR switch on/off normally ? Replace the defective part of the laser signal circuit (LDDR, UIB, FCU, or PMU). Check the laser optics for broken or dirty components. Check for condensation on the optics or the master.
Page 155 Symptom Action Make a printer test (see page 5-30). Is the test pattern normal ? Low Image Density • Replace the master unit. • Check the corona wires. Clean (with cotton swabs) or replace. • Clean the development roller (soft cloth + alcohol). •...
Page 156 Action Symptom Is there toner in the toner cartridge ? Check the toner end sensor mechanism. Does CN21-2 of the FCU go low if the actuator leaves the toner end sensor ? Replace the toner end sensor. Replace the FCU if the Add Toner indicator is not lit. Clean the white pressure plate used for auto-shading.
Page 157 Action Symptom If “Call Service” is lit, replace the LD unit and LDDR. Dirty background on entire copy image Make a printer test (see page 5-30). Is the printout normal ? • Reinstall the master (incorrectly installed). • Replace the master (worn out OPC). •...
Page 158 Action Symptom Does the bias terminal receive + 225 ± 10V ? Does the power pack receive the trigger signal and + 24V supply ? Replace the FCU. Replace the power pack. Does the quenching lamp work ? Does the UIB generate the + 24V supply and trigger signals ? Replace the FCU or UIB.
Page 159 Action Symptom Dirty background with Clean the cleaning blade or replace the master unit. negative image Dirty background after the Does the quenching lamp work ? trailing edge of solid black copies Are the + 24V supply and trigger signal generated by the UIB ? Replace the FCU or UIB.
Page 160 Symptom Action • Clean the master belt Previous copy shows faintly • Clean the quenching lamp or the defective part of the drive circuit (see the previous symptom for check method). Uneven Density 1) Density changes Make a printer test (see page 5-30). Is the printout normal ? gradually across the copy Check that the charge corona wire is clean and that it is installed...
Page 161 Action Symptom Make a printer test (see page 5-30). Is the printout normal ? 2) Uneven density appears in vertical bands • Clean the charge and transfer corona wires. • Clean the quenching lamp. • If the problem is not solved, clean the laser optics. •...
Page 162 Symptom Action Vertical White Lines or Bands 1) Straight sharp lines Make a printer test (see page 5-30). Is the printout normal ? Start a copy cycle and stop it before the copy reaches the fusing unit. Do the same lines appear on the unfused copy ? •...
Page 163 Action Symptom Is the master belt scratched ? • Clean the grid plate. • Clean the toner metering blade — toner may be piling up there. • Add toner if supply is low. • Follow the procedure for “Uneven Density, 2) Vertical Bands”...
Page 164 Action Symptom Vertical Black Lines or Bands • Replace the master if the cleaning blade is damaged. 1) Wavy Lines • Pentagonal mirror motor fault. • Replace the SMDR or pentagonal mirror motor. If the problem still occurs, replace the UIB or FCU. If the master belt is scratched, change the master unit and the part that is 2) Dotted lines or bands...
Page 165 Action Symptom • Clean the thermistor, hot roller, and hot roller strippers. • If the hot roller surface is scratched, correct or clean or replace any parts that damage the roller. Then replace the hot roller. • If the hot roller strippers are badly stained with toner, replace the thermistor (or the UIB, FCU, or PSU).
Page 166 Symptom Action • Change the master unit. Dirty margins • Clean the quenching lamp. • Change the development unit. • Change the fluorescent lamp. Black streaks at the • Clean the hot roller strippers. Ieadiing edge • Replace the master. •...
Page 167 Symptom Action Horizontal white Does the copy have a crease mark where the white band appears ? lines or bands across copies • Clean the transfer unit (wire, end blocks, and casing). • Check and replace any defective parts that cause the transfer corona to leak. Check the paper transport mechanism from paper feed through transfer;...
Page 168 Action Symptom • Clean the development roller with a soft cloth and alcohol. White spots in black • Clean the transfer corona wire. areas If the problem cannot be solved: • Replace the development unit. • Replace the power pack. Black streaks after Laser diode drive defective.
Page 169 Symptom Action • Check that the scan line sensor is positioned correctly. Leading edge missing • Change the FCU. Fuzzy cory Make a printer test (see page 5-30). Is the copy normal ? Are the charge corona fan (at rear of machine) and the transfer fans working ? Do the fans receive + 24V from the DRU ? Replace the FCU or DRU Replace the defective fan.
Page 170 Action Symptom Hollowing out Is the paper damp ? • Clean the transfer corona wire. • Replace the power pack if problem not solved. Replace the paper Hat image Does the quenching lamp turn on ? Does the lamp receive power and the trigger signal from the UIB ? Replace the UIB or FCU Replace the lamp.
Page 171 Symptom Action Jitter Make a printer test (see page 5-30). Is it normal ? • The master belt or main motor drive mechanism (e.g., motor, gears, timing belt) may be defective. Check the belt tension (see section 7-3-1). • Check all gears and timing belts. •...
Page 172 Action Symptom Misaligned output - Make a printer test (see page 5-30). Is the output normal ? margin of data has been shifted to the left or right The LDS board may be out of position. Adjust as explained in section 6-4-4. •...
Page 173 Effects of line problems on copy quality 1. Missing lines; shrinkage in sub scan direction — Original — — Bad copy sample — ABCDEFGHIJKLMN 1234567890 OPQRSTUVWXYZ 0987654321 2. Cut off. — Bad copy smaple — Some lines may be missing just before the cutoff.
Page 174: Mechanical Problems
9-3 MECHANICAL PROBLEMS Action Symptom • Check whether the problem can be solved by using another stack of paper. Wrinkled copy • Check paper transport through the copier and replace the defective component. • Replace the fusing unit pressure roller springs. •...
Page 175 Symptom Action • Clean the R1 and R2 rollers (soft cloth and alcohol). Document Jam • Clean the feed, pickup, and separation rollers (soft cloth and water). • Check the Tx motor timing belt (see section 7-1-1). • Check the scan line sensor (SB-2). Does the UIB receive a signal from the sensor at CN4-5 ? Does the DSB receive a signal at CN3-2 ? Replace the sensor, or check the continuity of the + 5V supply...
Page 176 Symptom Action Does the FCU receive + 24VD from the PSU when Copy is pressed. Does 1POWON go high ? Replace the FCU. Replace the PSU or, upper unit interlock switch, or right cover interlock switch. If the FCU does not output 24VD at CN8-12, change the FCU. Otherwise, replace the DRU.
Page 177 Action Symptom Replace the DSB. After Copy is pressed, does the FCU output 24V at CN9-1 and receive it at CN17-1. Does 1POWON go high ? Replace the FCU. Replace the PSU the upper unit interlock switch, or the right cover interlock switch.
Page 178 Symptom Action • Is the correct type of paper being used ? Copy Jams • Is the paper correctly loaded ? 1) Paper Feed • Clean the paper feed, pickup, and separation rollers. Remove any debris from Entrance the feed-in area. —...
Page 179 Symptom Action Copy Jams 2) Registration • Clean the registration rollers (soft cloth and alcohol). Area — Error Code • Check the registration sensor (as for item 1 above). • Check the registration clutch. If it is not working, do the following: 9-08 Does the FCU output + 24VD and the drive signal to the DRU ? Replace the FCU.
Page 180 Symptom Copy Jams 3) continued Replace the FCU. Replace the sensor. Replace the FCU. 4) Copy Exit — • Clean the copy exit rollers. • Check the copy exit sensor (as for item 3 above). Error Code 9-09 Copy Non-feed •...
Page 181 Action Symptom Copy Non-feed (continued) Does 1POWON go high after Copy is pressed ? Replace the FCU. Replace the PSU, the upper unit interlock switch, or the right cover interlock switch. Does the FCU send the drive signal and + 24VD to the main motor ? Replace the FCU.
Page 182 Symptom Action Copy Non-feed (continued) • Check that paper is at the paper feed position. If not, check the paper lift mechanism, then check the circuit as follows. Does the FCU output the paper lift drive signal at CN8-5 ? Replace the FCU.
Page 183 Symptom Action Copy Non-feed (continued) Does the FCU receive signals from the paper size sensor ? Replace the paper size sensor. Replace the FCU. If the main motor, pentagonal mirror motor, and development bias turn on but not the master belt motor (or lower paper feed motor), then the basic conditions for starting copying may not have been met.
Page 184 Action Symptom Ozone odor Are the fans working ? Replace either • Printer fan drive belt • Defective fan — charge corona fan — front transfer fan — rear transfer fan • DRU, PSU, or FCU Change the ozone filter. 9 - 39...
Page 185: Error Codes
9-4 ERROR CODES Protocol Errors — G3 transmission — Code Meaning Suggested Cause/Action DIS/NSF/GI not detected within 35 Check all connections inside the machine. 0-00 seconds after the Start button was Replace the FCU. Replace the modem. depressed. Measure the Rx signal level. Check the received signal on an oscilloscope.
Page 186 Suggested Cause/Action Code Meaning 1. As for 0-00, actions 1 —> 3. 0-05 FTT from remote unit detected after 2. Replace the NCU and/or modem. modem training at 2400 bps 3. Check the Tx signal level. 4. Check for line problems. DIS detected after DCS and modem As for 0-00, actions 1 —>...
Page 187 Suggested Cause/Action Meaning Code 1. As for 0-00, actions 1 —> 3. 0-09 Protocol signal could not be recognized 2. Check the remote terminal. As for 0-08, but error report disabled As for 0-08. 0-10 0-11 Error code memory overflow when 1.
Page 188 — G3 reception — Meaning Suggested Cause/Action Code 0-20 Image information not received within 1. Check all connections inside the machine. 2. Replace the FCU. 6 seconds after retraining 3. Replace the modem. 4. Check for line problems. 0-21 When receiving image information, 1.
Page 189 — G2 transmission — Code Meaning Suggested Cause/Action 0-50 CFR or MCF not detected within 5 1. As for 0-20. seconds after phasing or image 2. Measure the Tx signal level. information transmission 3. Incompatible remote terminal. 0-51 CFR or MCF carrier not dropped for 6 1.
Page 190 — G2 reception — Code Meaning Suggested Cause/Action 1. As for 0-20. 0-60 Phasing signal not finished within 2. Check phasing signal timing. 8 seconds. 1. As for 0-60. 0-61 Image information not received within 2. Incompatible or defective remote terminal. 3 seconds.
Page 191 — G3 or G2 communication — Meaning Suggested Cause/Action Code 0-70 Communication modes unmatched 1. Check all connections inside the machine. 2. Replace the FCU. 3. Replace the modem. 4. Check what mode is selected at remote terminal. 9 - 46...
Page 192 2. Document Errors Meaning Suggested Cause/Action Code 1-00 Document jammed 1. Improperly inserted document. 1-01 Maximum document length exceeded. 2. Faulty sensors. (Transmission, Copy) 3. Replace FCU. 4. Replace Tx motor. 5. Check all connectors inside machine. 6. Document length exceeded maximum. 7.
Page 193 Code Meaning Suggested Cause/Action 1-15 Document was set when a jam condition 1. As for 1-00. existed. Document jammed when feeding out. 1. Replace the FCU. 2. Check SB2. 3. Scanner feedout path blocked. 4. Document length exceeded maximum. 5. Check document feed condition. 9 - 48...
Page 194 3. P C B s Code Meaning Suggested Cause/Action 2-00 FCU stalled — interrupt timer 1. Replace FCU. to CPU stopped 2. Replace PSU. 2-10 Modem not turned into transmission state 1. Check modem — FCU connection. 2-11 Rx data transfer clock not output 2.
Page 195 Code Meaning Suggested Cause/Action 2-30 Ringing signal detection continues for 1. As for 2-20. more than 6s 2. Replace NCU. 2-31 Line not connected 3. Replace modem. 2-32 Line not disconnected 4. Check the line condition. 2-33 Incoming carrier either: Continues for more than 6s Has signal dropout less than 200ms 2-34...
Page 196 4. Communication Required Action Code Cause 4-00 One page took longer than eight minutes to Resend the message. transmit 4-01 Line current was cut Reattmpt the communication. 4-02 The remote terminal cut the received Resend the message if necessary, after changing the remote terminal’s maximum receive length.
Page 197 5. SAF Errors Code Required Action Cause 5-10 DR circuit does not work Change FCU. 5-20 Storage impossible because either: No action; temporary memory shortage. • Memory all used up • File tables all full • Mode tables all full 5-21 Memory overflow 5-22...
Page 198 6. ECM Errors Code Cause Required Action 6-00 T1 timer ran out Retry the communication. 6-01 Protocol cannot be received 6-02 EOR received 6-03 Unexpected or abnormal protocol signal received 6-04 RTC was not received Facsimile data frame not received (line fail 6-05 does not occur) 6-06...
Page 199 7. Printer Errors Code Meaning Suggested Cause/Action 9-00 Page memory and FIFO full 9-01 Toner collection tank full 1. Replace master unit. 2. Replace toner overflow sensor. 9-02 The printer control hardware cannot receive a line of data using the usual DMA process.
Page 200 Meaning Suggested Cause/Action Code 1. Execute function 97. 9-17 Transfer corona power leak 2. Clean corona unit. 3. Replace FCU, power pack or corona unit. 1. Excute function 97. 9-20 LD power control failed 2. Replace the FCU, UIB, LDDR, master set sensor, or the master.
Page 201 Code Meaning Suggested Cause/Action 1. Execute function 97. 9-24 Main motor lock failed or lower paper feed motor lock failed 2. Replace the motor and driver, or the FCU. Handshake error between FCU and UIB 1. Software error; use function 97 to reset. 9-25 2.
Page 202 9-5 ECM Communication Troubleshooting Communication tests in areas with frequent bad lines have led to the following countermeasures. Excessive Impulse Noise Reduce the frame size to 64 octets. To do this, set bit 1 of bit switch 1A to 1. 2.
Page 203: Appendix
APPENDIX...
Page 204: Bit Switches
APPENDIX A BIT SWITCHES 1. Factory Settings BITSW BITSW N o t e : • G = W.Germany, I = Italy, UK = United Kingdom, UNI = Universal • The bit switch factory settings are given in hex code. The first figure represents bits 7 to 4 and the second figure represents bits 3 to 0.
Page 205 2. Functions BITSW 0 Bit No. Function Remarks Back-to-back function 1; Enabled Set to 1 when connecting two machines in a When this bit is set to “1”, the Start key is back-to-back test. enabled without picking up the handset. Memory read/write request This bit should be “0”...
Page 206 D: 7.7 lines/mm 2D: MR N: No reduction standard mode 48: 4800 bps 1E: EFC and B: B4 size NSS: Non-standard R: Reduction mode (RICOH) 24: 2400 bps 2E: EFC and 1C: MH and 2C: MR and A - 3...
Page 207 BITSW 1 Bit No. Function Remarks Fax/Tel selection 0; Fax 1; Tel This bit can be changed by Function 51. When this bit is set to “1”, automatic reception is not available. Resolution selection at power-up 0; Standard 1; Detail Standby default resolution 1;...
Page 208 BITSW 2 Bit No. Function Remarks Transmission modem rate 9600 bps 7200 bps 4800 bps 2400 bps Do not use. Keep at 0. EFC in transmit mode If the remote end has compatible EFC, 0; Enabled 1; Disabled EFC is used if this bit is 0. Coding 0;...
Page 209 BITSW 3 Remarks Bit No. Function The Tx level is the sum of these 4 bits. Transmission level from modem Controls the attenuator in the MIF. 0: – 1 dB 1: 0 dB 0: – 2 dB 1: 0 dB 0: –...
Page 210 BITSW 4 Bit No. Function Remarks Hang-up decision when a negative code (RTN or PIN) is received. 0; No hang-up 1; Hang-up If this is set to 1, the machine will disconnect Echo countermeasure instead of ignoring echoes. 0; Enabled When the same code that was sent is received, it is ignored.
Page 211 BITSW 5 Bit No. Function Remarks Display priority between RTI and CSI 0; RTI priority 1 ; CSI When both RTI and CSI are received, the frame with priority is displayed. RIT and CSI frame display decision 0; Displays the frame with priority 1;...
Page 212 Print out of copy sample on memory transmission report, even if transmission was successful 0; Disabled 1; Enabled This works in CClTT mode and Ricoh Resolution in A3-to-A4 reduction mode during G3 non-standard mode. transmission 0; Detail 1;...
Page 213 Bit No. Function Remarks Reduction in transmission Enabled Document Paper width at Reduction Width the remote terminal Reduced to B4 Reduced to A4 Reduced to A4 Disabled The width of transmitted data will match the paper width which is set in the remote terminal; left and right edges will be lost.
Page 214 BITSW 7 Bit No. Function Remarks Line error counter method 0; Selects bit no. 1 method 1; Selects bit no. 2/3 and bit no. 4/5/6 method (for Europe) Line error counter decrement during G3 reception 0; Decremented by 1 every time 10 lines are received perfectly.
Page 215 BITSW 8 Bit No. Function Remarks Paper length informed in NSF to tx side 0; Unlimited 1; A4 EFC function in receive mode 0; Enabled Coding method to be notified to the transmitting terminal 0; MH and MR 1; MH only Modem types to be notified to the transmitting terminal 1 V27 ter 0, 1 V27 ter...
Page 216 BITSW 9 Remarks Bit No. Function Resolution to be notified to the transmitting terminal 0; 3.85 (Standard) and 7.7 (Detail) 1; 3.85 only Keep at 0. Do not use in the field. Modem rate for the start of reception 7200 bps 4800 bps 2400 bps 9600 bps...
Page 217 BITSW A Bit No. Function Remarks Transmission of the NSF (S) frame in Rx mode 0; Enabled Transmission of the RTI frame in Rx mode 0; Enabled Transmission of the CSI frame in Rx mode 0; Enabled Transmission of the Group Identification signal in Rx mode 0;...
Page 218 BITSW B Bit No. Function Remarks Confidential transmission or reception with personal ID 1; Disabled Communication mode at power up 0; AUTO 1; G2 Compatibility with MV1200 1; Enabled FTZ Specifications For Europe; enables FTZ protocol and 1; Enabled bits 3 and 5 of BITSW 10. Do not use.
Page 219 BITSW C Bit No. Function Remarks Monitor speaker during transmission 1; Disabled at all times during transmission Monitor speaker volume during transmission Changed by function 56. 0; 0 dB 1; + 3 dB 0; 0 dB 1; + 6 dB 0;...
Page 220 BITSW D Remarks Function Bit No. Transmission report output 0; Enabled Error report output 0; Enabled Automatic Journal output 0; Output automatically every 35 communications 1; Not output automatically Journal memory cleared after output 1; Journal cleared Journal memory is cleared after a manual Journal output (Function 70) is performed.
Page 221 Bit No. Function Remarks Clearing of the transmit and receive counters/scanned and printed document counters 1; Clear When the stop button or function button is pressed, or when the timer is exceeded after this bit is set at 1, the counters are cleared. When they are cleared, this bit is automatically set back to 0.
Page 222 BITSW E Bit No. Function Remarks Maximum transmittable document length (1, 1) is not used. 600 mm 1.2 m 14 m Keep at zero. Do not use. Printer paper width 0; Read from sensor 1; Taken as A width; informs A width in protocol Keep at zero.
Page 223 BITSW F Bit No. Function Remarks TTl date output 0; Transmitted as document data 1; Not transmitted TTl character output 0; Transmitted 1; Not transmitted TTl page number output 0; Transmitted 1; Not transmitted TTl printing start position This is the distance of the time/date information in from the scan start position.
Page 224 BITSW 10 Bit No. Remarks Function Page count prompt Changed by function 54. 1; Not displayed 0; Displayed Changed by function 55. Department code prompt 0; Displayed 1; Not displayed Page numbering on copies made in multicopy mode 0; Batch-numbering 1;...
Page 225 BITSW 11 Bit No. Remarks Country code of the local terminal For enabling the required set of PTT parameters. BIT NO. Germany England Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Netherlands U.S.A. Asia Japan Spain Not used (Japan only) PSTN access method through PABX BIT NO.
Page 226 Remarks Bit No. Function Dialing method in pulse dial mode BIT NO. P = N Normal Note that in P = N mode, 0 is 10 pulses. P = 10 — N Oslo P = N + 1 Sweden P: Number of pulses N: Dialed No.
Page 227 BITSW 13 Remarks Function Bit No. PSTN access number Hex value of BITSW13 Example: Code 0 Access No. Set bits 0 — 3 to 0 and bits 4 — 7 to 1. FF: Disabled If the machine detects this access code at the start of a telephone number, it will close the loop, then pause for a few seconds before continuing.
Page 228 BITSW 14 Bit No. Function Remarks Do not use Keep at 0. Not used. Do not use Ground start (Europe NCU only) Set this bit to 1 when the ground start jumper is installed. 0; Enabled Do not use Keep at 1. Dial pulse rate of NCU auto-dialer 0;...
Page 229 Bit No. Function Remarks Keep at (1, 1) for the FAX1000L. Machine type FAX1000L Do not use Keep at 0. Halftone dither method 0; 64 levels 1; 16 levels Do not use Keep at 1. Not used Not used. Polling File List and Memory Transmission Report Even if this bit is set to 1, the report is printed when an error occurs.
Page 230 BITSW 16 Remarks Bit No. Function Monitor speaker in dialing mode 0; Enabled Monitor speaker volume in dialing mode 0; 0 dB 1; + 3 dB 0; 0 dB 1; + 6 dB 1; + 12 dB 0; 0 dB Keep at 0.
Page 231 BITSW 17 Remarks Bit No. Function Do not use A - 28...
Page 232 BITSW 18 Remarks Function Bit No. Automatic memory report output 0; Enabled 1; Disabled Image data on memory transmission reports for failed transmissions 1; Not included 0; Included Length of reproduced image data on memory transmission report for failed transmissions 1;...
Page 233 Remarks Bit No. Function Use of Quick Dial key “W” to toggle between stamper enabled and disabled 0; Disabled 1; Enabled If enabled, key W cannot be used to store a telephone number or keystroke program. Use of Quick Dial key “X” to toggle between Fax Tel modes 1;...
Page 234 BITSW 19 Remarks Bit No. Function Action when paper ends 0; Data coming in after paper end is stored in the SAF. 1; Communication ends after paper runs out. Do not use Keep at 1. Action when memory overflows during memory reception.
Page 235 1; End of current frame 0; End of current octet CTC fallback method 0; Ricoh non-standard (only for use between Ricoh machines) 1; CCITT method Maximum number of PPR frames that can be received after sending CTC without data rate fallback, before sending DCN 0;...
Page 236 Action on receiving EOR Ricoh mode — prints the block up to the first error frame, then cuts the line CClTT mode — prints the block up to the first error...
Page 237 BITSW 1B Remarks Function transmission with halftone mode In the transmission mode, if halftone is selected, ECM is disabled. During ECM communication, halftone cannot be selected. Both halftone and ECM can be selected at the same time ECM mode: Data rate for the next page (after EOM) if there was fallback in the page just sent 0;...
Page 238 Bit No. Function Remarks Not used. Cable equalization in receive mode Adjust bits 2 — 7 when there is signal 1; Enabled loss due to the length of wire between the modem and the telephone exchange. Cable equalization in receive mode High Medium Cable equalization in transmit mode...
Page 239 BITSW 1D Remarks Function Bit No. Not used. Report output size 1; Letter 0; A4 Do not use Keep at 0. Master belt replacement level 1; User function 0; Service function Keep at 0. Do not use If there is a problem in the lower cassette, set this Lower cassette option bit to 0 until the problem is cleared.
Page 240 BITSW 1E Bit No. Function Remarks ECM in Tx mode (FTZ specification). When this bit is 1, bits 1 and 2 of BITSW 1E are ignored and ECM cannot be selected by function 83. Standby default setting of ECM 1: As specified in bit 2 1;...
Page 241 BITSW 1F Function Remarks Bit No. Do not use Keep at 0. Smoothing 0; Enabled (except for reports) 1; Disabled Reduction in copy mode 1; Enabled 0; Disabled Action when received page is longer than the copy paper 0; The final-few lines of the page are printed again at the top of the next page 1;...
Page 242 Bit No. Function Remarks End of page mark on all printed pages but the final one If enabled, printed pages are marked as follows 0; Enabled 1; Disabled — An asterisk is printed in the bottom right-hand corner of each page If this feature is enabled, marks (as described —...
Page 243: Jumpers, Test Points, And Vrs
APPENDIX B JUMPERS, TEST POINTS, AND VRs. 1. FCU — Test Points — See the point-to-point diagram Laser Data Transfer Clock See the point-to-point diagram TP3 – 10 VC1 – Do not touch. Not used JP1 – 2. MBU SW1 – Battery switch. Keep closed during operation and open during transportation. 3.
Page 244 5. LDDR VR1 – Do not touch TP1 – + 12V TP2, 3, 4 — Do not use TP5 – XLPDET (Laser power feedback signal) TP6 – COM1 6. SBU TP1 – XVIDEO 7. Power Pack Do not touch any of the VRs. 8.
Page 245 10. MIF All jumpers: Not used 11. NCU Country JP11 JP12 JP13 JP14 JP15 JP16 JP17 JP18 Austria Belgium Denmark Finland France W.Germany Ireland Italy Netherlands Norway Portugal Sweden Switzerland U.K. o : Shorted x : Open B - 3...
Page 246 Ringing detection circuit JP1 — 4, 18: Spark quenching circuit JP5 — 7, 9: Insertion loss improvement JP8: Not used JP10: Return loss JP11: Service mode enable/disable (Shorted = enabled) JP12: HIC2 output level JP13: Arrestor grounding JP14, 15: Inclusion of capacitor across terminals JP16, 17 Not used JP101, 102:...
Page 247: Timing Charts
APPENDIX C. TIMING CHARTS 1. ADF/Scanner SB - 1 Tx Motor SB - 2 ADF Clutch Fluorescent Lamp 1. Two pages, stamper disabled C - 1...
Page 248 2. Two pages, stamper enabled C - 2...
Page 249 2. Printer 1. One-page Reception C - 3...
Page 250 2. Two-page Reception (extension to previous chart) C - 4...
Page 251: Sensor Table
APPENDIX D. SENSOR TABLE Name Type Output H Output L Remarks Document sensor (SB - 1) Photointerruptor No paper Paper Scan line sensor (SB - 2) Photointerruptor No paper Paper Document width sensors (SB - 3A, 3B) Photointerruptors No paper Paper ADF cover switch (SB - 10) Microswitch...
Page 252: Block Diagrams
APPENDIX E. BLOCK DIAGRAMS 1. Overall System Control E - 1...
Page 253 — Scanner and Communication Control — E - 2...
Page 254 — Printer Control — E - 3...
Page 255 2. Video Data Flow — Transmission — E - 4...
Page 256 — Reception — E - 5...
Page 257 — Copying — E - 6...
Page 258 — CCD Drive — E - 7...
Page 259 E - 8...
Page 260 4. Scanner E - 9...
Page 261 5. Communication Control – MIF – E - 10...
Page 262 – NCU – E - 11...
Page 263 6. Printer — Laser Diode Drive —...
Page 264 — Main Scan Synchronization — E - 13...
Page 265 — Fusing Lamp Control — E - 14...
Page 266 APPENDIX F. GLOSSARY OF TERMS Called Subscriber Identification: The phone Automatic Document Feeder: An assembly C S I – ADF – number of the fax machine; used for identifica- used to automatically feed documents into the tion. scanner. DCN – Disconnect: A protocol signal sent by the trans- BSR –...
Page 267 EIO – A Ricoh custom LSI that interfaces the FCP with HD63701 – A cpu made by Hitachi, used as a slave cpu of various components, mainly with the NCU. the HD64180 (see below).
Page 268 Modem Interface: A PCB that interfaces the mo- dem with the NCU and FCU. LDS – Laser Data Synchronizer: A Ricoh custom LSI that generates the clock signal for data output MPS – Multipage Signal: A protocol signal that informs to the laser diode.
Page 269 Non-Standard Facilities: A protocol signal that informs the calling station of the called station’s PMU – Page Memory Unit: This PCB contains page capabilities, otherwise known as Ricoh Group 3. memory for the printer NSS – Non-Standard Set-up: Set up command in PSTN –...
Page 270 FCU. messages in memory at the local terminal. Used in broadcasting, send later, confidential VPP – Video Processing Peripheral: A Ricoh custom reception and substitute reception. Located on LSI that processes and A/D converts the CCD the BSR.

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