Ricoh G092 Service Manual
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Ricoh G092 Service Manual

Ricoh G092 Service Manual

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G081/G092
SERVICE MANUAL
001481MIU
RICOH GROUP COMPANIES

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  • Page 1 G081/G092 SERVICE MANUAL 001481MIU RICOH GROUP COMPANIES...
  • Page 3 ® ® RICOH GROUP COMPANIES...
  • Page 5 G081/G092 SERVICE MANUAL 001481MIU...
  • Page 7 It is the reader's responsibility when discussing the information contained within this document to maintain a level of confidentiality that is in the best interest of Ricoh Corporation and its member companies. NO PART OF THIS DOCUMENT MAY BE REPRODUCED IN ANY FASHION AND DISTRIBUTED WITHOUT THE PRIOR PERMISSION OF RICOH CORPORATION.
  • Page 9 Ricoh Corporation. Users of this manual should be either service trained or certified by successfully completing a Ricoh Technical Training Program. Untrained uncertified users utilizing...
  • Page 11 LEGEND PRODUCT CODE COMPANY GESTETNER LANIER RICOH SAVIN G081 C7116 LP020c CL3000 CLP1620 G092 – – – – DOCUMENTATION HISTORY REV. NO. DATE COMMENTS 2/2003 Original Printing...

  • Page 13: Table Of Contents

    G081/G092 TABLE OF CONTENTS INSTALLATION 1. INSTALLATION ................1-1 1.1 INSTALLATION REQUIREMENTS..............1-1 1.1.1 ENVIRONMENT..................1-1 1.1.2 MACHINE LEVEL ..................1-1 1.1.3 MACHINE SPACE REQUIREMENT............1-2 1.1.4 POWER REQUIREMENTS ..............1-3 1.2 MACHINE INSTALLATION ................1-3 1.2.1 INSTALLING THE PHOTOCONDUCTOR UNIT ........1-3 1.2.2 INSTALLING THE TONER CARTRIDGE ..........1-6 1.2.3 LOADING PAPER..................1-8...
  • Page 14 3.13 FUSING FAN MOTOR..................3-39 3.14 SENSORS......................3-39 3.14.1 FRONT AND RIGHT COVER OPEN DETECTION SWITCHES ...3-39 3.14.2 BY-PASS TRAY HOME POSITION SENSOR AND BY-PASS TRAY PAPER DETECTION SENSOR BOARDS ......3-40 3.14.3 WASTE TONER CARTRIDGE FULL SENSOR .......3-40 3.15 STANDARD PAPER CASSETTE ..............3-41 G081/G092...
  • Page 15 Accessing the Required Program ..............5-2 Inputting a Value or Setting for a Service Program ........5-2 Exiting Service Mode..................5-2 5.2 PRINTER CONTROLLER SERVICE MODE...........5-3 5.2.1 SERVICE (CONTROLLER SERVICE MODES) ........5-3 Bit Switch Settings ..................5-5 Gamma Adjustment ..................5-7 5.3 PRINTER ENGINE SERVICE MODE.............5-10 G081/G092...
  • Page 16 Descriptions .....................6-7 6.3 PRINT PROCESS....................6-8 6.3.1 OVERVIEW ....................6-8 6.3.2 CHARGE ....................6-10 6.3.3 LASER EXPOSURE ................6-11 Laser scanning ....................6-11 Polygon motor and laser exposure ............6-12 6.3.4 TONER SUPPLY..................6-13 Toner cartridge ....................6-13 Paddle shaft switching mechanism............6-14 Toner cartridge and toner end detection...........6-15 G081/G092...
  • Page 17 CMS (Color Management System)............6-46 Gray Correction.....................6-46 BG/UCR (Black Generation/Under Color Removal)........6-46 Gamma Correction ..................6-46 Toner Limitation ....................6-47 Dither Processing and ROP/RIP ..............6-47 6.5 CONTROLLER FUNCTIONS................6-48 6.5.1 SAMPLE PRINT ..................6-48 6.5.2 LOCKED PRINT..................6-48 6.5.3 PAPER SOURCE SELECTION.............6-49 Tray Priority (Auto Tray Select) ..............6-49 G081/G092...
  • Page 18 6.9.3 COMMUNICATION USING BLUETOOTH ..........6-67 Piconet......................6-67 Frequency Hopping Spread Spectrum (FHSS)........6-67 Profiles......................6-68 6.9.4 SECURITY FEATURES................6-68 Public and Private Mode................6-68 PIN Code (Personal Identification Number) ..........6-68 6.10 CONNECTOR PIN DESCRIPTIONS ............6-69 CN1 (on ECB)/CN1 (on LSU) ..............6-69 CN2 (on ECB)/CN3 (on LSU) ..............6-69 G081/G092...
  • Page 19 CN1502 Waste Toner Full Sensor .............6-82 CN2001 AC Line ...................6-82 CN2203 (on IH Power Board) ..............6-82 CN2204 IH Heater ..................6-82 CN1502 Power Switch.................6-82 CN1502 (on Power Supply Board)/CN2207 (on IH Power Supply Board) ....................6-83 CN2506 Side/Front Door Interlock Switch..........6-83 G081/G092...
  • Page 20 SPECIFICATIONS................7-1 1. GENERAL SPECIFICATIONS..............7-1 1.1 SUPPORTED PAPER SIZES..............7-3 2. SOFTWARE ACCESSORIES ..............7-4 2.1 PRINTER DRIVERS ................7-4 2.2 UTILITY SOFTWARE ................7-4 3. MACHINE CONFIGURATION ..............7-5 PAPER FEED UNIT TYPE 3000 G342 SEE SECTION G342 FOR DETAILED TABLE OF CONTENTS G081/G092 viii...

  • Page 21: Important Safety Notices

     IMPORTANT SAFETY NOTICES PREVENTION OF PHYSICAL INJURY 1. Before disassembling or assembling parts of the copier and peripherals, make sure that the printer power cord is unplugged. 2. The wall outlet should be near the printer and easily accessible. 3.
  • Page 22 SAFETY AND ECOLOGICAL NOTES FOR DISPOSAL 1. Do not incinerate toner bottles or used toner. Toner dust may ignite suddenly when exposed to an open flame. 2. Dispose of or recycle as required, used toner, developer, and organic photoconductors in accordance with local regulations. (These are non-toxic supplies.) 3.
  • Page 23 Conventions in this Manual This manual uses several symbols. Symbol What it means Refer to section number  See Core Tech Manual for details  Screw  Connector Lengthwise, SEF (Short Edge Feed) Sideways, LEF (Long Edge Feed)

  • Page 25: Installation

    INSTALLATION PREVENTIVE MAINTENANCE REPLACEMENT AND ADJUSTMENT TROUBLESHOOTING SERVICE TABLES DETAILED DESCRIPTIONS SPECIFICATIONS PAPER FEED UNIT TYPE 3000 G342...

  • Page 27: Installation

    INSTALLATION...

  • Page 29: Installation Requirements

    5 mm.) 9. Do not place the machine where it may be subjected to strong vibration. 1.1.2 MACHINE LEVEL Front to back : Within 5 mm (0.2") of level Right to left : Within 5 mm (0.2") of level G081/G092...

  • Page 30: Machine Space Requirement

    Place the machine near the power source, providing clearance as shown. G081I710.WMF A (left side) : Over 10 cm (4") B (rear) : Over 10 cm (4") C (right side) : Over 55 cm (22") D (front) : Over 75 cm (30") G081/G092...

  • Page 31: Power Requirements

    1. Open the right cover [A] of the printer. NOTE: The machine should NOT be plugged into the power outlet during installation. G081I291.WMF 2. Pull out the green levers on the left and right that are fastening the inner cover [B]. G081I301.WMF G081/G092...
  • Page 32 NOTE: Before proceeding with the actual installation of the development units, observe the locations for each photoconductor unit as shown in this illustration. when ready, continue to step 6 G081I720.WMF on the following page. Photoconductor unit (black) " Photoconductor unit (color) G081/G092...
  • Page 33 G081I390.WMF 8. Repeat steps 4 through 7 to install the color photoconductor unit. 9. Lower the inner cover [B] slowly, applying even pressure. G081I410.WMF G081/G092...

  • Page 34: Installing The Toner Cartridge

    G081I430.WMF 1.2.2 INSTALLING THE TONER CARTRIDGE 1. Open the upper left cover [A] of the printer. 2. Remove the packing tape and foam strips, attached to the tape, located inside. G081I441.WMF G081/G092...
  • Page 35 Toner may spill out. G081I470.WMF 4. Check that the toner color and location are correct, and then insert the toner cartridge vertically and slowly. NOTE: Reading the labels on the printer, you can check the location for each cartridge. G081I481.WMF G081/G092...

  • Page 36: Loading Paper

    1. Pull the paper tray [A] out of the printer until it stops. Then tilt it upwards slightly, and remove it completely. Place it on a flat surface. NOTE: You cannot pull tray 1 out if the by-pass tray is open. G081I930.WMF G081/G092...
  • Page 37 NOTE: Be sure to insert the paper tray correctly. Otherwise, misfeeds may occur, or the front cover may touch the paper tray. Also remember to only use quality and “fresh” laser paper that is suitable for color laser printing. Doing this will help ensure quality and consistent color print results. G081/G092...

  • Page 38: Connecting The Power Cord

    [A] is off. G081I730.WMF 2. Locate and remove the power cord from the machines packing materials. 3. Attach the power cord to the socket on the back of the printer. 4. Plug the other end securely into the socket outlet. G081/G092 1-10...

  • Page 39: Selecting The Panel Display Language

    NOTE: After the machine warms up, “Ready” Ready appears on the panel display. G081I901.WMF 2. Press the Menu key [A]. On Line Menu Escape Enter Power Error Data In G081I937.WMF NOTE: The message appears on the panel Menu: display. Paper Input G081I902.WMF 1-11 G081/G092...
  • Page 40 6. Press the Enter key to select. An asterisk ( will be displayed next to the selected language. Menu: Language G081I903.WMF 7. Press the On Line key or “Menu” key. “Ready” Ready (in the language you selected) appears on the panel display. G081I901.WMF G081/G092 1-12...

  • Page 41: Printing The Test Page

    3. Press the “#” or “$” key to display "List/Test Language: Print." List/Test Print G081I905.WMF 4. Press the Enter key. The message appears on List/Test Print: the panel display. Config. Page G081I906.WMF 5. Confirm that “Config. Page” is on the display, and then press the Enter key. 1-13 G081/G092...

  • Page 42: Adjusting The Image Density

    "Maintenance," then press the Enter key. Maintenance G081I908.WMF Maintenance: 3. Press the “#” or “$” key to display “Image Density”, then press the Enter key. Image Density G081I909.WMF NOTE: The message appears on the panel Image Density: display. Prt. Test Sheet G081I910.WMF G081/G092 1-14...
  • Page 43 10. At this point in the installation turn to section G081I901.WMF 1.3 “Optional Unit Installation” in this manual. Perform any option installation necessary then return to this section and continue to section 1.2.8 “Connecting the Printer to a Computer” found on the following page. 1-15 G081/G092...

  • Page 44: Connecting The Printer To A Computer

    5. Check the LEDs on the Ethernet port. Lights when 100 BASE-TX is in use and does not light when 10 BASE-T is in use " Lights when the printer is securely connected to the network 6. Go to section 1.2.9. G081I935.WMF G081/G092 1-16...

  • Page 45: Connecting The Printer To A Computer Using A Parallel Cable

    Max. DC 5 V. G081I936.WMF 4. Attach the other end of the parallel cable to the parallel port of the computer. Secure the cable. (2 screws) 5. Turn on the printer and the computer. 6. Proceed to 1.2.10. 1-17 G081/G092...

  • Page 46: Configuring The Printer For The Network

    2) Press the “#” or “$” key to display “Active Network Setup: Protocol,” and then press the Enter key. Active Protocol G081I916.WMF 3) Press the “#” or “$” key to display “TCP/IP,” Active Protocol: and then press the Enter key. TCP/IP G081I917.WMF G081/G092 1-18...
  • Page 47 The gateway address is the address of the host or router that acts as a gateway when interacting with work stations in another network. Check the value with the network administrator. If you are not sure of the addresses, do not set them. 1-19 G081/G092...
  • Page 48 “Network Boot.” 7. When all of the settings are done, press the Ready On Line key. “Ready” appears on the panel display. G081I901.WMF Print the configuration page to confirm the settings made. See 1.2.6 for printing the configuration page. G081/G092 1-20...

  • Page 49: Installing The Printer Drivers And Utilities

    7. Click [Finish]. NOTE: A message telling you to restart the computer may appear. In this case, restart your computer to complete the installation. If no message appears, go to step 5. 8. Click Exit. The installation is now complete. 1-21 G081/G092...

  • Page 50: Meter Charge

    The negative counters used in meter charge mode will be reset to zero. NOTE: 1) The default setting for this machine is meter-charge mode off. 2) The meter-charge counter cannot be reset. G081/G092 1-22...

  • Page 51: Optional Unit Installation

    • 128 MB DIMM Memory Unit Type C (G331) • 256 MB DIMM Memory Unit Type C (G332) • NVRAM (User Account Enhancement Unit Type B G311) • Ethernet LAN option for G092 (G355) NOTE: The model G092 is not available in the U.S. market 1-23 G081/G092...

  • Page 53: Preventative Maintenance

    PREVENTIVE MAINTENANCE...

  • Page 55: Preventative Maintenance

    When the machine’s default settings are used, a message is displayed when a maintenance counter reaches the value in the PM table shown on the next page. Important: The customer must clear the maintenance counters for the above items, except the PCUs (the machine automatically detects new PCUs). G081/G092...

  • Page 56: Service Maintenance

    8. Clean all printer rollers with a dampened cloth. Never apply alcohol to the transfer roller. 9. Clean the laser unit windows with a blower brush. 10. Vacuum the interior of the printer. 11. Carefully clean the area surrounding the transfer roller. G081/G092...

  • Page 57: Replacement And Adjustment

    REPLACEMENT AND ADJUSTMENT...

  • Page 59: Special Tools And Lubricants

    Gear and Gear Shafts 52039501 Grease G501 Grounding Spring Plate G0049668 Grease KS-660 Transfer Belt Drive Transfer Cam ( 4 pieces ) 52039501 Grease G501 Unit Planetary Gear Base – B Paper Exit Roller Roller Supporting Portion 52039501 Grease G501 G081/G092...

  • Page 60: Fusing Unit

    • Open the front door. [A]: Fusing unit connector [B]: Release the two fusing unit levers. [C]: Fusing unit. G081R900.WMF NOTE: After removing the fusing unit, use caution not to push the thermostat [D][E]. The thermostat is easily broken. G081R104.WMF G081/G092...

  • Page 61: Transfer Belt Unit

    Slowly close the door, and the upper end of the lever comes off the door. [B]: Lever spring [C]: Left door-hinge (1 hook) [D]: Right door-hinge (1 hook) [E]: Plastic belt [F]: Front door G081R902.WMF G081/G092...

  • Page 62: Transfer Roller Assembly

    [I]: Lock lever spring [J]: Front door lock lever [K]: Plastic belt 3.4.3 RIGHT COVER [A]: Cartridge lever (1 hook,  x 1) [B]: Plastic strap [C]: Right cover (1 hook at the rear end) NOTE: Release the three hinges [D]. G081R906.WMF G081/G092...

  • Page 63: Rear Cover

    G081R907.WMF 3.4.5 LEFT COVER [A]:  x 2 [B]: Release the two hooks. [C]: Release the openings from the two projections. [D]: Left cover with the toner cartridge cover [E] G081R904.WMF G081/G092...

  • Page 64: Top Cover And Lcd Panel

    NOTE: Use caution not to damage the paper exit sensor [E]. This cover is a very precise fit. Use extra caution and work alternately from the right and left sides of the top cover to gradually release the cover from the printer. G081/G092...

  • Page 65: Ecb And Drive Units

    (If the EEPROM on the old board is defective, replace the EEPROM (! 3.10.4).) G081R913.WMF [C]: Engine board small bracket ( x 3,  x 1) [D]: Engine board large bracket ( x 6) [E]: Temperature/humidity sensor board ( x 1) G081/G092...

  • Page 66: Sub Fusing-Fan And Sub Fusing-Fan Duct

    • Rear covers (! 3.4.4) • Left cover (! 3.4.5) • Top cover (! 3.4.4) [A]: Sub fusing-fan ( x 2,  x 1) [B]: Jam detection sensor board ( x 1) [C]: Sub fusing-fan duct ( x 2,  x 2) G081/G092...

  • Page 67: Toner Cartridge Holder

    Lubricate the following parts (Grease G501) when replacing them (values in parentheses indicate the amount of lubricant): G081R973.WMF [A]: Shaft excluding both ends (0.1 cc) [B]: Toner cartridge drive base (indicated with arrows) (0.05 cc x 4) [C]: Gear (0.1 cc x 3) [D]: Gear (0.1 cc) G081/G092...

  • Page 68: Toner Cartridge Drive Unit

    Lubricate the following parts (Grease G501) when replacing them (values in parentheses indicate the amount of lubricant): • The outer cogs on the paper pickup drive gear [C] (0.1 cc) • The shaft on the paper pickup motor bracket [B] (0.05 cc) G081/G092 3-10...

  • Page 69: Main Drive Unit

    • Paper pickup drive motor bracket (! 3.5.5) [A]: Inner cover ( x 2,  x 2) [B]: Fusing unit grounding plate [C]: Main drive unit ( x 7,  x 3) NOTE: There are 2 motor cables [D] and 1 sensor cable [E]. 3-11 G081/G092...
  • Page 70 • The shaft of the right PC idle gear [F] (0.05 cc) • The shafts of the left transfer-unit idle gears [G] (0.05 cc x 2) • The shaft of the right transfer-unit idle gear [H] (0.05 cc) • The inside of the PC bushing [J] (0.1 cc) G081/G092 3-12...
  • Page 71 CAUTION: Replace all PCU gears at the same time with the gears provided in the replacement package. Make sure the gears have the same molding number (see the illustration below). Print quality will be poor if gears of different molding numbers are used. Molding Number PCU Gear Top Side View G081R968.WMF 3-13 G081/G092...
  • Page 72 • The shaft of the fusing unit idle gear [H] (0.05 cc) • The skirt of the left end of the development coupling [J] (0.05 cc x 4) • The inside of the PC bushing [K] (0.1 cc x 1) G081/G092 3-14...
  • Page 73 • The shafts of the planetary gears [J] (0.05 cc x 2) • The inside (0.1 cc) and outside (0.1 cc) of the right end and the inside (0.1 cc) of the left end of the inner gear [L] 3-15 G081/G092...
  • Page 74 501) when replacing them (values in parentheses indicate the amount of lubricant): • The shaft of the transfer pulley gear flange [E] (0.05 cc) • The points " through (0.05 cc x 6) on the tension roller bracket [N] Rear view G081R972.WMF G081/G092 3-16...

  • Page 75: Bias Unit

    (! 3.5.5) • Main drive unit (! 3.5.6) [A]: Fan motor ( x 1,  x 2) [B]: By-pass tray paper detection sensor cable [C]: By-pass tray home position G081R926.WMF sensor cable [D]: Fan motor duct ( x 3) 3-17 G081/G092...

  • Page 76: Laser Scanning Unit

    This printer uses a class IIIb laser beam with a wavelength of 655 nm and an output of 7 mW. The laser can cause serious eye injury. G081/G092 3-18...

  • Page 77: Laser Scanning Unit

    3.7 PAPER FEED 3.7.1 PAPER EXIT • All covers (! 3.4) • Paper pickup motor bracket (! 3.5.5) [A]: Inner cover ( x 2,  x 2) [B]: Duplex unit detection sensor [C]: Duplex unit jam detection sensor board G081R924.WMF 3-19 G081/G092...
  • Page 78 • The shafts on the outer gears [F] (0.05 cc x 6); the cogs on the outer gears [F] (0.1 cc x 2) • The cogs on the coupling gears [H] (0.1 cc x 2) • The shafts on the paper exit gear cover [K] (0.05 cc x 3) G081/G092 3-20...
  • Page 79 [A] (0.1 cc x 2) excluding the gear on the left end G081R927.WMF [B]: Paper exit sub assembly ( x 2) G081R928.WMF [C]: Paper full sensor actuator [D]: Sensor lever spring [E]: Paper jam sensor levers [F]: Paper full/Jam sensor board ( x 1) G081R929.WMF 3-21 G081/G092...

  • Page 80: Disassembly Of Paper Exit Sub Assembly

    " clutch, tab of the registration " & clutch must be fit over hook G081R932.WMF [C]: Paper feed unit ( x 2,  x 2) NOTE: The connectors are at CN18 and CN19 on the engine board. G081R933.WMF G081/G092 3-22...
  • Page 81 [A]: The cogs on the inner gear (0.1 cc x 2) [B]: The shafts on the outer gear (0.05 cc x 2) [C]: The shaft on the gear bracket (0.05 cc x 1) 3-23 G081/G092...

  • Page 82: Paper Feed Unit Disassembly

    [E]: Gear [F]: Plastic washer [G]: Ratchet arm [H]: Feed gear [I]: Idle gear [J]: Screw [K]: Gear bracket [L]: Pickup solenoid G081R940.WMF [M]: Bushing [N]: Bushing NOTE: Unlatch the bushing hook from the pickup roller shaft [O]. G081R941.WMF G081/G092 3-24...
  • Page 83 [B]: Pickup roller shaft with the two pins G081R942.WMF [D]: Spring x 2 [E]: Registration roller [F]: Registration pinch roller [G]: Paper empty/registration sensor board [H]: Registration sensor lever [I]: Lever spring [J]: Paper empty sensor actuator [K]: Varistor G081R937.WMF 3-25 G081/G092...
  • Page 84 [E]: Paper feed unit frame G081R938.WMF [F]: Registration paper guide [G]: Paper guide spring [H]: Pinch roller spring x 2 [I]: Pinch roller shaft NOTE: Slide out the pinch roller shaft in the direction of the arrow shown in this illustration. G081R939.WMF G081/G092 3-26...

  • Page 85: Ih (Inductive Heater) Unit

    [G]: IH harness cover ( x 1) [H]: IH unit ( x 1, 1 washer) NOTE: Pull out the IH harness cable [I] through the opening in cover [J]. [J]: IH shield cover ( x 1, 2 hooks [K]) G081R936.WMF 3-27 G081/G092...

  • Page 86: Electrical Components

    NOTE: Slide out the cover in the arrow direction. [B]: Power supply unit ( x 11,  x 4) NOTE: Move the power supply unit in the arrow " direction, and slide it out in & the direction of the arrow G081/G092 3-28...

  • Page 87: Power Supply Unit Disassembly

    ELECTRICAL COMPONENTS 3.10.2 POWER SUPPLY UNIT DISASSEMBLY [A]: Power supply shield cover ( x 10) [B]: Power supply board ( x 2,  x 6) [C]: IH power supply board ( x 1,  x 5) G081R943.WMF 3-29 G081/G092...

  • Page 88: Main Control Board

    3. Replace the EEPROM (IC5) on the ECB and reassemble the machine. 4. Execute the RAM clear for the engine settings with SP5-801-2. 5. Enter the SP mode changes from the factory in the field. 6. Input the engine serial number with SP-5-811-4. G081/G092 3-30...

  • Page 89: Nvram On The Controller

    This is necessary to prevent unauthorized changing of the product’s destination code. 6. Enter the SP mode data (changes) as indicated on the printer’s original SMC report and the current SMC report printed in Step 1 of this procedure. 3-31 G081/G092...

  • Page 90: Main Control Board Shield Covers

    [A]: Laser scanning unit grounding plate ( x 4) [B]: Main control board shield cover assembly ( x 7) G081R948.WMF [C]: Main board shield cover ( x 7) [D]: Main board shield base cover [F]: Main board guide rail G081R949.WMF G081/G092 3-32...

  • Page 91: High Voltage Board And Registration Sensor Board

    [C]: High voltage board shield cover ( x 4) G081R946.WMF [D]: High voltage board [E]: Spring [F]: Color registration sensor board ( x 2) [G]: Waste toner bottle sensor actuator NOTE: After replacing the color registration sensor board, the color registration values must be reset (SP5-998-002). 3-33 G081/G092...

  • Page 92: Transfer Belt Tension Unit

    NOTE: The cables are wired through the opening of the frame and connected to the 3 connectors CN14, 24, and 25 on the engine control board. Take care not to damage the cables when removing the transfer belt tension unit. G081/G092 3-34...

  • Page 93: Changer Solenoid And Cam Ratchet Solenoid

    [B]: Changer lever [C]: Changer lever spring [D]: Transfer cam home position sensor [E]: Cam solenoid spring [F]: Cam ratchet (with the washer) [G]: Cam ratchet solenoid [H]: Spring supports [I]: Transfer belt tension unit base [J]: Bracket 3-35 G081/G092...
  • Page 94 [D]: The outside of the paper transfer cam (left) (0.2 cc) [E]: The outside of the belt transfer cam (left) (0.2 cc) [F]: The outside of the belt transfer cam (right) (0.2 cc) [G]: The outside of the paper transfer cam (right) (0.2 cc) G081/G092 3-36...

  • Page 95: Pcu Holder

    4. Check that the lines produced by the K PCU and CMY PCU are aligned properly. NOTE: Normally, the color lines (C, M, and Y) produced by the CMY PCU are aligned so closely that they appear as dark-gray lines. G081R103.WMF 3-37 G081/G092...
  • Page 96 NOTE: When repeating the adjustment, place the special tool in the opening first, then loosen the screws [C]. If you loosen the screws first, the previous adjustment may be lost. 11. Power off the printer, wait several seconds, then power the printer back on. Confirm adjustment. G081/G092 3-38...

  • Page 97: Fusing Fan Motor

    [B]: Front door open detection sensor ( x 1) [C]: Safety interlock switches ( x 2,  x 2) NOTE: The connectors are from the power supply unit and CN35 on the engine control board. [D]: Interlock switch bracket ( x 1) G081R956.WMF 3-39 G081/G092...

  • Page 98: By-Pass Tray Home Position Sensor And By-Pass Tray Paper Detection Sensor Boards

    ( x 1) G081R957.WMF 3.14.3 WASTE TONER CARTRIDGE FULL SENSOR • Open the right cover. • Waste toner cartridge [A]: Waste toner cartridge right holder ( x 2) [B]: Waste toner cartridge full sensor board ( x 1) G081R963.WMF G081/G092 3-40...

  • Page 99: Standard Paper Cassette

    [D]: Gear cover (with the sub tray protector [E] and protector spring [F]) ( x 2) [G]: Roller position arm [H]: Cam gear [I]: Right cam [J]: Gear spacer [K]: Idle gear [L]: Pickup roller with gear [M]: Bushing G081R961.WMF 3-41 G081/G092...
  • Page 100 STANDARD PAPER CASSETTE [A]: Cassette gear bracket [B]: Paper exit sensor lever G081R980.WMF [C]: Left cam (1 hook) [D]: Cam shaft [E]: Bushing [F]: Upper cassette paper guide ( x 1, 2 hooks [E]) G081R962.WMF G081/G092 3-42...
  • Page 101 STANDARD PAPER CASSETTE G081R965.WMF [A]: Holder spring [B]: Bypass tray paper holder [C]: Friction pad [D]: Left paper guide [E]: Right paper guide [F]: Tray cover [G]: Paper tray [H]: Paper tray base 3-43 G081/G092...
  • Page 102 Figure-1 [D]: Two springs & " G081R966.WMF [E]: Pinion gear with 2 racks [F] ( x 1) [G]: Right paper guide [H]: Left paper guide G081R967.WMF G081/G092 3-44...

  • Page 103: Troubleshooting

    TROUBLESHOOTING...

  • Page 105: Troubleshooting

    2. If the problem is related to an electrical circuit board, first disconnect then reconnect the connectors before replacing the PCBs. 3. If the problem is related to a motor lock, first check the mechanical load before replacing motors or sensors. G081/G092...

  • Page 106: Sc Code Descriptions

    (not +24V), or pin 12 (CN12 on engine control board) unable to send motor clock • Defective CMY PCU drive motor 1. Replace the CMY PCU. 2. Replace the engine control board. 3. Replace the main drive unit assembly. G081/G092...
  • Page 107 Fusing unit sub-cooling fan (left) error The fusing unit sub-cooling • Voltage between pins 1 and 2 (CN9 on engine fan does not operate. control board) abnormal (not +24V) • Defective sub-cooling fan 1. Replace the engine control board. 2. Replace the sub-cooling fan. G081/G092...
  • Page 108 Fusing unit low voltage error The voltage applied to the • Defective IH power supply board fusing unit is out of the • Defective thermostat normal range. 1. Replace the IH power supply board. 2. Replace the IH unit. G081/G092...
  • Page 109 1. Connect the cable to the paper tray correctly. paper tray is unexpectedly interrupted. EEPROM error Data is not write to or read • Defective EEPROM (IC5) from the EEPROM. • Defective engine control board 1. Replace the EEPROM. 2. Replace the engine control board. G081/G092...

  • Page 110: Controller Error

    Self-diagnostic error – HDD HDD timeout error detected • Poor HDD connection during self-diagnostic. • Defective HDD 1. Check the HDD connection. 2. Replace the HDD. Self-diagnostic error – NIB NIB error detected during • Defective controller self-diagnostic. Replace the controller. G081/G092...
  • Page 111 IEEE802.11b error - card not detected (during operation) Wireless LAN card not • Poor connection detected during operation. • Defective wireless LAN card • Defective controller 1. Check the wireless LAN card connection. 2. Replace the wireless LAN card. G081/G092...
  • Page 112 Electric counter error Abnormal data is stored in • Defective NVRAM the counters. • Defective controller 1. Turn the main switch off and on. 2. Check the connection between the NVRAM and controller. 3. Replace the NVRAM. 4. Replace the controller. G081/G092...
  • Page 113 • Logged data (SP5-990-004) • Printer driver settings used when the problem occurs • All data displayed on the screen (SC code, error code, and program address where the problem is logged.) • Image file which causes the problem, if possible G081/G092...

  • Page 114: Troubleshooting Guide

    Replace the PCU. Defective high voltage supply Replace the high voltage board supply board. Defective laser scanning unit Replace the laser scanning unit. Defective engine control Replace the engine control board board. Defective main board Replace the main board. G081/G092 4-10...

  • Page 115: Missing Cmy Color

    Clean the laser beam path. Transfer belt not contacting Check the belt tension unit. Defective PCU Replace the PCU. Defective transfer roller Repair the transfer roller. Defective fusing unit Replace the fusing unit. Defective engine control Replace the engine control board board. 4-11 G081/G092...

  • Page 116: Repeated Spots Or Lines On Prints

    Replace the PCU. Of any color (not C, M, Dust in the laser beam path Clean the laser beam path. or Y) Defective transfer belt unit Replace the transfer belt unit. Defective fusing unit Replace the fusing unit. G081/G092 4-12...

  • Page 117: White Horizontal Lines Or Bands

    Replace the transfer belt irregular intervals. unit. Defective fusing unit Replace the fusing unit. 4.3.11 DARK IRREGULAR STREAKS ON PRINTS Symptom Possible cause Necessary actions Unexpected streaks appear Defective transfer belt Replace the transfer belt at irregular intervals. unit. 4-13 G081/G092...

  • Page 118: Cmy Color Irregular Streaks

    Defective intermediate or Repair the paper feed unit. registration roller Incorrect action of transfer Check the transfer roller. roller Defective engine control Replace the engine control board board. Defective corner separator Replace the corner separator Defective spring Replace the spring G081/G092 4-14...

  • Page 119: Background Stain

    Images do not come to the Incorrect installation of paper Install the paper correctly. center. Incorrect paper guide Adjust the paper guide position correctly. Incorrect margin setting Adjust the margin setting. Defective engine control Replace the engine control board board. 4-15 G081/G092...

  • Page 120: Electrical Component Defects

    MPT Home Position MPTHOME CN23/3 Sensor Left side of Chassis (front side) MPT Paper Empty MPPSEN CN23/5 Sensor Waste Toner Full TBFUL CN27/1 By Power Switch Sensor Left Side Color Color Registration SNS_L CN27/4 Registration Sensor Sensor Board G081/G092 4-16...
  • Page 121 This indicates that when the Right Door is Open this device is active and the voltage state at CN7/1 will be “High,” in this case 5 volts dc. If you require the “Ready” condition values refer to the G081/G092 Connector Layout Tables located on the back of your Point-to-Point.

  • Page 122: Blown Fuse Conditions

    Rating Fuse Symptom when turning on the main switch 120 V 220 – 240 V IP101 1.5 A/50 V 1.5 A/50 V No response 4.6 LEDS No LEDs are used for this model (except for the Network Interface). G081/G092 4-18...

  • Page 123: Service Tables

    SERVICE TABLES...

  • Page 125: Service Program Mode

    Method 2: Press the “Up/Down arrow” keys together for about 5 seconds, release, then immediately press the “Enter” key. The same message as described in Method 1 is displayed. NOTE: The machine automatically goes off line when you enter the service mode. G081/G092...

  • Page 126: Accessing The Required Program

    The previous value remains if the “Enter” key is not pressed. Exiting Service Mode Select “3. End” from the service mode main menu, then press the “Enter” key. NOTE: To make the settings effective, turn the main switch off and on after exiting service mode. G081/G092...

  • Page 127: Printer Controller Service Mode

    Selects the printing mode (resolution) for the printer gamma adjustment. When selecting a print mode, 600 x 600 Text an asterisk (*) is displayed in the front of the mode. 1200 x 600 Text 600 x 600 Photo 1200 x 600 Photo G081/G092...
  • Page 128 Adjusts the maximum toner amount for image development. [100 to 400 / 260 / 1%/step] TonerLimitText [100 to 400 / 260 / 1%/step] [FactoryTestPrt] Factory Test Page Print – SP1107 Image Density Prints the image density test page for the factory line. G081/G092...

  • Page 129: Service (Controller Service Modes)

    00001000 stored. bit3 G081S508.WMF 9. Press the escape key 3 times. SYSTEMver V.0.24 1.Service 10. Select “3. End.” G081S509.WMF SYSTEMver V.X.xx 3.End 11. Power the printer off, and after several seconds, power back on, in order to activate settings. G081/G092...
  • Page 130 Displays or not displays error messages No. E1 and higher (RPDL, R16, R55, R98, GL/GL2). [0: Displays, 1: Not displays] DFU Changes the tray setting (GL/GL2). [0: LP, 1: MFP] DFU Changes the default tray. [0: LP (Tray 1), 1: MFP (System default)] DFU G081/G092...

  • Page 131: Gamma Adjustment

    The color adjustment sheet is as follows. G081S914.PCX For each color, you can adjust 15 density levels (adjustment points) (example [A]) between 0 (lowest density) [B] and 255 (highest density) [C]. For each adjustment point, you can adjust the density between values 0 and 255. G081/G092...
  • Page 132 7. When “Execute OK” is displayed, press the Escape key 2 times to exit from the menu. (You are then returned to the “PrnColorSheet” in the controller service menu.) 8. Use the down arrow key to select “ToneCtlValue” and press the Enter key. G081/G092...
  • Page 133 11. When the adjustment results are satisfactory, do the following: 1) Use “SP1105 ToneCtlSave” in the controller service menu, to store the new settings in the controller. G081/G092...
  • Page 134 NOTE: The new settings will not be saved in the controller NVRAM unless you reset the controller. Entering SP1101 ToneCtlSet allows you to select the “Factory” (SP1101- 001), “Previous” (SP1101-002) or “Current” (SP1101-001) controller settings. G081/G092 5-10...

  • Page 135: Printer Engine Service Mode

    Ready temperature = (Fusing temperature + Thin 100 Temperature specified in this SP mode. Thin 124 Thin 50 [ 0 ~ 20 / 10 / 1 C/step ] Card 1-105-12, 13: DFU (used in Japan only) Envelope Coated Paper 5-11 G081/G092...
  • Page 136 The fusing temperature is depended on the PostCard Doc paper type. PostCard Adr Ready temperature = (Fusing temperature + Temperature specified in this SP mode. [ 0 ~ 20 / 10 / 1 C/step ] 1-105-12, 13: DFU (used in Japan only) G081/G092 5-12...

  • Page 137: Sp2-Xxx (Drum)

    [ 0 ~ 30 / 15 / 63.16 V/step ] N 50 Thin 100 Thin 124 Thin 50 OHP B Card B Envelop 1 B Coated Paper B Label B PostCard Doc (Postcard Document) PostCard Adr (Postcard address) Other 1 100 Other 1 124 Other 1 50 5-13 G081/G092...
  • Page 138 PRINTER ENGINE SERVICE MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Other 2 100 Other 2 124 Other 2 50 Envelop 2 B G081/G092 5-14...

  • Page 139: Sp5-Xxx (Mode)

    [10 ~ 1F / 25 / 1/step] 305* [Energy Saver] Enable/Disable Activates energy saver level 2. [0 ~ 1 / 0 / 1/step] • 0: Enables • 1: Disables Auto Off Time [180 ~ 14400 / 3600 / 60 s/step] 5-15 G081/G092...
  • Page 140 FAX TEL No. Sets the fax or telephone number for a service representative by using the enter key and the down arrow key. [0 ~ 0 / 0 / 0/step] Both numbers and alphabetic characters can be input. G081/G092 5-16...
  • Page 141 Sets the maximum value for the wireless LAN channel adjustment. DFU [1 ~ 11 or 13 / 1 / 1 /step] Europe/Asia: 1 to 13 USA: 1 to 11 Note: Do not change the setting, or the machine may be out of compliance with local regulations. 5-17 G081/G092...
  • Page 142 [ 0 or 1 / 0 / - ] 907* [Plug/Play] Plug and Play Plug/Play Specifies the Plug and Play setting. [0 ~ 6 / 0 / 1 /step] • 0: RICOH • 1: SAVIN • 2: GESTETNER • 3: NRG • 4: LANIER [Printable Area] Extended Enlarges the width of the printable area.
  • Page 143 Middle thick: Use this for normal paper Thick: Use this for paper heavier than 105 g/m2 (28 [EnvelopeType] Bypass Tray Selects the default envelope type from "Envelope 1 (default)" or "Envelope 2". [DebugSerial] DebugSerial [0 ~ 0xff / 0x00 / 0 /step] DFU 5-19 G081/G092...
  • Page 144 [ENG Mem Clear] Engine Memory Clear Color Mis-Reg Clears the correction values for the color registration. Do this SP mode after replacing the color registration board. The correction values are set after the main power has been turned on. G081/G092 5-20...

  • Page 145: Sp7-Xxx (Data Log)

    Fuser : OFF2 Paper does not pass the fusing exit sensor. Exit : ON Paper does not reach the exit sensor. Exit : OFF1 Paper reached the exit sensor and then paper backed the fusing unit. 5-21 G081/G092...
  • Page 146 Displays how much toner remains in the bottle. [0 ~ 1 / 100 / 1 %] TonerRest:C TonerRest:M TonerRest:Y [SC/Jam Clear] SC/Jam Clear Clears the counters related to SC codes and paper jams. [0 ~ 1 / 0 / 0 /step] G081/G092 5-22...
  • Page 147 Displays the threshold of the number of pages for the alert display for each maintenance unit. PC(YMC) Page TC(K) starter TC(K) option TC(CMY) starter TC(CMY) option Fusing Page Trans Page [Firmware PN] Firmware Part Number display Controller Displays the part number. Bluetooth RPCS RPDL PCLXL 5-23 G081/G092...
  • Page 148 PRINTER ENGINE SERVICE MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) MSIS MSIS (OPTION) Printer [Firmware Ver.] Firmware Version display Controller Displays the firmware version. Engine Bluetooth RPCS RPDL PCLXL MSIS MSIS (OPTION) Printer G081/G092 5-24...

  • Page 149: Input Check Table

    [Dpx Unit] Duplex Unit Sensor Duplex Unit Sensor No unit Duplex unit detected [Fusing JAM] Fusing Exit Sensor Fusing Exit Sensor Paper detected No paper [Fusing Roller] Fusing Roller Rotation Sensor Fusing Roller Rotation Sensor Not rotating Rotating 5-25 G081/G092...
  • Page 150 [PC(K) First] Resistance of new PCU detection Data range: 0 to 1024, Unit:3.3/1024V [PC(YMC) First] Resistance of new PCU detection Data range: 0 to 1024, Unit:3.3/1024V [PC_Temp] 0-7 PCU Temperature Sensor Data range: 0 to 60, unit: 1 G081/G092 5-26...

  • Page 151: Output Check Table

    Turns the tray 3 feed motor ON with the process speed (124mm/s) of 124 mm/s. Tray 3 Feed Motor Turns the tray 3 feed motor ON with the process speed (50mm/s) of 50 mm/s. Tray 3 Feed Motor Turns the tray 3 feed motor OFF. (OFF) 5-27 G081/G092...
  • Page 152 Turns the CMY motor ON with the process speed of 50 mm/s. CMY Motor (OFF) Turns the CMY motor OFF. Toner Supply Solenoid Turns the toner supply solenoid on. Toner Supply Solenoid Turns the toner supply solenoid off. G081/G092 5-28...

  • Page 153: Firmware Update Procedure

    Controller System Firmware: If a download attempt failed, you must boot up the machine from the PCMCIA memory card. To do this, DIP SW 1 on the controller board needs to be ON. The machine automatically starts upgrading the firmware. 5-29 G081/G092...

  • Page 154: Controller/Engine Firmware Upgrade

    PCMCIA memory card. After this, resume upgrading. 8. Press the On Line Key. "Updating" is displayed, Updating... followed by underscores. ---------------- G081S522.WMF 9. Check that the asterisks replace underscores Updating... one by one. ------------- G081S523.WMF G081/G092 5-30...

  • Page 155: Controller System Firmware

    "Close Front and/or Right Cover" is displayed. In this case, turn the main switch off, and fully insert the PCMCIA memory card. When completed, resume upgrading. 8. Press the On Line key. "Verifying Data" is Verifying Data displayed. Next, "Checking Controller" is displayed. G081S526.WMF Checking Controller G081S527.WMF 5-31 G081/G092...
  • Page 156 15. Repeat steps 6 through 11. When the main Network Support switch is turned on (step 6), "Network Support" is displayed (step 7). 16. Remove the PCMCIA memory card. G081S531.WMF 17. Attach the cover [A]. 18. Close the front door. G081/G092 5-32...

  • Page 157: Power On Self-Test

    Error Logged Real Time Clock SC826 Detailed Check Real Time Clock Check SC826 Font ROM Sum Check Network Check Error Logged Error Logged Engine I/F Check Error Logged Interrupt Check Error Logged Memory Chip Check Error Logged G081S516.WMF 5-33 G081/G092...

  • Page 158: Detailed Self-Diagnostics

    Others are executed only when a printing job is coming in to the printer, when the Primary error check printer goes in to the printing status. Belt tension unit cam position check Toner cartridge check By-pass tray check Color adjustment Ready Printing G081S517.WMF G081/G092 5-34...

  • Page 159: User Program Mode

    NOTE: *1. Meter charge mode must be ON in SP mode. *2. Option HDD required *3. ROM Update is not currently used. *4. IEEE802.11b option required *5. Displayed after pressing [Enter], [Escape] and then [Menu] *6. Duplex unit option required. *7. IEEE1394 option required. 5-35 G081/G092...

  • Page 160: Dip Switches

    2 to 4 Factory Use Only: Keep these switches OFF. If a download attempt failed, you must boot the machine from the PCMCIA memory card. To do this, set DIP SW 1 on the controller board to ON. G081/G092 5-36...

  • Page 161: Detailed Descriptions

    DETAILED DESCRIPTIONS...

  • Page 163: Detailed Section Descriptions

    [E]: Power supply unit [P]: Engine control box [F]: Y toner cartridge [Q]: AC inlet [G]: M toner cartridge [R]: Transfer belt unit [H]: C toner cartridge [S]: Transfer belt tension unit [I]: BK toner cartridge [J]: Fusing unit G081/G092...

  • Page 164: Paper Path

    During duplex printing, paper is sent to the paper exit [A], and fed into the duplex unit. Having passed through the paper path in the duplex unit [G], the paper goes to the transfer roller, fusing unit, and paper exit. G081/G092...

  • Page 165: Drive Mechanism

    • Black PCU • All four toner cartridges • Transfer belt unit • Transfer belt tension unit • Paper feed (standard cassette) • Fusing unit The by-pass feed motor (stepper motor) drives the following • Bypass tray • Optional duplex unit G081/G092...

  • Page 166: Bk Motor Drive

    Rotation to the black PCU is controlled by the BK solenoid [A]. When the BK solenoid is turned on, the BK clutch arm [B] unlatches from the gear in the switching gear unit [H], and BK motor rotation is not transmitted from the switching gear unit to the black PCU. G081/G092...

  • Page 167: Cmy Motor Drive

    The CMY motor drives the following gears: Yellow PCU (for development) Yellow PCU (for OPC rotation) Magenta PCU (for development) Magenta PCU (for OPC rotation) Cyan PCU (for development) (10) (11) (12) (13) (14) Cyan PCU (for OPC rotation) G081D914.WMF G081/G092...

  • Page 168: Board Structure

    Only one of the IEEE1394 interface board, IEEE802.11b wireless LAN board, and Bluetooth wireless interface can be installed. If any of these are installed, the USB2.0 board must be removed. The main control board (controller) connects to the ECB through the video interface bus. G081/G092...

  • Page 169: Descriptions

    • Downloading forms for form overlay 6. Memory DIMM (Standard: 64MB DRAM, Option: 64/128/256MB DRAM) This is for additional printer processing memory, used for collation and for soft fonts. 7. Operation Panel Board This controls the display panel, the LED, and the keypad. G081/G092...

  • Page 170: Print Process

    [F]: Paper tray (optional unit) [B]: Charge roller Y, M, C, K [G]: Paper tray (optional unit) [C]: OPC drum Y, M, C, K [H]: By-pass tray [D]: Transfer belt [I]: Transfer roller [E]: Paper tray (main unit) [J]: Fusing unit G081/G092...
  • Page 171 The transfer applies a positive bias to the “back” of the paper which transfers the toner to the paper. Fusing The paper advances to the fusing unit [J], where heat and pressure permanently bond the toner to the paper. The paper is then fed out of the machine. Paper exit G081/G092...

  • Page 172: Charge

    The charge rollers [A] contact the OPC drum [B] surfaces. The charge on the roller is about –1100 V, (depending on the ambient temperature and selected print resolution). This applies a uniform negative charge of about -600 volts to the photoconductive drums. G081/G092 6-10...

  • Page 173: Laser Exposure

    At the start of each horizontal scan, the horizontal synchronization mirror [F] deflects the laser beam to the horizontal synchronization sensor [D]. Synchronization is done for the black laser beam only. The other lines depend on the line position adjustment. 6-11 G081/G092...

  • Page 174: Polygon Motor And Laser Exposure

    Laser output power is either 0.25 mW or 0.4 mW depending on whether the printer is printing the 1200-dpi mode or 600-dpi mode. Safety switch The LSU safety interlock switch interrupts power to the laser if either the front or right cover is open. G081/G092 6-12...

  • Page 175: Toner Supply

    The toner is agitated by the agitator [B] in the cartridge, and goes out to the PCU [D]. In the PCU, the toner supply paddle shafts [C] agitates the toner, and an auger is used to distribute the toner evenly. 6-13 G081/G092...

  • Page 176: Paddle Shaft Switching Mechanism

    During color printing, the ratchet releases the gear, and the paddle shafts in the C, M, and Y PCUs are allowed to operate. The toner supply paddle shaft [D] in the black PCU operates during both monochrome and color printing. G081/G092 6-14...

  • Page 177: Toner Cartridge And Toner End Detection

    The message(s) is/are cleared after the toner cartridge(s) is/are set and the upper left cover is closed. Once the message(s) is/are cleared, toner cartridge detection is not resumed until the upper left cover is opened and closed or until the main switch is turned off and on. 6-15 G081/G092...
  • Page 178 The machine will not print if the monochrome toner cartridge is empty even if the color cartridges contain toner. NOTE: 0.26-billion pixels are equivalent to 154 sheets of A4/LT paper (at 5% coverage); 1.17-billion pixels are equivalent to 695 sheets of A4/LT paper (at 5% coverage). G081/G092 6-16...

  • Page 179: Development

    The toner supply roller supplies a layer of toner to the development roller. The doctor blade [B] smoothes the toner, ensuring the toner is evenly distributed on the development roller surface. A gear-driven wire paddle [H] agitates the toner and keeps it moving towards the development roller. 6-17 G081/G092...
  • Page 180 PCU is seen as a new one and the PCU counter is set to "0." The fuse automatically opens when 250 sheets are printed out. If the fuse does not open, this symptom is regarded as an error (bits 6 and 7, SP5-994). G081/G092 6-18...

  • Page 181: Transfer Belt Unit Drive

    • Phase 3–Continuous printing (180-degree position) – the belt stays in this position during the job • Phase 4–Last-page printing (270-degree position) – this phase begins after the toner images for the final page have been transferred from the OPCs 6-19 G081/G092...

  • Page 182: Four Phases

    When the shaft does not return to its home position, the cam solenoid turns on (and off) several times, transferring the BK motor power to the shaft. If this action does not return the shaft to its home position, “SC 471” appears on the operation panel. G081/G092 6-20...

  • Page 183: Monochrome Printing And Color Printing

    [“K” on page 6-19] does not slide forward. Only the belt transfer roller below the black OPC belt is G081D102.WMF lifted, and the transfer belt contacts the black OPC drum [N] only. [N]: Black OPC drum 6-21 G081/G092...
  • Page 184 The belt transfer rollers below all OPC drums [O] are lifted, and the transfer belt contacts all OPC drums. G081D103.WMF [O]: Yellow, magenta, and cyan OPC drums G081/G092 6-22...

  • Page 185: Belt Transfer And Cleaning

    [E] charged to about +700 volts (belt transfer voltage). This roller transfers the toner from the OPC drum to the transfer belt. All color layers are transferred in one rotation of the transfer belt. 6-23 G081/G092...

  • Page 186: Transfer From Belt To Paper

    Transfer roller bias Charged with a positive voltage (about +1400 volts), the transfer roller attracts the toner from the transfer belt to the paper. This voltage depends on the ambient temperature and humidity, print speed, and paper type. G081/G092 6-24...

  • Page 187: Belt Cleaning

    [E] to prevent “ghosting” on the next print. The removed toner (waste toner) is transported through the cleaning unit by the spiral shaft, and is collected in the waste toner bottle ( ) 6.3.8). 6-25 G081/G092...

  • Page 188: Mechanism

    The waste toner bottle is lifted by a mechanical link when the right cover [G] is closed. The cartridge has five contact blades [F]. Each contact blade pushes open one waste toner gate [E], releasing the waste toner. G081/G092 6-26...

  • Page 189: Sensor

    To keep the waste toner level, the waste toner bottle vibrates each time the transfer belt drive unit turns 90 degrees. The interface roller on the belt tension unit (! 6.3.6) creates this vibration when it turns. 6-27 G081/G092...

  • Page 190: Fusing

    [G], and the melted toner is bonded to the paper. When the paper exits the fusing unit, it advances to the exit tray. The fusing jam detection sensor [H] detects the paper. A heat roller rotation sensor is used to ensure that the heat roller is rotating. G081/G092 6-28...

  • Page 191: Circuit Board

    Pressure roller Thermistor 1 and thermistor 2 Paper Encoder NOTE: Thermistor 1 is located in the middle of the fusing belt; thermistor 2 is located towards the rear of the fusing belt. Both Thermistors open at 185 °C. 6-29 G081/G092...
  • Page 192 The table lists the pin locations. (Refer to illustration on pg. 6-29.) Signal Pin No. In/Out Remarks Name CN15 CN1601 CN15 CN1601 Detects the fusing unit ROTATE rotation CN15: On engine control board CN1601: On fusing unit G081/G092 6-30...
  • Page 193 NOTE: If several sheets of narrow-width paper are continuously fed, the temperature at the ends of the belt become much higher than the temperature in the middle. Thermistor 2 (TH2HIGH) prevents the ends of the belt from overheating. 6-31 G081/G092...

  • Page 194: Fusing Temperature Control

    Signal off IHPOWER Signal on Signal off IHON The timing chart for the zero cross detection signal NZCROSS and IH drive signal IHON is as shown below. IHON NZCROSS Threshold 20 msed (50 Hz) 16.7 msec (60 Hz) G081D917.WMF G081/G092 6-32...
  • Page 195 T indicates the target fusing temperature. In the 600-dpi printing mode, T is about 175°C. The fusing belt temperature is different for the 1200-dpi printing mode, thick-paper printing mode and transparency-printing mode. When the printer is idle, IHPOWER is off, and the fusing belt is not heated. 6-33 G081/G092...

  • Page 196: Paper Feed

    [H]: Paper size detection switch [S]: Pickup roller (by-pass tray) [I]: Standard tray (main unit) [T]: One-way roller [J]: Pickup roller (optional unit) [U]: Duplex paper feed roller (located [K]: Paper tray (optional unit) on optional duplex unit) G081/G092 6-34...

  • Page 197: Drive Motors

    Note that toggle 3 is always pushed when the tray is set. Toggle Letter Legal switch Toggle 1 Toggle 2 Toggle 3 NOTE: H (=high) indicates the switch is not pushed; L (=low) indicates the switch is pushed. 6-35 G081/G092...

  • Page 198: Registration Clutch

    During a monochrome print job, the machine changes the speed if there is a page with color in the middle of the job. However, it will not change the speed if there is a monochrome page in the middle of a color print job. G081/G092 6-36...

  • Page 199: Standard Tray Lock Mechanism

    As the actuator releases the mechanical link [C], the bar [B] on the tray goes through the opening [A] of the front door, and engages with the frame. This prevents the paper tray from being pulled-out of the machine while the by-pass tray cover is open. 6-37 G081/G092...

  • Page 200: Paper Exit And Paper Switchback

    The printed paper is sent to the exit tray face down. The paper overflow sensor is below the paper exit roller. This sensor detects whether the output tray is full. If the tray is full, a message appears on the display. G081/G092 6-38...

  • Page 201: Duplex Printing Mode (Paper Switchback)

    • The BK motor drives the paper exit roller. As the paper is positioned above the exit roller, it is fed through in the opposite direction. • The junction gate moves back to its home position. The paper passes through the duplex unit, which then feeds the paper to the registration roller. 6-39 G081/G092...

  • Page 202: Color Point Adjustment

    One or more main-scan start positions are shifted. G081D954.WMF Before After Sub-scan start position control This adjustment is done when the sub-scan positions of the four colors are not arranged at regular intervals. One or more sub-scan start positions are shifted. G081D955.WMF Before After G081/G092 6-40...

  • Page 203: Adjustment Timing

    • Just after the main switch is turned on. • The number of output sheets has reached the value specified with SP5–993 (default: 250 sheets) during or at the end of the preceding job. (The adjustment is done before the next job starts.) 6-41 G081/G092...

  • Page 204: Controller

    4 MB mask ROM for storing internal printer fonts 6. ROM DIMM (2 slots) : The DIMM installed in the machine includes 8 MB flash ROM programmed for system, printer, PCL5c, PS3, and RPCS applications. The remaining DIMM slot is used for the Bluetooth Option. G081/G092 6-42...
  • Page 205 The system and application software for the following boards can be downloaded from the Controller PCMCIA memory card. • Controller (Flash ROM and flash ROM DIMM) • Engine For details on downloading software from an PCMCIA memory card, see Service Tables – Firmware Update Procedure. 6-43 G081/G092...

  • Page 206: Board Layout

    CONTROLLER 6.4.2 BOARD LAYOUT Flash NVRAM I/F Flash Mask ROM IDE I/F (HDD) ASIC (COMIC) ASIC (KLAVIER) SD RAM DIMM I/F x2 G081D922.WMF G081/G092 6-44...

  • Page 207: Print Data Processing

    (Matching by Host) RGB 8 bit PCL Driver Decode & Scale 8bit Color 8 bit Matching ICM Engine/ ICM profile 8bit Dithering 8bit & Correction 1bit CMYK • BG/UCR, 1 bit • Gray Correction • Toner Limitation G081D938.WMFF 6-45 G081/G092...

  • Page 208: Ps3 Driver

    CMY data is replaced with K data by the BG/UCR algorithm. Gamma Correction The printer gamma can be adjusted using a controller SP mode (Gamma Adj.). For CMYK, their are15 adjustment points between 0 and 100%. The corrected gamma data is stored in NVRAM. G081/G092 6-46...

  • Page 209: Toner Limitation

    8-bit data to 1-bit data. However, these dither patterns create the illusion of 256 gradations for high quality prints. The optimum dither pattern is selected depending on the selected resolution. RIP: Raster Image Processing ROP: Raster Operation 6-47 G081/G092...

  • Page 210: Controller Functions

    • The maximum number of pages is 1,000. This number includes those jobs using sample print and collation. • Locked print uses the same hard disk partition as sample print and collation, which is 6.0 GB. G081/G092 6-48...

  • Page 211: Paper Source Selection

    Manual Tray Select If the selected tray does not have the paper size and type specified by the driver, the controller stops printing until the user loads the correct paper. 6-49 G081/G092...

  • Page 212: Manual Tray Select

    “Priority Tray.” Tray 3 (Optional) Bypass Feed G081D941.WMF Manual Tray Select The machine prints from the selected tray even if the paper size and type do not match the setting specified within the driver’s settings. G081/G092 6-50...

  • Page 213: Acs (Auto Color Sensing) Mode

    15 seconds to switch modes. If ACS is off and color mode is selected, all data is printed with the transfer belt positioned against all four drums. The belt does not move even if a K only page appears. 6-51 G081/G092...

  • Page 214: Energy Saver Mode

    15.5 sec. 25.0 sec. 28.0 sec. Printing Energy saver mode off Energy saver mode 1 Energy saver mode 2 5, 15, 30, 45, or 60 min. Time Start of energy End of saver mode 2 print job G081D929.WMF G081/G092 6-52...

  • Page 215: Ieee1394 Interface

    IEEE1394 network. IEEE1394 cables can be either 4-pin (data only) or 6-pin (data and power). IEEE1394 allows either 6-pin or 4-pin connectors. However, this machine only uses the 6-pin style connector. The machine has two 6-pin ports. 6-53 G081/G092...

  • Page 216: Block Diagram

    • EEPROM: 256-byte ROM 6.6.4 PIN ASSIGNMENT Pin assignment Pin 1 Pin 4 Pin 1 Pin 2 Pin 3 Pin 5 Pin 6 Pin 6 G081D951.WMF Pin No. Signal Description Cable Power Receive strobe Transmit data Receive data Transmit strobe G081/G092 6-54...

  • Page 217: Remarks

    • Try to find out where in the chain the problem is occurring. Test the machine one-to-one with the computer to determine if the printer is defective (when the printer’s interface cable is plugged in, the computer should see “Printer Ready,” when the cable is disconnected, the computer should see “Offline”). 6-55 G081/G092...

  • Page 218: Ip Over 1394

    NOTE: 1) Windows XP is the only OS which supports IP over 1394. (Windows 9X/ME/2000 & Windows NT4 can also be used when used in combination with SmartNet Monitor.) 2) Windows XP and 2000 support IEEE1394 SCSI printing. G081/G092 6-56...

  • Page 219: Usb

    480 Mbps (high speed). Up to 127 devices can be connected and six cascade connections are possible. Power is supplied from the computer, and the maximum cable length is 5 m. 6-57 G081/G092...

  • Page 220: Usb Connectors

    The controller has a type “B” receptacle (CN10). Flash Controller Board NVRAM Opton I/F Flash HDD Interface ASIC ASIC (KLAVIER) (COMIC) USB Board SD RAM DIMM I/F x2 G081D932.WMF Pin No. Signal Description Wiring Assignment Power Data – White Data + Green Power GND White G081/G092 6-58...

  • Page 221: Remarks

    Data rates can also be adjusted using the UP (User Program) mode “USB Setting” in the Host Interface in the System menu. This mode can be accessed only when the “Enter”, “Escape”, then “Menu” keys are pressed (individually, not together) to enter the UP mode. 6-59 G081/G092...

  • Page 222: Ieee802.11B (Wireless Lan)

    (divided over 14 channels, 2400 to 2497 MHz for each channel) NOTE: The wreless LAN access cannot be active at the same time as the Ethernet port. The “LAN Type” setting in the Host Interface menu determines which LAN interface will be used. G081/G092 6-60...

  • Page 223: Block Diagram

    Interface Board PCMCIA 802.11b Engine Card Bus PCMCIA Card Controller Control Board LED2 (Orange) LED1 (Green) Controller Board G081D946.WMF LED Indicators DESCRIPTION LED1 (Green) Link status Link success Link failure LED2 (Orange) Power distribution Power on Power off 6-61 G081/G092...

  • Page 224: Transmission Mode

    This arrangement is used for topologies that are more complex. • The wireless LAN client must use the same SSID (Service Set ID) as the access point in order to communicate. G081/G092 6-62...

  • Page 225: Security Features

    NOTE: The WEP key can be set using the web status monitor or telnet. MAC Address If the infrastructure mode is used, access to the network can also be limited at the access points using the MAC address. This setting may not be available with certain types of access points. 6-63 G081/G092...

  • Page 226: Troubleshooting Notes

    To avoid interference with neighboring channels, a separation of 3 channels is recommended. For example, if there are problems using channel 11 (default), try using channel 8. 25 MHz 25 MHz Channel 2,412 2,437 2,462 G081D949.WMF G081/G092 6-64...

  • Page 227: Troubleshooting Steps

    2) Check the communication status. If the communication status is poor, bring the machine closer to the access point. Additionally, check for any obstructions between the machine and the access point. If the problem cannot be solved, try changing the channel setting. 6-65 G081/G092...

  • Page 228: Bluetooth (Wireless)

    • A Bluetooth device can connect to other Bluetooth devices without any special settings. Standard applied: Bluetooth 1.1 (Bluetooth Special Interest Group) Data transfer rates: 1 Mbps Bandwidth: 2.4GHz Frequency Hopping Spread Spectrum (FHSS) 6.9.2 BLOCK DIAGRAM Interface Board PCMCIA Bluetooth Card Bus PCMCIA Card Controller Controller Board G081D924.WMF G081/G092 6-66...

  • Page 229: Communication Using Bluetooth

    The Bluetooth device divides 2402 to 2480 MHz into 79 channels of 1 MHz width, and changes the channel 1600 times per second. If other devices in the LAN are using the same radio band, Bluetooth can avoid interference from the other devices. Time Channel 3 Channel 1 Channel 2 G081D925.WMF 6-67 G081/G092...

  • Page 230: Profiles

    When the PIN code is used, the PC connects to the device that sent the PIN code. The PIN code is a 4 digit number. This machine uses the last four digits of the machine's serial number. It cannot be changed. G081/G092 6-68...

  • Page 231: Connector Pin Descriptions

    Pin No. In/Out Signal Name Description +24V +24V 24VGND Ground NPMCTL Motor Control NPMLD Motor Lock Detect PMCLK Motor Clock CN3 (on ECB)/CN2 (on LSU) Pin No. In/Out Signal Name Description 5VGND Ground NHSYNC Horizontal Sync. +5VGND Ground 6-69 G081/G092...

  • Page 232: Cn5 (On Ecb)/Cn1 (On High Voltage Board)

    Ground CN8 Power Supply Unit Fan Pin No. Signal Name Description In/Out FANPWR +24V 24VGND Ground PSFNERR Power Supply Fan Error CN9 Fusing Fan Pin No. Signal Name Description In/Out FSRFNERR Fusing Fan Error 24VGND Ground FANPWR +24V G081/G092 6-70...

  • Page 233: Cn10 (On Ecb)/Cn1503 (On Toner Empty Sensor Board)

    Start for BK Motor NPIKMON (PIK) Start for CMY Motor ITMCLK (IT) Clock for BK Motor PIKMCLK (PIK) Clock for CMY Motor GND (IT) Ground GND (PIK) Ground ITMG (IT) Gain for BK Motor PIKMG (PIK) Gain for CMY Motor 6-71 G081/G092...

  • Page 234: Cn13 (On Ecb)/Cn1509 (Pcu Home Sensor)

    Heat Roller Rotation ROTATE Detect NFSRJAM Fusing Jam +5V_FSR Ground CN17 (on ECB)/CN1505 (on Paper Full/Jam Sensor) Pin No. In/Out Signal Name Description CN17 CN1505 CN17 CN1505 EXITFULL Paper Output Tray Full NEXTJAM Paper Exit Jam Ground +5V_EXIT G081/G092 6-72...

  • Page 235: Cn18 (On Ecb) / Cn1506 (On Paper Empty/Registration Sensor)

    BK Solenoid Drive Line CN22 Paper Pickup Motor Pin No. Signal Name Description In/Out OUTB- Paper Pickup Motor Drive Pulse OUTB Paper Pickup Motor Drive Pulse OUTA- Paper Pickup Motor Drive Pulse OUTA Paper Pickup Motor Drive Pulse 6-73 G081/G092...

  • Page 236: Cn23 (On Ecb)/Cn1507 (On By-Pass Tray Paper Detection Sensor)/Cn1512 (On By-Pass Tray Home Position Sensor)

    CN25 TB Unit Cam Switching Solenoid Pin No. Signal Name Description In/Out ITSOL1 Cam Switching Solenoid Drive Line SOLPWR +24V CN26 Switchback Solenoid Pin No. Signal Name Description In/Out SOLPWR +24V Switchback Solenoid Drive Line for ADUSOL Duplex Unit G081/G092 6-74...

  • Page 237: Cn27 (On Ecb)/Cn1501 (On Color Registration Sensor)

    Paper Size Detection signal 2* Ground ---- STNON Main Cassette Detection signal Paper Size Letter Legal STPSZ2 STPSZ1 CN29 (on ECB)/CN1 (on Humidity/Temperature Sensor) In/Out Pin No. Signal Name Description CN1-E CN1-L TEMP Temperature Sensing signal Ground Humidity Sensing signal +5V_HUM 6-75 G081/G092...

  • Page 238: Cn30 Sub Fusing Fan

    Description CN32 CN2503 CN32 CN2503 NCSAD A/D Converter Chip Select SCLKAD A/D Converter Clock SDOAD A/D Converter Input Data SDIAD A/D Converter Output Data DZCROSS Zero Cross IHON IH ON IHPOWER +24V VIN100V AC Line Voltage Detect Ground G081/G092 6-76...

  • Page 239: Cn33 (On Ecb)/Cn2505 (On Power Supply Board)

    Signal Name Description In/Out CN34 CN2504 Ground +3.3V +3.3V Ground +24VB +24V +24VB +24V 24VGND Ground 24VGND Ground +24VA +24V +24VA +24V 24VGND Ground +24VC +24V CN35 LSU Safety Interlock Switch Pin No. Signal Name Description In/Out +5VLD 6-77 G081/G092...

  • Page 240: Cn38 Main Control Board 2 Of 3

    Horizontal Sync for Black Ground Ground Ground NHSYNC [C] Horizontal Sync for Cyan Ground Ground Ground NHSYNC [M] Horizontal Sync for Magenta Ground Ground Ground NHSYNC [Y] Horizontal Sync for Yellow Ground Ground Ground Ground Ground ENGRDY Engine Reset G081/G092 6-78...
  • Page 241 Video Data 2 for Magenta NVD0[M] Video Data 0 for Magenta NVSZ[M] Vertical Size for Magenta Ground NVD2[Y] Video Data 2 for Yellow NVD0[Y] Video Data 0 for Yellow NVSZ[Y] Vertical Size for Yellow Ground Ground Ground Ground Ground 6-79 G081/G092...

  • Page 242: Cn38 Main Control Board 3 Of 3

    Video Clock for Yellow Ground 5VHD Ground Ground Ground CN39 (on ECB)/CN1508 (on Duplex Unit Jam Sensor) Pin No. In/Out Signal Name Description CN27 CN1501 CN27 CN1501 Ground ADUNON Duplex Unit Non +5V_ADU Ground NADUJAM Duplex Unit Jam G081/G092 6-80...

  • Page 243: Cn43 Toner Supply Solenoid

    In/Out In/Out FP10 Data 6 In/Out In/Out FP11 Data 0 FP12 Data 7 In/Out In/Out FP13 LED Set FP14 Enable 1 FP15 Key Read FP16 Read/Write FP17 FP18 Register Select FP19 Enable 2 FP20 FP21 Ground FP22 Ground 6-81 G081/G092...

  • Page 244: Cn1502 Waste Toner Full Sensor

    IH Power Thermostat CN2204 IH Heater Pin No. Signal Name Description In/Out IHCOIL 1 IH Power Coil1 IHCOIL 2 IH Power Coil 2 CN1502 Power Switch Pin No. Signal Name Description In/Out CN1502 CN1511 AC Line (live) AC Line (neutral) G081/G092 6-82...

  • Page 245: Cn1502 (On Power Supply Board)/Cn2207 (On Ih Power Supply Board)

    A/D Converter Chip Select ZCROS Zero Cross A/D Converter Data Clock IHON Zero Cross A/D Converter Input Data IHPOWER +24V Ground Ground Ground CN2506 Side/Front Door Interlock Switch Pin No. Signal Name Description In/Out +24V +24V +24V +24V 6-83 G081/G092...

  • Page 247: Specifications

    SPECIFICATIONS...

  • Page 249: General Specifications

    First Print Speed: 25 seconds or less (from tray 1) Warm-up Time Less than 45 seconds (at 23 °C/50%) Print Paper Capacity: Standard tray: 530 sheets (80 g/m2, 20lb) By-pass tray: 100 sheets Optional paper feed tray: 530 sheets x 2 G081/G092...
  • Page 250 45 dB or less ⇒ NOTE: The above measurements were made in accordance with ISO7779 at the operator position. Dimensions (W x D x H):419 x 536 x 395 mm (16.5" x 21.1" x 15.5") Weight: Less than 30 kg (66.1 lb.) G081/G092...

  • Page 251: Supported Paper Sizes

    114 x 162 mm C5 Env. 162 x 229 mm DL Env. 110 x 220 mm Remarks: Supported: the sensor detects the paper size. Supported: the user specifies the paper size. Supported: depends on a technician adjustment Not supported G081/G092...

  • Page 252: Software Accessories

    This utility solves problems with Windows 2000. (Win2000) DeskTopBinder V2 Lite DeskTopBinder V2 Lite itself can be used as personal document management software and can manage both image data (Win95/98, ME, 2000, NT4) converted from paper documents and application files saved in each client’s PC. G081/G092...

  • Page 253: Machine Configuration

    USB2.0 interface board. 2) The IEEE1394, IEEE802.11b, Bluetooth, and USB2.0 interface board cannot be installed at the same time. 3) The NIB is an option for model G092. 4) Only the model G081 is available in the U.S. market. G081/G092...

  • Page 255: Paper Feed Unit Type 3000 G342

    G342 PAPER FEED UNIT TYPE 3000...
  • Page 257 G342 TABLE OF CONTENTS 1. REPLACEMENT AND ADJUSTMENT ........... 1 1.1 EXTERIOR COVERS ................... 1 1.2 FEEDER BOARD ..................2 1.3 PAPER SIZE SWITCH ................. 2 1.4 SENSOR BOARD, MOTOR, AND PICKUP SOLENOID ......3 1.5 JAM SENSOR AND PAPER EMPTY SENSOR ARMS ........ 3 1.6 PICKUP AND PAPER FEED ROLLERS ............

  • Page 259: Replacement And Adjustment

    EXTERIOR COVERS 1. REPLACEMENT AND ADJUSTMENT 1.1 EXTERIOR COVERS G342R900.WMF 1. Front cover [A] ( x 1) NOTE: Release both hooks [B] [C] on the top and five hooks [D][E] on the bottom. 2. Right cover [F] ( x 2) NOTE: Release one hook [G] on the top and three hooks [H] on the bottom.

  • Page 260: Feeder Board

    FEEDER BOARD 1.2 FEEDER BOARD G342R901.WMF • Left cover (! 1.1) 1. Feeder board [A] with shield cover.( x 5,  x 3) 2. Shield cover [B] ( x 1) 1.3 PAPER SIZE SWITCH G342R902.WMF • Left cover (! 1.1) 1.

  • Page 261: Sensor Board, Motor, And Pickup Solenoid

    SENSOR BOARD, MOTOR, AND PICKUP SOLENOID 1.4 SENSOR BOARD, MOTOR, AND PICKUP SOLENOID G342R903.WMF • Left cover (! 1.1) 1. Sensor board [A] ( x 2) 2. Motor [B] ( x 1,  x 2) 3. Pickup Solenoid [C] ( x 1,  x 2) 1.5 JAM SENSOR AND PAPER EMPTY SENSOR ARMS G342R904.WMF •...

  • Page 262: Pickup And Paper Feed Rollers

    PICKUP AND PAPER FEED ROLLERS 1.6 PICKUP AND PAPER FEED ROLLERS G342R905.WMF • Left cover (! 1.1) 1. Pickup gear [A] (1 hook) 2. Bushing [B] 3. Bushing [C] (1 hook) 4. Pickup roller shaft [D] 5. 2 pickup roller assemblies [E][F] (1 hook each) 6.

  • Page 263: Pinch Rollers

    PINCH ROLLERS 1.7 PINCH ROLLERS G342R906.WMF • Left cover (! 1.1) 1. Raise the pinch roller base unit [A] in the arrow (1) direction. 2. Remove the pinch roller base unit in the arrow (2) direction. 3. Plastic ring [B] 4.

  • Page 264: Paper Cassette

    PAPER CASSETTE 1.8 PAPER CASSETTE " Figure-1 G342R907.WMF G342R908.WMF 1. Corner separator [A] NOTE: Remove the corner separator by moving it as shown by the arrows in Figure-1. 2. Raise the cassette base plate [B] in the arrow " direction. 3.

  • Page 265: Detailed Descriptions

    PAPER CASSETTE 2. DETAILED DESCRIPTIONS See the following subsections in the service manual of the main unit: • 6.3.9—Paper Feed • 6.5.3—Paper Source Selection • 6.5.4—Auto Continue G342...
  • Page 267 TECHNICAL SERVICE BULLETINS...
  • Page 268 The Service Manual pages listed below must be replaced with the pages supplied. ⇒ The revised areas have been highlighted by an arrow PAGES: • 5-3 and 5-6 Updated Information (Printer Controller Service Mode)  Copyright 2003 RICOH Corporation. All rights reserved.
  • Page 269 The Service Manual pages listed below must be replaced with the pages supplied. ⇒ An arrow has highlighted the revised areas PAGES: • 7 - 2 Updated Information (Noise Emission)     Copyright 2003 RICOH Corporation. All rights reserved.
  • Page 270 45 dB or less ⇒ NOTE: The above measurements were made in accordance with ISO7779 at the operator position. Dimensions (W x D x H):419 x 536 x 395 mm (16.5" x 21.1" x 15.5") Weight: Less than 30 kg (66.1 lb.) G081/G092...
  • Page 271 Selects the printing mode (resolution) for the printer gamma adjustment. When selecting a print mode, 600 x 600 Text an asterisk (*) is displayed in the front of the mode. 1200 x 600 Text 600 x 600 Photo 1200 x 600 Photo G081/G092...
  • Page 272 Displays or not displays error messages No. E1 and higher (RPDL, R16, R55, R98, GL/GL2). [0: Displays, 1: Not displays] DFU Changes the tray setting (GL/GL2). [0: LP, 1: MFP] DFU Changes the default tray. [0: LP (Tray 1), 1: MFP (System default)] DFU G081/G092...

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G081

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