Ricoh U-C1 B051 Service Manual
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Ricoh U-C1 B051 Service Manual

Ricoh U-C1 B051 Service Manual

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MODEL U-C1
(Machine Code: B051/B052)
SERVICE MANUAL

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Summary of Contents for Ricoh U-C1 B051

  • Page 1 MODEL U-C1 (Machine Code: B051/B052) SERVICE MANUAL...

  • Page 2: Exterior Cover

    IMPORTANT SAFETY NOTICES PREVENTION OF PHYSICAL INJURY 1. Before disassembling or assembling parts of the copier and peripherals, make sure that the copier power cord is unplugged. 2. The wall outlet should be near the copier and easily accessible. 3. If any adjustment or operation check has to be made with exterior covers off or open while the main switch is turned on, keep hands away from electrified or mechanically driven components.

  • Page 3: Laser Safety

    LASER SAFETY The Center for Devices and Radiological Health (CDRH) prohibits the repair of laser-based optical units in the field. The optical housing unit can only be repaired in a factory or at a location with the requisite equipment. The laser subsystem is replaceable in the field by a qualified Customer Engineer.
  • Page 4 Trademarks ® ® ® Microsoft , Windows , and MS-DOS are registered trademarks of Microsoft Corporation in the United States and /or other countries. ® PostScript is a registered trademark of Adobe Systems, Incorporated. ® is a registered trademark of Hewlett-Packard Company. ®...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS 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 POWER REQUIREMENTS.............. 1-2 1.1.4 SPACE REQUIREMENTS ............... 1-2 1.2 COPIER (B051/B052) ................1-3 1.2.1 POWER SOCKETS FOR PERIPHERALS........1-3 1.2.2 INSTALLATION FLOW CHART............1-4 1.2.3 ACCESSORY CHECK ..............
  • Page 6 1.15 MEMORY....................1-49 1.16 KEY COUNTER INSTALLATION............1-51 1.17 ANTI-CONDENSATION HEATER ............1-53 1.18 TRAY HEATER..................1-54 1.19 TRAY HEATER (OPTIONAL PAPER TRAY UNIT) ......1-55 1.20 TRAY HEATER (OPTIONAL LCT)............1-57 2. PREVENTIVE MAINTENANCE ........... 2-1 2.1 MAIN UNIT ....................2-1 2.1.1 OVERVIEW..................
  • Page 7 3.8.5 OILING ROLLER AND OIL SUPPLY ROLLER......3-27 3.8.6 FUSING LAMPS ................3-28 3.8.7 FUSING INNER UNIT..............3-29 3.8.8 PRESSURE ROLLER THERMOFUSE.......... 3-29 3.8.9 HOT ROLLER STRIPPERS............3-30 3.8.10 FUSING BELT UNIT AND PRESSURE ROLLER UNIT ....3-30 3.8.11 PRESSURE ROLLER, PRESSURE ROLLER GEAR, AND CLEANING ROLLER............
  • Page 8 ARDF Side-to-Side and Leading Edge Registration......3-57 ARDF Skew Adjustment..............3-58 3.13 COLOR ADJUSTMENT ................ 3-59 3.13.1 AUTO COLOR CALIBRATION (ACC) ......... 3-59 3.13.2 PRINTER GAMMA CORRECTION..........3-60 Copy Mode..................3-60 Printer Mode..................3-64 3.14 SCANNER WHITE LEVEL ADJUSTMENT........... 3-66 White Level Check ................
  • Page 9 SP5-XXX: (Mode)................5-29 SP6-XXX: (Peripherals) ..............5-47 SP7-XXX: (Data Log) ................. 5-50 SP9-XXX: (Etc.) ................. 5-62 5.1.3 TEST PATTERN PRINTING (SP5-955-1)........5-63 5.1.4 INPUT CHECK................5-64 Main Machine Input Check (SP5-803) ..........5-64 Table 1: Tray 1 and 2 Paper Size............5-67 Table 2: By-pass Tray Paper Size............
  • Page 10 6. DETAILED SECTION DESCRIPTIONS........6-1 6.1 OVERVIEW ....................6-1 6.1.1 MECHANICAL COMPONENTS............6-1 6.1.2 PAPER PATH .................. 6-2 6.1.3 DRIVE COMPONENTS ..............6-3 Layout ....................6-3 Drive Power Path ................. 6-4 6.1.4 ELECTRICAL COMPONENTS ............6-5 Scanner Unit ..................6-5 Image Transfer..................
  • Page 11 Main Scan Magnification ..............6-29 Printer Gamma Correction ..............6-30 Error Diffusion ..................6-32 ASICs on the BICU Board Test ............6-32 6.7 PHOTOCONDUCTOR UNIT (PCU)............6-33 6.7.1 OVERVIEW..................6-33 6.7.2 CHARGE CORONA UNIT.............. 6-34 Power Supply ..................6-34 Grid and Wire Cleaning..............6-34 Quenching..................
  • Page 12 Toner End Recovery ................6-51 6.9.5 DEVELOPMENT UNIT CONTACT MECHANISM ......6-52 Mechanism..................6-52 Reverse Rotation ................6-52 6.9.6 POWER SOURCE ................. 6-53 Development, Toner Supply, and Doctor Rollers ....... 6-53 Doctor Roller ..................6-53 6.10 PAPER FEED ..................6-54 6.10.1 OVERVIEW..................
  • Page 13 Overview .................... 6-70 Panel Off Mode .................. 6-71 Low Power Mode ................6-72 Auto Off Mode ..................6-73 6.12.7 PAPER EXIT................6-74 Drive....................6-74 Paper Jam Detection................6-74 6.12.8 PAPER OVERFLOW DETECTION..........6-74 PERIPHERALS PAPER TRAY UNIT (B456) 1. REPLACEMENT AND ADJUSTMENT........B456-1 1.1 REAR COVER ..................
  • Page 14 1.7 STACK TRANSPORT CLUTCH ............B457-5 1.8 PAPER FEED CLUTCH..............B457-5 1.9 PAPER FEED UNIT................B457-6 1.10 PICKUP, FEED, AND SEPARATION ROLLERS......B457-7 1.11 UPPER LIMIT, PAPER END 1, AND RELAY SENSORS ....B457-7 2. DETAILED DESCRIPTIONS ..........B457-8 2.1 MECHANICAL COMPONENT LAYOUT..........B457-8 2.2 ELECTRICAL COMPONENT LAYOUT ..........
  • Page 15 2.9 STAMP ..................... B386-21 2.10 TIMING CHART ................B386-22 2.11 CONDITION OF JAM DETECTION ..........B386-23 2.12 OVERALL ELECTRICAL CIRCUIT..........B386-24 3. SERVICE TABLES..............B386-25 3.1 DIP SWITCHES................B386-25 INTERCHANGE UNIT (B418) 1. REPLACEMENT AND ADJUSTMENT........B481-1 1.1 EXIT SENSOR REPLACEMENT............B481-1 2.
  • Page 16 2.3.1 TRAY SHIFT ................B510-5 2.3.2 HALF TURN DETECTION ............B510-6 BY-PASS TRAY UNIT (B490) 1. REPLACEMENT AND ADJUSTMENT........B490-1 1.1 PICKUP/FEED ROLLER..............B490-1 1.2 PAPER FEED CLUTCH..............B490-2 1.3 REVERSE ROLLER ................B490-2 1.4 PAPER SIZE SENSOR BOARD............B490-3 2. DETAILED DESCRIPTIONS ..........B490-4 2.1 MECHANICAL COMPONENT LAYOUT..........
  • Page 17 2. DETAILED DESCRIPTIONS ..........B482-3 2.1 MECHANICAL COMPONENT LAYOUT..........B482-3 2.2 DRIVE LAYOUT ................. B482-4 2.3 ELECTRICAL COMPONENT LAYOUT ..........B482-5 2.4 ELECTRICAL COMPONENT DESCRIPTION ........B482-6 2.5 JUNCTION GATE MECHANISM ............B482-7 1000-SHEET FINISHER (B408) 1. REPLACEMENT AND ADJUSTMENT........B408-1 1.1 MAIN PCB ..................B408-1 1.2 STAPLER UNIT ..................
  • Page 18 500-SHEET FINISHER (B458) 1. REPLACEMENT AND ADJUSTMENT........B458-1 1.1 EXTERIOR ..................B458-1 Front Cover ..................B458-2 1.2 ENTRANCE UPPER GUIDE/PAPER EXIT UNIT ....... B458-4 1.3 ENTRANCE LOWER GUIDE.............. B458-5 1.4 PAPER EXIT UNIT GEAR/PADDLE ROLLER SOLENOID ....B458-5 1.5 STAPLER UNIT .................. B458-6 1.6 JOGGER TRAY UNIT.................
  • Page 19 LCT ....................Spec-7 Paper Tray Unit ................Spec-7 Shift Tray Unit ................Spec-7 1-Bin Tray Unit ................Spec-8 500-Sheet Finisher................. Spec-8 1000-sheet Finisher ............... Spec-9 Upper Tray ..................Spec-9 Lower Tray ..................Spec-9...

  • Page 20: Installation

    26 July 2002 INSTALLATION REQUIREMENTS 1. INSTALLATION 1.1 INSTALLATION REQUIREMENTS 1.1.1 ENVIRONMENT 1. Temperature Range: 10°C to 32°C (50°F to 89.6°F) (humidity to be 54% at 32°C, 89.6°F) 2. Humidity Range: 15% to 80% Rh (temperature to be 27°C, 80.6°F at 80%) 3.

  • Page 21: Power Requirements

    INSTALLATION REQUIREMENTS 26 July 2002 1.1.3 POWER REQUIREMENTS CAUTION 1. Insert the plug firmly in the outlet. 2. Avoid using an outlet extension plug or cord. 3. Ground the machine. 1. Input voltage level: 120 V, 60 Hz, More than 12 A 220 ∼...

  • Page 22: Copier (B051/B052)

    26 July 2002 COPIER (B051/B052) 1.2 COPIER (B051/B052) 1.2.1 POWER SOCKETS FOR PERIPHERALS CAUTION Rating voltage for peripherals. Make sure to plug the cables into the correct sockets. 1. ADF 2. Finisher 1. Rating voltage output connector 1. Rating voltage output connector for accessory Max.

  • Page 23: Installation Flow Chart

    COPIER (B051/B052) 26 July 2002 1.2.2 INSTALLATION FLOW CHART The following flow chart shows how to install the optional units more efficiently. Unpack the copier Does the user require the Paper Tray Unit, LCT, or Finisher? Place the copier on the Paper Tray Unit or LCT Install the Paper Tray Unit or LCT Install the copier Does the user require the Memory Unit...

  • Page 24: Accessory Check

    26 July 2002 COPIER (B051/B052) 1.2.3 ACCESSORY CHECK Check the quantity and condition of the accessories in the box against the following list: Description Q’ty Paper Tray Decal Model Name Decal NECR Factory Data Sheet Filter Duct Filter Caution Decal – Power/Paper Decal –...

  • Page 25: Installation Procedure

    COPIER (B051/B052) 26 July 2002 1.2.4 INSTALLATION PROCEDURE B051I101.WMF B051I138.WMF B051I125.WMF CAUTION Unplug the machine power cord before starting the following procedure. If the optional paper tray or the optional LCT will be installed at the same time, place the copier on the paper tray unit or the LCT first, then install the copier and the other options.
  • Page 26 26 July 2002 COPIER (B051/B052) B051I110.WMF B051I124.WMF B051I134.WMF 3. Open the right cover [A], and remove the red tags [B]. 4. Open the left cover [C] (! x 2), and remove the red tags [D]. 5. Pull out all development units [E] (" x 1 each).
  • Page 27 COPIER (B051/B052) 26 July 2002 B051I133.WMF 6. Peel off the toner cartridge seal [A]. 7. Reinstall the toner cartridge in the development unit.
  • Page 28 26 July 2002 COPIER (B051/B052) B051I315.WMF Rear view B051I409.WMF 8. Keep the development unit level and shake the development unit about 10 times from side to side. NOTE: 1) Do not touch the development roller or the development roller gear. 2) Use caution not to drop the cartridge or to damage it.
  • Page 29 COPIER (B051/B052) 26 July 2002 B051I135.WMF 11. Reinstall the development units, and close the left cover. NOTE: A white line or band may appear on one end of the paper if a development is incorrectly installed. To correct this, pull out the development unit partially (about 30 mm) and slowly reinstall it.
  • Page 30 26 July 2002 COPIER (B051/B052) B051I137.WMF B051I131.WMF B051I128.WMF 13. Install the filters [A] and ducts [B] as shown. 14. Attach the appropriate model name decal [C] to the front cover. 15. Pull the paper tray out, and adjust the side guides and end guide to match the paper size.
  • Page 31 COPIER (B051/B052) 26 July 2002 B051I129.WMF 17. If the optional bridge unit will not be installed: Swing the sensor feeler [A] out. 18. Install the optional ARDF or the optional platen cover (see ARDF Installation or Platen Cover Installation). 19. Plug in the machine and turn the main power switch on. The machine automatically performs the initialization procedure.

  • Page 32: Paper Tray Unit (B456)

    26 July 2002 PAPER TRAY UNIT (B456) 1.3 PAPER TRAY UNIT (B456) 1.3.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty Right Stand Bracket Left Stand Bracket Securing Bracket Front Stand Rear Stand Screw - M4x10 Knob Screw Stepped Screw...
  • Page 33 PAPER TRAY UNIT (B456) 26 July 2002 B456I103.WMF B456I104.WMF 2. Remove the paper trays [A] from the paper tray unit and remove the shipping retainers. 3. Install the front stand [B] (! x 2). 4. Install the rear stand [C]. 5.
  • Page 34 26 July 2002 PAPER TRAY UNIT (B456) B456I105.WMF B456I102.WMF B456I106.WMF 6. Set the copier [A] on the paper tray unit [B]. 7. Remove the paper trays [C] from the copier and secure the paper tray unit (! x 2). 8. Attach a securing bracket [D] to each side of the paper tray unit (! x 1 each). 1-15...
  • Page 35 PAPER TRAY UNIT (B456) 26 July 2002 B456I004.WMF 9. Reinstall the paper trays and attach the appropriate paper tray number decal [A] to the paper tray. NOTE: The paper tray number decal is in the accessory box for the main copier.

  • Page 36: Lct (B457)

    26 July 2002 LCT (B457) 1.4 LCT (B457) 1.4.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty Right Stand Bracket Left Stand Bracket Securing Bracket Front Stand Rear Stand Screw - M4x10 Knob Screw Stepped Screw B457I151.WMF...
  • Page 37 LCT (B457) 26 July 2002 B457I003.WMF B457I104.WMF 2. While pressing the stopper [A] attached to the guide rail, pull out the large capacity tray [B]. 3. Install the front stand [C] (! x 2). 4. Install the rear stand [D]. 5.
  • Page 38 26 July 2002 LCT (B457) B457I006.WMF B457I002.WMF B457I156.WMF 6. Set the copier [A] on the LCT [B]. 7. Remove the paper trays [C] from the copier and secure the LCT (! x 2). 8. Attach a securing bracket [D] to each side of the LCT (! x 1 each). 1-19...
  • Page 39 LCT (B457) 26 July 2002 B457I005.WMF 9. Reinstall the paper trays and attach the appropriate paper tray number decal [A] to the LCT. NOTE: The paper tray number decal is in the accessory box for the main copier. 10. Load paper into the LCT. 11.

  • Page 40: Auto Reverse Document Feeder (B386)

    26 July 2002 AUTO REVERSE DOCUMENT FEEDER (B386) 1.5 AUTO REVERSE DOCUMENT FEEDER (B386) 1.5.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty Scale Guide DF Exposure Glass Stud Screw Knob Screw Original Size Decal Screwdriver Tool B386I500.WMF...
  • Page 41 AUTO REVERSE DOCUMENT FEEDER (B386) 26 July 2002 B386I107.WMF B386I108.WMF 2. Remove the left scale [A] (! x 2). 3. Peel off the backing [B] of the double-sided tape attached to the glass holder. 4. Place the DF exposure glass [C] on the glass holder. NOTE: When installing the DF exposure glass, make sure that the white point [D] is on the lower front side of the glass, as shown.

  • Page 42: Replacement And Adjustment

    26 July 2002 AUTO REVERSE DOCUMENT FEEDER (B386) B386I110.WMF B386I111.WMF B386I501.WMF 10. Peel off the platen sheet [A] and place it on the exposure glass. 11. Line up the rear left corner of the platen sheet flush against corner [B] on the exposure glass.

  • Page 43: Interchange Unit (B481)

    INTERCHANGE UNIT (B481) 26 July 2002 1.6 INTERCHANGE UNIT (B481) 1.6.1 ACCESSORY CHECK Check the quantity and condition of the components against the following list. Description Q’ty Interchange Unit B481I101.WMF 1-24...

  • Page 44: Installation Procedure

    26 July 2002 INTERCHANGE UNIT (B481) 1.6.2 INSTALLATION PROCEDURE B481I102.WMF B481I103.WMF CAUTION Unplug the copier power cord before starting the following procedure. 1. Remove all tapes. 2. Open the right cover [A] of the copier. 3. Open cover [B] and remove it. NOTE: Pull down in the direction of the arrow.

  • Page 45: 1-Bin Tray Unit (B480)

    1-BIN TRAY UNIT (B480) 26 July 2002 1.7 1-BIN TRAY UNIT (B480) 1.7.1 ACCESORY CHECK Check the quantity and condition of the components against the following list. Description Q’ty 1-Bin Tray Unit Tray Sub-Tray Tray Guide Shield Mylar Sub Paper Guide Paper Guide Tapping Screw M3x8 B480I101.WMF...

  • Page 46: Installation Procedure

    26 July 2002 1-BIN TRAY UNIT (B480) 1.7.2 INSTALLATION PROCEDURE B480I107.WMF CAUTION Unplug the copier power cord before starting the following procedure. NOTE: Before installing this 1-bin tray unit, the optional interchange unit (B416) must be installed. 1. Remove all tapes. 2.
  • Page 47 1-BIN TRAY UNIT (B480) 26 July 2002 B480I108.WMF B480I102.WMF B480I103.WMF 3. Peel off the backing of the double-sided tape attached to the shield mylar [A]. Then attach the shield mylar to the 1-bin unit. 4. If the front right cover [B] is installed, remove it (! x 1). 5.
  • Page 48 26 July 2002 1-BIN TRAY UNIT (B480) B480I104.WMF B480I109.WMF B480I106.WMF 8. Install the LED board [A] on the front right cover (! x 1). 9. Reinstall the front right cover [B] (" x 2, ! x 1). 10. Peel off the backing of the double-sided tape attached to the paper guide [C]. Then attach the paper guide to the underside of the scanner unit as shown.

  • Page 49: Shift Tray

    SHIFT TRAY 26 July 2002 1.8 SHIFT TRAY 1.8.1 COMPONENT CHECK Check the quantity and condition of the components against the following list. Description Q’ty Shift Tray Unit Paper Guide - Large Paper Guide - Small Stepped Screw B510I101.WMF 1.8.2 INSTALLATION PROCEDURE B510I102.WMF CAUTION Unplug the copier power cord before starting the following procedure.

  • Page 50: Rear Cover

    26 July 2002 SHIFT TRAY B510I110.WMF B510I103.WMF 5. Remove the rear cover [A] (! x 2). 6. Pass the harnesses [B] through the opening [C], and install the shift tray unit [D], as shown. NOTE: 1) Set the shift tray on the stepped screw. 2) The shift tray must be installed under the paper guides [E] installed in step 4.
  • Page 51 SHIFT TRAY 26 July 2002 B510I104.WMF 7. Connect the harnesses [A], as shown. 8. Turn on the main power switch. 9. Check the shift tray operation. 1-32...

  • Page 52: By-Pass Feed Unit (B490)

    26 July 2002 BY-PASS FEED UNIT (B490) 1.9 BY-PASS FEED UNIT (B490) 1.9.1 ACCESSORY CHECK Check the quantity and condition of the components against the following list. Description Q’ty By-pass Tray Unit Tapping Screw B490I001.WMF 1.9.2 INSTALLATION PROCEDURE B490I113.WMF CAUTION Unplug the copier power cord before starting the following procedure.
  • Page 53 BY-PASS FEED UNIT (B490) 26 July 2002 B490I114.WMF 3. Install the by-pass tray unit [A] (! x 3, " x 1). 4. Turn the main power switch on and check the by-pass tray function. 5. Make a copy from the by-pass tray. Then check the registration. 1-34...

  • Page 54: Duplex Unit (B509)

    26 July 2002 DUPLEX UNIT (B509) 1.10 DUPLEX UNIT (B509) 1.10.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty Duplex Unit Upper Bracket Rear Holder Bracket Front Holder Bracket Clip Tapping Screw - M4x6 Tapping Screw - M3x6 B509I101.WMF 1-35...

  • Page 55: Installation Procedure

    DUPLEX UNIT (B509) 26 July 2002 1.10.2 INSTALLATION PROCEDURE B509I102.WMF B509I103.WMF CAUTION Unplug the copier power cord before starting the following procedure. NOTE: Before installing the duplex unit, the optional interchange unit (B481) must be installed. 1. Remove all tapes (see the previous page). 2.
  • Page 56 26 July 2002 DUPLEX UNIT (B509) B509I104.WMF B509I105.WMF 4. Set the duplex unit [A] on the brackets [B] (1 clip). 5. Attach the link [C] to the shaft [D] and secure it with the clip. 6. Remove the connector cover [E] (! x 1). 7.

  • Page 57: Bridge Unit (B482)

    BRIDGE UNIT (B482) 26 July 2002 1.11 BRIDGE UNIT (B482) 1.11.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty Bridge Unit Rear Joint Bracket Front Joint Bracket Knob Screw Screw - M3x6 Screw - M4x14 B482I101.WMF 1.11.2 INSTALLATION PROCEDURE...
  • Page 58 26 July 2002 BRIDGE UNIT (B482) B482I102.WMF B482I104.WMF B482I103.WMF 3. Remove the front right cover [A] (! x 1). 4. Remove two covers [B] (! x 1 each). 5. Remove the rear cover [C] (! x 2). 6. Pass the harnesses [D] through the opening [E], and install the bridge unit [F] (! x 2).
  • Page 59 BRIDGE UNIT (B482) 26 July 2002 B482I106.WMF B482I105.WMF 8. Connect the harnesses [A], as shown. 9. Reinstall the rear cover. 10. When the 1,000-sheet finisher (Machine code: B408) will be installed, attach the front joint bracket [B] and rear joint bracket [C] (! x 2 each). 11.

  • Page 60: 1000-Sheet Finisher (B408)

    26 July 2002 1000-SHEET FINISHER (B408) 1.12 1000-SHEET FINISHER (B408) 1.12.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty B022/B027/B031 B051/B052 Front Joint Bracket Rear Joint Bracket Grounding Plate Copy Tray Staple Position Decal Screw - M4x17 Knob Screw - M4x10 Screw - M3x8...

  • Page 61: Installation Procedure

    1000-SHEET FINISHER (B408) 26 July 2002 1.12.2 INSTALLATION PROCEDURE B408I102.WMF B408I103.WMF CAUTION Unplug the main machine power cord before starting the following procedure. NOTE: The following options must be installed before installing this finisher. - Bridge Unit (B482) - Paper Tray Unit (B456) or LCT (B457) Also, the optional adjustment table (B488) is required.
  • Page 62 26 July 2002 1000-SHEET FINISHER (B408) B408I152.WMF B408I114.WMF 2. Unpack the adjustment table (B488). 3. Set the finisher [A] on the adjustment table [B] and secure the finisher (! x 1). 4. Install the grounding plate [C], which is in the accessory box for the adjustment table (! x 2).
  • Page 63 1000-SHEET FINISHER (B408) 26 July 2002 B408I501.WMF 10. Attach the staple position decal [A] to the ARDF as shown. 11. Turn on the main power switch and check the finisher operation. 1-44...

  • Page 64: 500-Sheet Finisher (B458)

    26 July 2002 500-SHEET FINISHER (B458) 1.13 500-SHEET FINISHER (B458) 1.13.1 ACCESSORY CHECK Check the quantity and condition of the accessories against the following list. Description Q’ty Unit Holder Entrance Guide Shift Tray Snap Ring Knob Screw B458I102.WMF 1-45...

  • Page 65: Installation Procedure

    500-SHEET FINISHER (B458) 26 July 2002 1.13.2 INSTALLATION PROCEDURE B458I101.WMF B458I103.WMF CAUTION Unplug the main machine power cord before starting the following procedure. NOTE: Before installing the 500-sheet finisher, the optional bridge unit (B482) must be installed. 1. Unpack the finisher and remove the tapes. 2.
  • Page 66 26 July 2002 500-SHEET FINISHER (B458) B458I104.WMF B458I105.WMF 5. Install the 500-sheet finisher [A] (" x 1). 6. Install the output tray [B] as shown (2 snap rings). 7. Turn on the main power switch and check the finisher operation. 1-47...

  • Page 67: Platen Cover Installation

    PLATEN COVER INSTALLATION 26 July 2002 1.14 PLATEN COVER INSTALLATION B051I520.WMF B051I408.WMF 1. Install the platen cover [A] (! x 2). 2. Peel off the platen sheet [B] and place it on the exposure glass. 3. Line up the rear left corner of the platen sheet flush against corner [C] on the exposure glass.

  • Page 68: Memory

    26 July 2002 MEMORY 1.15 MEMORY B051I554.WMF B051I504.WMF B051I505.WMF CAUTION Unplug the main machine power cord before starting the following procedure. 1. Remove the rear cover [A] (! x 2). 2. Remove the cooling fan [B] (! x 2). 3. Remove the PCB fan [C] (! x3, " x 1). 4.
  • Page 69 MEMORY 26 July 2002 B051I308.WMF 8. Install the memory DIMM [A] on the controller board. 9. Replace the controller board cover and rear cover. 1-50...

  • Page 70: Key Counter Installation

    26 July 2002 KEY COUNTER INSTALLATION 1.16 KEY COUNTER INSTALLATION B051I554.WMF B051I119.WMF B051I120.WMF CAUTION Unplug the main machine power cord before starting the following procedure. 1. Remove the rear cover [A] (! x 2). 2. Remove the upper right cover [B] (! x 1). 3.
  • Page 71 KEY COUNTER INSTALLATION 26 July 2002 B051I515.WMF B051I121.WMF 6. Hold the key counter plate nuts [A] on the inside of the key counter bracket [B] and insert the key counter holder [C]. 7. Secure the key counter holder to the bracket (! x 2). 8.

  • Page 72: Anti-Condensation Heater

    26 July 2002 ANTI-CONDENSATION HEATER 1.17 ANTI-CONDENSATION HEATER B051I151.WMF B051I139.WMF CAUTION Unplug the main machine power cord before starting the following procedure. 1. Remove the rear scale [A] (! x 3), left scale [B] (! x 2), and exposure glass [C].

  • Page 73: Tray Heater

    TRAY HEATER 26 July 2002 1.18 TRAY HEATER B051I554.WMF B051I140.WMF B051I141.WMF CAUTION Unplug the main machine power cord before starting the following procedure. 1. Remove the rear cover [A] (! x 2). 2. Slide out the 1st and 2nd paper trays. 3.

  • Page 74: Tray Heater (Optional Paper Tray Unit)

    26 July 2002 TRAY HEATER (OPTIONAL PAPER TRAY UNIT) 1.19 TRAY HEATER (OPTIONAL PAPER TRAY UNIT) B456I104.WMF B456I502.WMF B456I201.WMF CAUTION Unplug the main machine power cord before starting the following procedure. 1. Remove the rear cover for the main machine [A] (! x 2). 2.
  • Page 75 TRAY HEATER (OPTIONAL PAPER TRAY UNIT) 26 July 2002 B456I202.WMF 7. Remove the oil bottle [A] and the oil bottle bracket [B] (! x 3). 8. Install the clamp [C]. 9. Connect the cable [D] to the heater cable [E] and the PSU [F]. Then clamp the cable.

  • Page 76: Tray Heater (Optional Lct)

    26 July 2002 TRAY HEATER (OPTIONAL LCT) 1.20 TRAY HEATER (OPTIONAL LCT) B457I554.WMF B457I502.WMF B457I501.WMF CAUTION Unplug the main machine power cord before starting the following procedure. 1. Remove the rear cover for the main machine [A] (! x 2). 2.
  • Page 77 TRAY HEATER (OPTIONAL LCT) 26 July 2002 B457I251.WMF B457I201.WMF 6. Pass the connector [A] through the opening [B]. 7. Install the tray heater [C] (! x 1). 8. Remove the oil bottle [D] and the oil bottle bracket [E] (! x 3). 9.

  • Page 78: Preventive Maintenance

    26 July 2002 MAIN UNIT 2. PREVENTIVE MAINTENANCE 2.1 MAIN UNIT 2.1.1 OVERVIEW Oil supply unit Fusing subunit Charge corona unit B051P112.WMF...

  • Page 79: Pm Table

    MAIN UNIT 26 July 2002 2.1.2 PM TABLE After replacing a part, reset the PM counter for that part (SP 7-804). Abbreviations: C lean nspect il replenishment eplace mergency aintenance Optical System Prints Developments Remarks 120K 120K 240K White plate Optical cloth 1st mirror Optical cloth...
  • Page 80 26 July 2002 MAIN UNIT Paper feed System Prints Developments Remarks 120K 120K 240K Idle roller (registration) Damp/dry cloth Registration sensor Damp/dry cloth Transport guide Damp/dry cloth Feed roller (main unit) Vertical transport roller Damp/dry cloth Friction pad (main unit) Fusing Unit Prints Developments...
  • Page 81 MAIN UNIT 26 July 2002 Filters Prints Developments Remarks 120K 120K 240K Exhaust filters Ozone filter By-pass Tray Unit Prints Developments Remarks 120K 120K 240K Feed roller Pickup roller Separation roller Friction pad Damp cloth...

  • Page 82: Optional Unit Pm Table

    26 July 2002 OPTIONAL UNIT PM TABLE 2.2 OPTIONAL UNIT PM TABLE Abbreviations: C lean nspect il replenishment eplace mergency aintenance Duplex Unit Prints Developments Remarks 120K 120K 240K Idle roller (inverter) Damp/dry cloth Idle roller Damp/dry cloth (vertical transport) Auto-reverse Document Feeder Prints Developments...

  • Page 83: Replacement And Adjustment

    26 July 2002 SPECIAL TOOLS 3. REPLACEMENT AND ADJUSTMENT CAUTION Turn off the main power switch and unplug the machine before beginning any of the procedures in this section. NOTE: This manual uses the following symbols. ! : Screws " : Connector # : Clip ring ☛...

  • Page 84: Scanner Unit

    SCANNER UNIT 26 July 2002 3.3 SCANNER UNIT 3.3.1 EXPOSURE GLASS 1. Rear scale [A] (! x 3) 2. Left scale [B] (! x 2) NOTE: After replacing the left scale, adjust the scanner white level (☛ 3.14). 3. Exposure glass [C] NOTE: When reassembling, position the glass marker [D] at the rear-left corner.

  • Page 85: Lens Block Assembly

    26 July 2002 SCANNER UNIT 3.3.3 LENS BLOCK ASSEMBLY 1. Exposure glass (☛ 3.3.1) 2. Rear cover (☛ 3.4.2) 3. Scanner right cover [A] (! x 1) 4. Inner cover [B] (! x 4) B051R004.WMF 5. Lens block assembly [C] (! x 4, "...
  • Page 86 SCANNER UNIT 26 July 2002 B051S999.PCX...

  • Page 87: Exposure Lamp Stabilizer

    26 July 2002 SCANNER UNIT 3.3.4 EXPOSURE LAMP STABILIZER 1. Lens block assembly (☛ 3.3.3) 2. Exposure lamp stabilizer [A] (! x 2, " x 2) B051R006.WMF 3.3.5 SCANNER LAMP 1. Exposure glass (☛ 3.3.1) 2. Rear cover (☛ 3.4.2) 3.
  • Page 88 SCANNER UNIT 26 July 2002 9. Lamp guard [A] (! x 2) 10. Pulley [B] NOTE: Use caution not to bend the pulley guides. 11. Push down the part [C], then slide out the scanner lamp. 12. Slide out the scanner lamp [D] and unhook it from the clamps [E].

  • Page 89: Scanner I/O Board

    26 July 2002 SCANNER UNIT 3.3.6 SCANNER I/O BOARD 1. Scanner right cover and scanner rear cover (☛ 3.3.5) 2. Scanner I/O board [A] (! x 6, " x 7) B051R007.WMF 3.3.7 SCANNER MOTOR 1. Scanner I/O board (☛ 3.3.6) 2.
  • Page 90 SCANNER UNIT 26 July 2002 Reassembling the Front Scanner Wire 1. Pass the end with the ball [A] through the left square hole from the front. 2. Position the center ball [B] in the middle of the notch, as shown by the arrow. 3.
  • Page 91 26 July 2002 SCANNER UNIT 8. Hook the ring end onto the front scanner wire bracket [I], with the end going via the front track of the right pulley [J] and the front track of the movable pulley [K]. NOTE: Do not screw the scanner wire bracket in place yet.

  • Page 92: Rear Scanner Wire

    SCANNER UNIT 26 July 2002 3.3.9 REAR SCANNER WIRE 1. Exposure glass (☛ 3.3.1) 2. Scanner motor (☛ 3.3.7) 3. Left frame (☛ 3.3.5) 4. Rear frame [A] (! x 7, " x 1) 5. Rear rail frame [B] (! x 5, " x 1) 6.
  • Page 93 26 July 2002 SCANNER UNIT Reassembling the Rear Scanner Wire 1. Pass the end with the ball [A] through the right square hole from the front. 2. Position the center ball [B] in the middle of the notch, as shown by the arrow. 3.

  • Page 94: Laser Unit

    LASER UNIT 26 July 2002 3.4 LASER UNIT WARNING Turn off the main switch and unplug the machine before beginning any of the procedures in this section. Laser beams can cause serious eye injury. 3.4.1 CAUTION DECAL LOCATION B051R106.WMF DANGER Turn off the main switch and disconnect the power plug from the power outlet before beginning any disassembly or adjustment of the laser unit.

  • Page 95: Laser Unit

    26 July 2002 LASER UNIT 3.4.2 LASER UNIT 1. Rear cover [A] (! x 2) 2. Connector cover [B] (! x 1) 3. Lower rear cover [C] (! x 2) B051R101.WMF 4. Fan [D] (! x 5) 5. BICU cover [E] (! x 11) B051R924.WMF 6.

  • Page 96: Front Cover

    LASER UNIT 26 July 2002 8. Open the left cover [A] (! x 2). 9. ID chip connectors [B] (" x 4) 10. Development units [C] x 4 (☛ 3.5) B051R103.WMF 11. Left cover [D] 12. Lower left cover [E] (! x 3) B051R104.WMF 13.

  • Page 97: Adjusting For Image Skew

    26 July 2002 LASER UNIT 15. LD cover [A] (! x 2) 16. Laser unit [B] (! x 5, Flat cable x 1) NOTE: When reassembling, connect the flat cable with the blue side down. B051R105.WMF Adjusting for Image Skew 1.

  • Page 98: D-Phase Adjustment

    LASER UNIT 26 July 2002 D-Phase Adjustment This adjustment corrects the difference in density on the left and right sides of the paper. The data sheet (distributed with the laser unit) is necessary for this adjustment. After replacing the laser unit, do the following adjustment. NOTE: 1) If the D-phase adjustment is not made, a difference in the density may be seen.

  • Page 99: Laser Beam Pitch Adjustment

    26 July 2002 LASER UNIT Laser Beam Pitch Adjustment 1. Print out the test pattern with SP5-955-1, then select pattern Feed direction 15 (☛ 5.1.3). 2. Check if vertical black stripes can be seen. a) If stripes cannot be seen (Figure 2), laser beam pitch adjustment is not required.

  • Page 100: Polygonal Mirror Motor And Lsd

    LASER UNIT 26 July 2002 3.4.3 POLYGONAL MIRROR MOTOR AND LSD WARNING Do not touch any edges of the polygon mirror, spring, or bracket. These edges can cause serious injury. 1. Development units, LD cover (☛ 3.4.2) 2. Cover [A] (! x 1) NOTE: Before removing the cover, clean the cover to prevent toner from entering into the unit.

  • Page 101: Development Unit

    26 July 2002 DEVELOPMENT UNIT 3.5 DEVELOPMENT UNIT CAUTION Do not touch the development unit sleeves or ID chip terminals. 1. Open the left cover [A] (! x 2) 2. ID chip connector [B] 3. Lift up the development unit [C], and pull it out of the machine.

  • Page 102: Photoconductor Unit (Pcu)

    PHOTOCONDUCTOR UNIT (PCU) 26 July 2002 3.6 PHOTOCONDUCTOR UNIT (PCU) 3.6.1 PCU ASSEMBLY NOTE: 1) Before replacing any of the parts or consumables in this section, cover the floor with cloth or some sheets of paper. 2) Never tilt the unit. The toner may come out of the unit. 3) When handling the unit, grasp the brown (front) and green (top) grips.

  • Page 103: Waste Toner Bottles

    26 July 2002 PHOTOCONDUCTOR UNIT (PCU) 3.6.2 WASTE TONER BOTTLES 1. T/B waste toner bottle [A] B051R205.WMF 2. O/B waste toner bottle [B] NOTE: There is much more O/B waste toner than T/B waste toner. Dispose of the O/B waste toner whenever you work on the machine.

  • Page 104: Charge Corona Unit, Grid, Wire, And Cleaner

    PHOTOCONDUCTOR UNIT (PCU) 26 July 2002 3.6.3 CHARGE CORONA UNIT, GRID, WIRE, AND CLEANER 1. Modular cable [A] 2. Charge corona unit [C] (Loosen ! [B], " x 1) B051R206.WMF 3. Front bracket (! x 1) [D] 4. Grid [E] 5.

  • Page 105: Charge Corona Wire Cleaner Motor

    26 July 2002 PHOTOCONDUCTOR UNIT (PCU) 3.6.4 CHARGE CORONA WIRE CLEANER MOTOR 1. Charge corona unit (☛ 3.6.3) 2. Front cover [A] (! x 3) 3. Motor [B] B051R208.WMF 3.6.5 OPC BELT CLEANING UNIT 1. O/B waste toner bottle (☛ 3.6.2) 2.

  • Page 106: Paper Transfer Unit

    PAPER TRANSFER UNIT 26 July 2002 3.7 PAPER TRANSFER UNIT 3.7.1 VERTICAL TRANSPORT UNIT 1. Open the right lower cover [A]. 2. Right cover [B] (! x 1) B051R401.WMF 3.7.2 TRANSFER ROLLER 1. Brace [A] (! x 1) 2. Guide [B] NOTE: To remove the screws, turn the roller unit on its pivot.

  • Page 107: Fusing/Paper Exit

    26 July 2002 FUSING/PAPER EXIT 3.8 FUSING/PAPER EXIT CAUTION Turn off the main switch and wait until the fusing unit cools down before beginning any of the procedures in this section. The fusing unit can cause serious burns. 3.8.1 FUSING UNIT NOTE: 1) After removing the fusing unit, see if oil drips from the exit of the oil pipe.

  • Page 108: Oil Supply Pad

    FUSING/PAPER EXIT 26 July 2002 3.8.3 OIL SUPPLY PAD CAUTION: Empty silicone oil out of the oil supply unit into a vessel or container before beginning the following steps. 1. Oil supply unit [A] (☛ 3.8.2) 2. Springs [B] x 2 3.

  • Page 109: Oiling Roller And Oil Supply Roller

    26 July 2002 FUSING/PAPER EXIT 3.8.5 OILING ROLLER AND OIL SUPPLY ROLLER B051R560.WMF 1. Oil supply unit (☛ 3.8.2) 2. Upper cover (☛ 3.8.6) 3. Oil supply roller [A] (Spring x 2, Bushing x 2) 4. Oiling roller [B] (Spring x 2, Bushing x 2) NOTE: The bushings on the oiling roller [C] are different from those on the oil supply roller [D].

  • Page 110: Fusing Lamps

    FUSING/PAPER EXIT 26 July 2002 3.8.6 FUSING LAMPS 1. Oil supply unit (☛ 3.8.2) 2. Gear bracket [A] (! x 2) 3. Upper cover [B] (! x 1, shoulder screw x 1) B051R510.WMF 4. Pull out the lamp (350W) [C] (! x 5.

  • Page 111: Fusing Inner Unit

    26 July 2002 FUSING/PAPER EXIT 3.8.7 FUSING INNER UNIT 1. Lamps (☛ 3.8.6) 2. Drive gear [A] 3. Hot roller lamp harness terminal [B] (! x 1) 4. Fusing inner unit [C] (! x 2, " x 3) B051R512.WMF 3.8.8 PRESSURE ROLLER THERMOFUSE 1.

  • Page 112: Hot Roller Strippers

    FUSING/PAPER EXIT 26 July 2002 3.8.9 HOT ROLLER STRIPPERS 1. Oil supply unit (☛ 3.8.2) 2. Fusing lamps (☛ 3.8.6) 3. Fusing inner unit (☛ 3.8.7) 4. Gear [A] NOTE: Remove the gear before removing the stripper pawl assembly; otherwise, the gear may be damaged.

  • Page 113: Pressure Roller, Pressure Roller Gear, And Cleaning Roller

    26 July 2002 FUSING/PAPER EXIT 3.8.11 PRESSURE ROLLER, PRESSURE ROLLER GEAR, AND CLEANING ROLLER B051R505.WMF 1. Pressure roller unit (☛ 3.8.10) 2. Gear [A] 3. Spring [B] ($ x 1) 4. Hot roller stripper assembly [C] (! x 2) 5. Front bracket [D] (! x 1) 6.

  • Page 114: Pressure Roller Thermistor

    FUSING/PAPER EXIT 26 July 2002 3.8.12 PRESSURE ROLLER THERMISTOR B051R514.WMF 1. Pressure roller unit (☛ 3.8.9) 2. Pressure roller lower stay [A] (! x 2) 3. Pressure roller thermistor holder [B] (! x 1) 4. Pressure roller thermistor [C] 3-32...

  • Page 115: Oil Absorbers

    26 July 2002 FUSING/PAPER EXIT 3.8.13 OIL ABSORBERS B051R516.WMF B051R825.WMF 1. Fusing inner unit (☛ 3.8.7) 2. Absorber 1 [A] 3. Pressure roller unit (☛ 3.8.10) 4. Absorber holder [B] (! x 1) 5. Absorber 2 [C] 6. Spring [D] 7.

  • Page 116: Paper Exit/Overflow Sensors

    FUSING/PAPER EXIT 26 July 2002 3.8.14 PAPER EXIT/OVERFLOW SENSORS CAUTION Turn off the main switch and wait until the paper exit unit cools down before beginning any of the procedures in this section. The paper exit unit can cause serious burns. 1.
  • Page 117 26 July 2002 FUSING/PAPER EXIT 6. Paper exit tray [A] (! x 2) 7. Paper exit lower cover [B] (! x 1) B051R507.WMF 8. Paper exit unit [C] (" x 3, ! x 1) NOTE: Remove 2 connectors before removing the unit. To remove the last connector, remove the unit and turn it over.

  • Page 118: Paper Feed And Transport

    PAPER FEED AND TRANSPORT 26 July 2002 3.9 PAPER FEED AND TRANSPORT 3.9.1 FEED ROLLER AND FRICTION PAD 1. Paper trays [A] B051R601.WMF 2. Slide out the shaft [B] (# x 1). 3. Feed roller [C] (1 hook) 4. Friction pad [D] (2 hooks) B051R952.WMF 3-36...

  • Page 119: Registration Sensor

    26 July 2002 PAPER FEED AND TRANSPORT 3.9.2 REGISTRATION SENSOR 1. Front cover [A] (L-shaped pin x 2) 2. Remove the upper tray. 3. Rear cover, lower rear cover, and lower left cover (☛ 3.4.2) 4. Right cover (☛ 3.7.1) 5.
  • Page 120 PAPER FEED AND TRANSPORT 26 July 2002 11. Rear right cover [A] (! x 6) B051R604.WMF 12. Bracket [B] (! x 3) 13. Open the controller box [C] (" x 1, ! x 6) B051R605.WMF 3-38...

  • Page 121: Paper Feed Clutch

    26 July 2002 PAPER FEED AND TRANSPORT 14. Handle guard [A] (! x 2) 15. Pull out the handle [B]. 16. Loosen the two screws on the paper feed clutch bracket (☛ 3.11.6). 17. Vertical transport clutch [C] (" x 1) B051R606.WMF 18.

  • Page 122: Paper Feed Sensor 1

    PAPER FEED AND TRANSPORT 26 July 2002 3.9.3 PAPER FEED SENSOR 1 1. Transport stay (☛ 3.9.2) 2. Paper feed sensor 1 [A] (" x 1) NOTE: Unhook the rear two pawls first, move the feeler, and unhook the front pawl. B051R609.WMF 3.9.4 PAPER NEAR-END SENSORS 1.

  • Page 123: Paper Feed Sensor 2

    26 July 2002 PAPER FEED AND TRANSPORT 3.9.5 PAPER FEED SENSOR 2 1. Controller box (☛ 3.9.2). 2. Paper trays (☛ 3.9.1) 3. Connector bracket [A] (! x 2) 4. Vertical transport clutch [B] (" x 1) 5. Bushing [C] (# x 1) B051R612.WMF 6.

  • Page 124: Paper End Sensor 1

    PAPER FEED AND TRANSPORT 26 July 2002 3.9.6 PAPER END SENSOR 1 1. Transport stay (☛ 3.9.2) 2. Lower the feeler [A]. 3. Sensor bracket [B] (! x 1) 4. Paper end sensor 1 [C] (" x 1) B051R611.WMF 3.9.7 PAPER END SENSOR 2 1.

  • Page 125: Electrical Components

    26 July 2002 ELECTRICAL COMPONENTS 3.10 ELECTRICAL COMPONENTS 3.10.1 EXHAUST FAN AND I/O BOARD 1. Rear cover (☛ 3.4.2) 2. Bracket [A] (! x 3) 3. Open the controller box [B] (! x 6) B051R605.WMF 4. Exhaust fan [C] (! x 2) 5.

  • Page 126: Bicu Board And Controller Board

    ELECTRICAL COMPONENTS 26 July 2002 3.10.3 BICU BOARD AND CONTROLLER BOARD 1. Rear cover (☛ 3.4.2) 2. Fan [A] (" x 1, ! x 5) 3. Bracket [B] (! x 2) 4. BICU board cover [C] (! x 11) 5. Option component cover [D] B051R821.WMF 6.

  • Page 127: Hdd

    26 July 2002 ELECTRICAL COMPONENTS 3.10.4 HDD 1. Optional component cover (☛ 3.10.3) 2. HDD [A] (" x 2, ! x 8) After replacing the hard disk, download the preset stamp data from an IC card. B051R823.WMF 3.10.5 HIGH VOLTAGE SUPPLY BOARD 1.

  • Page 128: Power Supply Unit

    ELECTRICAL COMPONENTS 26 July 2002 3.10.6 POWER SUPPLY UNIT NOTE: When having removed the oil pipe from the oil tank, lift the end of the pipe and stick it to the right side of the machine with tape. See if oil does not drip from the pipe.

  • Page 129: Drive Units

    26 July 2002 DRIVE UNITS 3.11 DRIVE UNITS 3.11.1 DEVELOPMENT CLUTCHES K and Y Development Units 1. Open the controller box (☛ 3.9.2). 2. I/O board cover (☛ 3.10.1) 3. Unhook the locks [A] and pull out the clutches [B] (" x 1). NOTE: When reassembling, connect the black clutch connector to the DK-CL...

  • Page 130: Development Motor

    DRIVE UNITS 26 July 2002 3.11.2 DEVELOPMENT MOTOR 1. Open the controller box (☛ 3.9.2). 2. Remove the screws from the EX I/O board (☛ 3.10.2). NOTE: You need not remove the connectors. 3. Development motor [A] (" x 1, ! x 3) B051R805.WMF 3.11.3 MAIN MOTOR 1.

  • Page 131: Pcu Gear Box

    26 July 2002 DRIVE UNITS 3.11.4 PCU GEAR BOX 1. Open the controller box (☛ 3.9.2). 2. Main motor (☛ 3.11.3) 3. C and M development unit clutches (☛ 3.11.1) 4. Tension spring [A] 5. PCU gear box assembly [B] (" x 1, ! x 5) NOTE: When reassembling, make sure the tension spring [A] is...

  • Page 132: Paper Feed Clutch 1

    DRIVE UNITS 26 July 2002 3.11.6 PAPER FEED CLUTCH 1 1. Open the controller box (☛ 3.9.2). 2. Handle guard (☛ 3.9.2) 3. Pull out the handle [A]. 4. Connector bracket [B] (! x 2) 5. Paper feed clutch 1 [C] ("...

  • Page 133: Paper Feed Clutch 2

    26 July 2002 DRIVE UNITS 3.11.8 PAPER FEED CLUTCH 2 1. Open the controller box (☛ 3.9.2). 2. Flywheel (! x 3) 3. Duct [A] with bracket [B] (" x 1, ! x 1) 4. Pull out the lower tray. 5.

  • Page 134: Oil Pump

    DRIVE UNITS 26 July 2002 3.11.10 OIL PUMP B051R822.WMF 1. Open the control box (☛ 3.9.2) 2. Pipes [A, B] NOTE: 1) Keep a piece of waste cloth at hand. Oil may drip from the pipe. 2) When reinstalling the pump, make sure to attach the upper tube correctly to the oil exit [C].

  • Page 135: Copy Adjustment

    26 July 2002 COPY ADJUSTMENT 3.12 COPY ADJUSTMENT 3.12.1 PRINTING NOTE: 1) Make sure the paper is installed correctly in each paper tray before you start these adjustments. 2) Use the Trimming Area Pattern (SP5-955-1, No.11) to print the test pattern for the following procedures.

  • Page 136: Blank Margin

    COPY ADJUSTMENT 26 July 2002 Blank Margin NOTE: If the leading edge/side-to-side registration cannot be adjusted within the specifications, adjust the leading/back side edge trim margin. 1. Check the trailing edge and front side edge blank margins, and adjust them using the following SP modes.

  • Page 137: Scanning

    26 July 2002 COPY ADJUSTMENT 3.12.2 SCANNING Before doing the following scanner adjustments, perform or check the printing registration/side-to-side adjustment and the blank margin adjustment. NOTE: Use a C4 test chart to perform the following adjustments. Scanner Sub-Scan Magnification 1. Place the test chart on the exposure glass and make a copy from one of the feed stations.

  • Page 138: Main Scan Dot Position Correction

    COPY ADJUSTMENT 26 July 2002 Main Scan Dot Position Correction NOTE: Before adjusting the scanner, adjust the printer registration. 1. Enter the Copy SP mode and open SP4-932. 2. Check that each value corresponds to the factory-set value. 3. Touch the COPY Window key and copy the C-4 chart in the full-color photo mode.

  • Page 139: Ardf Image Adjustment

    26 July 2002 COPY ADJUSTMENT 3.12.3 ARDF IMAGE ADJUSTMENT ARDF Side-to-Side and Leading Edge Registration A: Sub-registration B: Main registration B051R921.WMF B051R928.WMF Make a temporary test chart as shown above using A3/DLT paper. 1. Place the temporary test chart on the ARDF and make a copy from one of the feed stations.

  • Page 140: Ardf Skew Adjustment

    COPY ADJUSTMENT 26 July 2002 ARDF Skew Adjustment B051T500.WMF When making a copy using the ADF and the image is skewed, do the following to fix the skewed image. NOTE: Before doing the following step, make sure to confirm whether or not the copy images made in platen mode and test patterns are not skewed.

  • Page 141: Color Adjustment

    26 July 2002 COLOR ADJUSTMENT 3.13 COLOR ADJUSTMENT 3.13.1 AUTO COLOR CALIBRATION (ACC) The machine automatically calibrates the printer gamma curve. the ACC Test Pattern is printed by the UP mode. The machine scans the test pattern and corrects the printer gamma by comparing the ideal setting with the current image density.

  • Page 142: Printer Gamma Correction

    COLOR ADJUSTMENT 26 July 2002 3.13.2 PRINTER GAMMA CORRECTION NOTE: Normally, the ACC is enough to adjust the color balance to achieve the optimum print output. The printer gamma correction is only required for fine-tuning to meet user requirements. The printer gamma curve created during ACC can be modified using SP modes. The SP value will be applied to the gamma curve created during ACC.
  • Page 143 26 July 2002 COLOR ADJUSTMENT Adjustment Procedure 1. Copy the C-4 chart in mode that you are going to adjust. 2. Enter the SP mode. 3. Select “Copy SP”. 4. Enter SP4-918 and select the screen that you are going to adjust. 5.
  • Page 144 COLOR ADJUSTMENT 26 July 2002 - Photo Mode, Single Colour - Step Item to Adjust Level on the C-4 chart Adjustment Standard ID max: Adjust the offset value so that the density of level 10 matches that of level 10 on the C-4 chart. Middle (Middle ID) Adjust the offset value so that the density of level 6 matches...
  • Page 145 26 July 2002 COLOR ADJUSTMENT - Text (Letter) Mode, Single Colour - Step Item to Adjust Level on the C-4 chart (K) Adjustment Standard ID max: Adjust the offset value so that the density of level 10 matches that of level 10 on the C-4 chart. Middle (Middle ID) Adjust the offset value so that the density of level 6 matches...

  • Page 146: Printer Mode

    COLOR ADJUSTMENT 26 July 2002 Printer Mode There are five adjustable modes selected by printer SP1-102: • 1800 x 1200 photo mode • 1800 x 600 text mode • 1800 x 600 graph mode • 600 x 600 photo mode •...
  • Page 147 26 July 2002 COLOR ADJUSTMENT Adjustment Reference For Gamma Correction The following tables show the adjustment reference for gamma correction. The tables show the level of the color scale on the C4 test chart and on the tone control test sheet printed in the printer SP mode. For example, for K at text mode, grade 12 on the tone control test sheet should be the same as grade 7 on the C4 chart.

  • Page 148: Scanner White Level Adjustment

    5. Compare the value with the values in table 1 (when Hammermill Copy Plus is used) or 2 (when Ricoh Copy paper for Aficio Color is used). 6. Increase or decrease the values in SP4-685-1, 686-1, and 687-1 if necessary.
  • Page 149 26 July 2002 SCANNER WHITE LEVEL ADJUSTMENT Table 1: Hammermill Copy Plus, 20 lbs. (North America) SP4-685-001 SP4-686-001 SP4-687-001 SP4-902-2 Necessary (Reference (Reference (Reference (G_DATA1) adjustment Adjustment: R) Adjustment: G) Adjustment: B) Increase the values in SP4- 685-1, 686-1, and 687-1. No adjustment is ±0 ±0...
  • Page 150 SCANNER WHITE LEVEL ADJUSTMENT 26 July 2002 Table 2: Ricoh Copy paper for Aficio Color, 100 g (Europe) SP4-685-001 SP4-686-001 SP4-687-001 SP4-902-2 Remarks (Reference (Reference (Reference (G_DATA1) Adjustment: R) Adjustment: G) Adjustment: B) Increase the values in SP4- 685-1, 686-1, and 687-1.

  • Page 151: Touch Screen Calibration

    26 July 2002 TOUCH SCREEN CALIBRATION 3.15 TOUCH SCREEN CALIBRATION After clearing the memory, or if the touch screen detection function is not working correctly, follow this procedure to calibrate the touch screen. NOTE: Do not attempt to use items [2] to [9] on the Self-Diagnostic Menu. These items are for design use only.

  • Page 152: Troubleshooting

    26 July 2002 SERVICE CALL 4. TROUBLESHOOTING 4.1 SERVICE CALL 4.1.1 SERVICE CALL CONDITIONS Level Definition Reset Procedure Fusing unit SCs displayed on the operation Turn the main power switch off panel. The machine is disabled. The user then on before entering SP mode. cannot reset the SC.

  • Page 153: Sc Table

    SERVICE CALL 26 July 2002 4.1.2 SC TABLE Symptom Possible Cause Definition Exposure lamp error • Exposure lamp defective The standard white level is not • Lamp stabilizer defective properly detected when scanning the • Exposure lamp connector defective shading plate. (The shading data •...
  • Page 154 26 July 2002 SERVICE CALL Symptom Possible Cause Definition Serial number mismatch • NVRAM defective Serial number stored in the memory • BICU replaced without original NVRAM is not correct. NOTE: Check the serial number with SP5-811-002. If the stored serial number is incorrect, contact your product specialist for details of how to solve the problem.
  • Page 155 SERVICE CALL 26 July 2002 Symptom Possible Cause Definition Image transfer belt mark detection error • An imaging process starts. → No • Defective BICU • Poor electrical connection between belt mark is detected within 1 revolution. sensor and BICU •...
  • Page 156 26 July 2002 SERVICE CALL Symptom Possible Cause Definition Development error 2 (C/M) A development process starts. → The • Short circuit in the development unit • Defective high voltage supply board returning voltage exceeds the target • Defective harness (BICU - high voltage by 0.5 Volt or more for 60 milliseconds.

  • Page 157: Lift Motors

    SERVICE CALL 26 July 2002 Symptom Possible Cause Definition Discharge plate error • Short circuit in the discharge plate During discharging, the leakage • Defective high voltage supply board detection signal is low for 60 • Defective harness (BICU - high voltage milliseconds.
  • Page 158 26 July 2002 SERVICE CALL Symptom Possible Cause Definition 4th tray error • The tray lift motor turns on. → The • Defective paper height sensor • Defective tray lift motor top of the paper stack is not detected for 18 seconds. •...
  • Page 159 SERVICE CALL 26 July 2002 Symptom Possible Cause Definition Low temperature error (heating roller) • Defective lamp (loose connection, During standby or operation, the heating roller thermistor detects thermostat failure, PSU, thermostat) • Incorrect detection (loose thermistor 100 °C or less for 5 seconds. connection, fusing - drawer loose connection) Full power error (heating roller)

  • Page 160: Controller Board

    26 July 2002 SERVICE CALL Symptom Possible Cause Definition Fusing oil end • Insufficient oil (the oil tank in the rear of 500 sheets of paper have been output since oil end was detected. the machine) • Defective oil pipe •...
  • Page 161 SERVICE CALL 26 July 2002 Symptom Possible Cause Definition Engine startup error • Defective controller board Just after the main power is turned on or the machine is recovering from auto off mode, the engine ready signal assertion fails. Just after the main power is turned on, the engine does not respond.

  • Page 162: Stapler Motor

    26 July 2002 SERVICE CALL Symptom Possible Cause Definition Finisher stack feed-out motor error (1000-sheet finisher) • Stack feed-out HP sensor defective The stack feed-out belt H.P sensor • Stack feed-out motor defective does not activate within a certain time •...

  • Page 163: Tray Motor

    SERVICE CALL 26 July 2002 Symptom Possible Cause Definition • Output tray motor error (500-sheet finisher) • Exit guide plate motor error (1000-sheet finisher) • Defective finisher control board The tray upper limit sensor does not • Defective BICU activate within a certain time after the •...
  • Page 164 26 July 2002 SERVICE CALL Symptom Possible Cause Definition Interchange unit error • Incorrect installation The machine recognizes the duplex • Defective connector unit/1-bin tray unit, but does not • Defective cable recognize the interchange unit. Startup without video output end error (K) •...
  • Page 165 SERVICE CALL 26 July 2002 Symptom Possible Cause Definition Startup without video input end error (B) • Defective controller board Video transfer to the engine is started, but a video transmission end command is not issued by the engine within the specified time. Watchdog error •...
  • Page 166 26 July 2002 SERVICE CALL Symptom Possible Cause Definition Self-Diagnostic Error: Parallel Interface • Loopback connector not detected A loopback test error occurred. • IEEE1284 connector defective • Defective controller board Self-diagnostic Error: Resident Font ROM • Font ROM defective The resident font ROM returned an error during the self-diagnostic test.
  • Page 167 SERVICE CALL 26 July 2002 Symptom Possible Cause Definition Bad sector count at the maximum • Data corruption The hard disk has 100 bad sectors in the image storage area. → More data • Defective hard disk is read from the hard disk. → SC863 occurs.
  • Page 168 26 July 2002 SERVICE CALL Symptom Possible Cause Definition Net file error • Defective hardware The management file for net files is • Data corruption corrupted; net files are not normally • Defective software read. Netfiles: Jobs to be printed from the document server using a PC and the DeskTopBinder software Software performance error...

  • Page 169: Self-Diagnostic Mode

    SELF-DIAGNOSTIC MODE 26 July 2002 4.2 SELF-DIAGNOSTIC MODE 4.2.1 OVERVIEW There are three types of self-diagnostics for the controller. • Power-on self-diagnostics: The machine automatically starts the self-diagnostics just after the power has been turned on. • Detailed self-diagnostics: The machine does the detailed self-diagnostics by using a loop-back connector (P/N G0219350) •...

  • Page 170: Detailed Self-Diagnostics

    26 July 2002 SELF-DIAGNOSTIC MODE 4.2.2 DETAILED SELF-DIAGNOSTICS This detailed self-diagnostic test requires a loop-back connector (P/N: G0219350). 1. Turn off the machine and attach the loop-back connector to the parallel interface. " 2. Hold down , press and hold down , and then while pressing both keys at the same time, switch on the machine.

  • Page 171: Image Test Mode

    IMAGE TEST MODE 26 July 2002 4.3 IMAGE TEST MODE 4.3.1 OVERVIEW The SBU, BICU, and LD board have the function that prints out their test pattern. It is useful to find the defective board when the image data problem is occurred. 4.3.2 VPU TEST The SBU has the VPU test pattern.

  • Page 172: Electrical Component Defects

    26 July 2002 ELECTRICAL COMPONENT DEFECTS 4.4 ELECTRICAL COMPONENT DEFECTS 4.4.1 SENSORS Component Condition Symptom (Symbol) Fusing exit A paper jam is detected when paper is fed; and sensor Open the paper jam is cleared when the paper is removed (I/O board) Shorted A paper jam is detected when paper is not fed.
  • Page 173 ELECTRICAL COMPONENT DEFECTS 26 July 2002 Component Condition Symptom (Symbol) Paper feed A paper jam is detected when paper is fed; and sensor 2 Open the paper jam is not cleared when the paper is removed. A paper jam is detected when paper is fed; and (I/O board) the paper jam is not cleared when the paper is Shorted...

  • Page 174: Switches

    26 July 2002 ELECTRICAL COMPONENT DEFECTS 4.4.2 SWITCHES Component Condition Symptom (Symbol) Exit cover Open The user is prompted to close the exit cover. switch (I/O board) Shorted No symptom is seen. Front cover Open The user is prompted to close the front cover. switch (I/O board) Shorted...

  • Page 175: Check Points For Image Problems At Regular

    CHECK POINTS FOR IMAGE PROBLEMS AT REGULAR INTERVALS 26 July 2002 4.5 CHECK POINTS FOR IMAGE PROBLEMS AT REGULAR INTERVALS Image problems may appear at regular intervals that depend on the circumference of certain components. The following diagram shows the possible symptoms (black or white dots at regular intervals).

  • Page 176: Service Tables

    26 July 2002 SERVICE PROGRAM MODE 5. SERVICE TABLES 5.1 SERVICE PROGRAM MODE CAUTION Do not turn off the main power switch while the power LED ( ) lights or flashes. Doing so may severely damage the hard disk or the memory of the copier.

  • Page 177: Sp Mode Touch Screen

    SERVICE PROGRAM MODE 26 July 2002 SP Mode Touch Screen For details on the SP modes, see section 5.1.2. B051S500.WMF ➀ ➀ ➀ ➀ Expands all SP mode menus. ➁ ➁ ➁ ➁ Collapses all SP mode menus. ➂ ➂ ➂ ➂ Opens the copy window (☛...

  • Page 178: Copy Window For Test Printing

    26 July 2002 SERVICE PROGRAM MODE Copy Window for Test Printing 1) Touch the “Copy Window” button (☛ SP Mode Touch Screen). The copy window is displayed. 2) Adjust the settings if necessary, and press the ( (start) key to make the test print.

  • Page 179: Sp Mode Table

    SERVICE PROGRAM MODE 26 July 2002 5.1.2 SP MODE TABLE In the “Function/[Setting]” column: • The related pop-up screen name and function name (if any) appear in parenthesis following the function description. • are in italics. Comments • The setting range is enclosed in brackets, with the default setting written in bold.
  • Page 180 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 003* Tray: Small Size [–4 ~ 6 / 0 / 1 mm/step] Small Size includes LT long edge feed and smaller. By-pass: Plain [–4 ~ 6 / 0 / 1 mm/step] By-pass: Thick [–4 ~ 6 / –2 / 1 mm/step]...
  • Page 181 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Heating: Duplex/Full Sets the heating roller temperature for duplex printing 105* Color (both sides) in full-color mode. [120 ~ 190 / 165 / 1°C/step] Sets the temperature at which the pressure roller starts Pressure: Idling idling.
  • Page 182 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) LEF Priority–Bypass LEF Priority–Bypass Selects the default paper feed direction of the by-pass tray. [0 ~ 1 / 0 / 1 /step] •...

  • Page 183: Sp2-Xxx: (Drum)

    SERVICE PROGRAM MODE 26 July 2002 SP2-XXX: (Drum) Mode No. Function / [ Setting ] (Class 1, 2, and 3) 001* Charge Bias Adjusts the charge corona unit grid voltage. [300 ~ 800 / 500 / 1 Volt/step] Only effective is SP3-003 is set to 0. No Image Area Charger Current Adjusts the charge corona unit current.
  • Page 184 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) [30 ∼ 140 / 130 / 10 µA/step] 4 Colors: 2nd color The second color toner image of 4-color printing [30 ∼ 140 / 130 / 10 µA/step] 3 Colors: 3rd color The third color toner image of 3-color printing [30 ∼...
  • Page 185 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) 305* Transfer Belt Start Bias On Off Sets the bias for the image transfer start to on or off. [0 ~ 1 / 1 / 1/step] DFU •...
  • Page 186 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) [0 ~ 70.0 / 24.0 / 0.1 µA/step] 310* Thick/2nd/129-209 [0 ~ 70.0 / 26.0 / 0.1 µA/step] Thick/2nd/-128 [0 ~ 70.0 / 16.0 / 0.1 µA/step] OHP/297 [0 ~ 70.0 / 22.0 / 0.1 µA/step] OHP/210...
  • Page 187 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) 312* Paper Trans_NN1 (Paper Transfer NN1) ) is 8.0 < AH ≤ 14 NN1: Absolute humidity AH (g/m The display indicates: Paper Weight/Side 1 or 2/Paper Width (mm) Nrml: Thin paper, Mid: Normal plain paper, Thk: Thick paper Normal/1st/-297 Sets the paper transfer current for the ‘NN1’...
  • Page 188 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) [0 ~ 70.0 / 42.0 / 0.1 µA/step] 313* Normal/1st/-128 [0 ~ 70.0 / 37.0 / 0.1 µA/step] Middle/1st/-297 [0 ~ 70.0 / 39.0 / 0.1 µA/step] Middle/1st/257-296 [0 ~ 70.0 / 40.0 / 0.1 µA/step] Middle/1st/210-256...
  • Page 189 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) [0 ~ 70.0 / 24.0 / 0.1 µA/step] 314* Thick/1st/-128 [0 ~ 70.0 / 44.0 / 0.1 µA/step] Normal/2nd/-297 [0 ~ 70.0 / 44.0 / 0.1 µA/step] Normal/2nd/257-296 [0 ~ 70.0 / 44.0 / 0.1 µA/step] Normal/2nd/210-256...
  • Page 190 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Normal/2nd/Trailing Adjusts the paper transfer current at the paper edges. edge [10.0 ~ 20.0 / 10.0 / 0.1 times/step] DFU Thick/1st/Trailing edge The specified values indicate how many times larger the current at the edge is.
  • Page 191 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) 402* Cleaning Bias NN1 1 Color Adjusts the transfer belt cleaning voltage when absolute humidity AH (g/m ) is in the following range: 8.0 <...
  • Page 192 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 501* Fusing Bias Switch Fusing Bias Switch Switches the fusing and discharge pin bias control on or off. [0 ~ 1 / 1 / 1/step] DFU •...
  • Page 193 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) 912* Humidity 2 Displays the absolute humidity calculated from the temperature/humidity sensor readings. [0 ~ 65535 / 0 / 0.1 g/m /step] Environment Level Displays the current humidity level calculated from the absolute humidity.
  • Page 194 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Image Coverage–1 Specifies standard average coverage condition 1. [50 ~ 800 / 300 / 10 units/step] OPC lubrication is executed under the following conditions.
  • Page 195 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Clock Phase Control LD 1 Adjusts the clock phase of the LD to reduce the density difference between the left and right sides of the printout LD 2 when the color misalignment correction (SP2–952–1) is enabled.

  • Page 196: Sp3-Xxx: (Process)

    26 July 2002 SERVICE PROGRAM MODE SP3-XXX: (Process) Mode No. Function / [ Setting ] (Class 1, 2, and 3) Process Control Execute Does a forced process control, and displays the result as one of the following codes. Display Displays the completion code. •...
  • Page 197 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) [–30000 ~ 30000 / 2000 / 1 /step] gamma Y Gamma K [–30000 ~ 30000 / 5000 / 1 /step] Invariable-M [–3000 ~ 3000 / 150 / 1 /step] Invariable-C [–3000 ~ 3000 / 150 / 1 /step] Invariable-Y...
  • Page 198 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 006* Density Adjustment M/A Correction Select the toner density compensation level for process control. If prints are not dark enough when making multi- Highlight Correction print jobs, increasing this value ensures that prints will be darker after the next process control.
  • Page 199 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) 921* Lubricant time Job end Specifies the duration of lubrication at the end of jobs. [0 ~ 30 / 20 / 1 /step] DFU Doctor roller reverse Specifies the duration of lubrication during reverse operation...

  • Page 200: Sp4-Xxx: (Scanner)

    26 July 2002 SERVICE PROGRAM MODE SP4-XXX: (Scanner) Mode No. Function / [ Setting ] (Class 1, 2, and 3) 008* Scanner Sub Scan Magnification Scanner Sub Scan Adjusts the magnification in the sub scan direction for Magnification scanning. [0.0 ~ 1.0 / 0.0 / 0.1 %/step] Use the ! key to toggle between + and –...
  • Page 201 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) APS Minimum Size Setting Selects whether the copier determines that the original is A5 size when the APS sensor cannot detect the size. [0 ∼...
  • Page 202 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Adjust the vector correction of the filter in the CCD on the SBU unit. [–128 ∼ 127 / 0 / 1 /step] When replacing the SBU, input the data from the data sheet that is included with the spare SBU unit.
  • Page 203 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Vertical Line Correction Vertical Line Adjusts the strength of the vertical line's correction with Correction sheet through DF. [0 ∼ 4 / 0 / 1 /step] •...

  • Page 204: Sp5-Xxx: (Mode)

    26 July 2002 SERVICE PROGRAM MODE SP5-XXX: (Mode) Mode No. Function / [ Setting ] (Class 1, 2, and 3) Set Display Language Set Display Language Selects the language on the display. [1 ∼ 16 / 1 / 1 /step] •...
  • Page 205 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Optional Counter Type Optional Counter Type Determines the type of accounting device. [0 ∼ 9 / 0 / 1 /step] • 0: None •...
  • Page 206 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Setting Time Setting Time Sets the clock. Time zone Sets the time zone. North America: [–1440 ∼ 1440 / –300 / 1 minute/step] Europe: [–1440 ∼...
  • Page 207 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Activates/inactivates document server access control 401* DS: User Code (UC) using user codes. [0 ∼ 1 / 0 / 1 /step] • 0: Inactivates •...
  • Page 208 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 401* Scanner: User Code Activates/inactivates scanner mode access control using (UC) user codes [0 ∼ 1 / 0 / 1 /step] • 0: Inactivates •...
  • Page 209 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Activates the auto user code registration function (prints 401* Printer: UC Auto are counted and logged for each user code and the counts can be viewed with SmartNetMonitor).
  • Page 210 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 401* Copy: UC Full Color Activates/inactivates full color copying access control using user codes. [0 ∼ 1 / 0 / 1 /step] •...
  • Page 211 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Access code Password Registers/changes the password for the key operator. [0 ∼ 99999999 / 0 / 1 /step] “0” indicates no code has been registered. SP7-810 can be used to clear the key operator password.
  • Page 212 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) CC call Japan Only CC201 ON/OFF Enables/disables alarms for unremoved jams. [0 ∼ 1 / 0 / 1 /step] (Remain of Jam) •...
  • Page 213 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) CC101 Manual Call Selects how the machine handles the consecutive jam ON/OFF alarm. [0 ∼ 1 / 1 / 1 /step] (Jam Operation: Time •...
  • Page 214 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Clears the IPU settings. [0 ~ 1 / 0 / 1/step] DCS Memory Clear Clears the DCS settings. [0 ~ 1 / 0 / 1/step] UCS Memory Clear Clears the UCS settings.
  • Page 215 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) NVRAM Data Upload NVRAM Data Upload Use this to copy NVRAM data from the machine to a flash card. NVRAM Data Download NVRAM Data Imports data from a flash card to the NVRAM.
  • Page 216 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) File Transfer Capture server IP Displays/specifies the capture server IP address. [00000000000h ∼ FFFFFFFFFFF1 / 0 / 1 /step] address Archive: Copier Validates/invalidates auto-store functions.
  • Page 217 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Prevents initiators from logging on or makes initiators log Logout off. [0 ∼ 1 / 0 / 1 /step] • 0: Prevents the initiators (having already logged on) to log on if they try to log on •...
  • Page 218 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Error Display Time Specifies the display time of the distribution error. [0 ∼ 999 / 300 / 1 /step] Delivery Option Selects the distribution option. [0 ∼...
  • Page 219 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Counter Clear Day Indication Displays the date when the electrical counter was reset to zero. Display of Counter Allows or does not allow printing the counter clear day Clear Day on the user counter list.
  • Page 220 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) CSV Password Check CSV Password Check CSV: Copy server (document server) When a document is stored with a password on the copy server, and this document is selected later at the operation panel, this SP determines whether the password is displayed or greyed out.
  • Page 221 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Copier UP Data (Copy [0 ~ 0xff / 0x00 / 0 /step] 990* Management Report) Prints SP setting data. Scanner SP [0 ~ 255 / 0 / 0 /step] •...

  • Page 222: Sp6-Xxx: (Peripherals)

    26 July 2002 SERVICE PROGRAM MODE SP6-XXX: (Peripherals) Mode No. Function / [ Setting ] (Class 1, 2, and 3) 006* ADF Adjustment S-to-S Registration Adjusts the side-to-side registration of the optional ADF. [–5.0 ∼ 5.0 / 0 / 0.1 mm/step] The main scan registration of the ADF cannot be adjusted.
  • Page 223 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) ADF Free Run ADF Free Run Executes an ADF free run. [0 ∼ 1 / 0 / 1 /step] • 0: End •...
  • Page 224 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 500 Fin Upper Limit Displays the signals received from sensors and switches in the finisher. 500 Fin Near Limit See section 5.1.4 500 Fin Staple Cover 500 Fin Stapler Home Position...

  • Page 225: Sp7-Xxx: (Data Log)

    SERVICE PROGRAM MODE 26 July 2002 SP7-XXX: (Data Log) Mode No. Function / [ Setting ] (Class 1, 2, and 3) 001* Operation Time Operation Time Displays the main motor operation time. [0000000 ∼ 9999999 / 0 / 1 minute/step] Logging this operation time helps identify the cause of a difficulty by analyzing the correlation between the printing count and the OPC-belt operation time.
  • Page 226 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 101* LG (8 " x 14") Displays the counter values for each paper size. [0 ~ 9999999 / 0 / 0 sheet/step] LT (8 "...
  • Page 227 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Copy Counter: Copy Mode Text Displays the copy count for each mode. [0 ∼ 9999999 / 0 / 1 /step] T/P (Glossy Photo) T/P (Printed Photo) T/P (Copied Photo) Photo (Glossy Photo)
  • Page 228 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Document Server–Scan Counter Document Server– Displays the number of pages scanned into the Scan Counter document server. [0 ∼ 9999999 / 0 / 1 /step] Document Server–Original Size Displays the original count for each paper size when using the document server.
  • Page 229 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Document Server–Job Count (Set No) 1 to 1 Displays document server printing job counts classified by number of outputs. 1 to 2<-->5 [0 ∼...
  • Page 230 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 504* Registration (From Duplex) Duplex Exit Interchange Exit:: ON Paper Exit: On Bridge Exit: On Bridge Relay: On Duplex Entrance 1: On Duplex Entrance 2: On Duplex Exit: On Finisher Entrance: On...
  • Page 231 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Registration Sensor (Off Check) Relay Sensor (Off Relay Sensor = Original Trailing Edge Sensor (S9) Check) Inverter Sensor (Off Inverter Sensor = Original Reverse Sensor (S10) Check) 506* Jam by Paper Size...
  • Page 232 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) 803* Development: Y Displays the number of sheets printed for each current unit. Development: Bk [0 ~ 9999999 / 0 / 1 sheet/step] Fusing Unit For clearing the counters, see SP7-804.
  • Page 233 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Access code clear Access code clear Clears the key operator password. SP7-810 clears the key operator password. After clearing this code, stored data can be accessed without using it.
  • Page 234 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Toner Consume Displays the coverage ratios, including toner revitalization mode. [0 ~ 9999999 / 0 / 1 /step] This displays the average coverage ratio, including toner consumed during printing and toner consumed during toner revitalization mode (SP3-971).
  • Page 235 SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) High Duty Counter Used for the toner revitalization process (SP3-971). Counts the number of developments made during the past 12 hours. Assert Information (Assert Information) File Name Records the location where the last problem (SC990) was detected in the program.
  • Page 236 26 July 2002 SERVICE PROGRAM MODE Mode No. Function / [ Setting ] (Class 1, 2, and 3) Tray 2 Roller [0 ~ 255 / 0 / 1 /step] Tray 3 Roller Tray 4 Roller By-pass Feed Paper Transfer Unit Toner: M Toner: C Toner: Y...

  • Page 237: Sp9-Xxx: (Etc.)

    SERVICE PROGRAM MODE 26 July 2002 Mode No. Function / [ Setting ] (Class 1, 2, and 3) Toner End Counter Clear K Toner Clears the toner end counter (SP7-922). C Toner The machine goes back to the normal operation mode if M Toner the toner end counter is cleared.

  • Page 238: Test Pattern Printing (Sp5-955-1)

    26 July 2002 DUMMY 5.1.3 TEST PATTERN PRINTING (SP5-955-1) 1. Enter the SP mode and select SP5-955-1. 2. Enter the number for the test pattern that you want to print and press !. (See the tables below.) 3. Press Copy Window to open the copy window and then select the settings for the test print (paper size, etc.) 4.

  • Page 239: Input Check

    DUMMY 26 July 2002 5.1.4 INPUT CHECK Main Machine Input Check (SP5-803) 1. Enter the SP mode and select SP5-803. 2. Select an item that you want to check. A small box will be displayed on the SP mode screen with a series of 0’s and 1’s. The meaning of the display is as follows.
  • Page 240 26 July 2002 DUMMY SP5-803 Reading Description -XXX Discharge Bias Leak Toner End: M Toner end sensor: M Not end Toner End: C Toner end sensor: C Not end Toner End: Y Toner end sensor: Y Not end Toner End: K Toner end sensor: K Not end Toner Unit: M...
  • Page 241 DUMMY 26 July 2002 SP5-803 Reading Description -XXX Right cover (vertical guide Bank Cover 1 Closed Open switch) Bank Cover 2 2nd optional tray: Right cover (vertical guide Closed Open switch) Bank Tray 1 Set 1st optional tray: Set Not set Bank Tray 2 Set 2nd optional tray: Set Not set...

  • Page 242: Table 1: Tray 1 And 2 Paper Size

    26 July 2002 DUMMY Table 1: Tray 1 and 2 Paper Size Switch North America Europe/Asia Value 1000 " x 11" SEF " x 11" SEF 00001110 1001 B5 SEF B5 SEF 00000110 1010 " x 8 " LEF A5 LEF 00001010 1011 11"...

  • Page 243: Ardf Input Check (Sp6-007)

    DUMMY 26 July 2002 ARDF Input Check (SP6-007) 1. Enter the SP mode and select SP6-007. 2. Enter the number (1 – 11) for the item that you want to check. A small box will be displayed on the SP mode screen with a series of 0’s and 1’s, as shown below.

  • Page 244: Finisher Input Check (Sp6-117)

    26 July 2002 DUMMY Finisher Input Check (SP6-117) 1. Enter the SP mode and select SP6-117. 2. Enter the number (1 – 113) for the item that you want to check. A small box will be displayed on the SP mode screen with a series of 0’s and 1’s, as shown below.

  • Page 245: Output Check

    DUMMY 26 July 2002 5.1.5 OUTPUT CHECK NOTE: Motors keep turning in this mode regardless of upper or lower limit sensor signals. To prevent mechanical or electrical damage, do not keep an electrical component on for a long time. Main Machine Output Check (SP5-804) 1.

  • Page 246: Paper Feed

    26 July 2002 DUMMY SP5-804 Description -XXX Transfer Motor: Low Main motor: 89 mm/s Speed Regist Clutch Registration clutch Interchange Upper Interchange Junction Gate Solenoid 1 Gate Interchange Lower Interchange Junction Gate Solenoid 2 Gate By-pass Feed Clutch By-pass paper feed clutch By-pass Pick-Up By-pass pick-up solenoid Solenoid...

  • Page 247: Transport Motor

    DUMMY 26 July 2002 SP5-804 Description -XXX Fuser Main Relay Fusing Main Relay Fusing Bias Fusing Bias Scanner Lamp Bank Upper Feed 1st paper feed clutch (optional paper tray unit) Bank Lower Feed 2nd paper feed clutch (optional paper tray unit) Bank Feed Motor: L 1st paper feed motor (optional paper tray unit) Bank Feed Motor: H...

  • Page 248: Ardf Output Check (Sp6-008)

    26 July 2002 DUMMY ARDF Output Check (SP6-008) 1. Open SP6-008. 2. Select the SP number that corresponds to the component you wish to check. (Refer to the table below.) 3. Touch ON to test the selected item. To end the test, touch OFF. You cannot exit and close this display until you touch OFF to switch off the output check currently executing.

  • Page 249: Smc Data Lists (Sp5-990)

    DUMMY 26 July 2002 5.1.6 SMC DATA LISTS (SP5-990) 1. Open SP mode 5-990 and select the number corresponding to the list that you wish to print. SMC (System Parameter and Data Lists) All data list SP mode data list UP mode data list Logged data list Self-diagnostics results list...

  • Page 250: Copy Jam History Display

    26 July 2002 DUMMY 5.1.8 COPY JAM HISTORY DISPLAY Total Count SP7-502 displays the number of copy paper jams having occurred in all paper paths. Details on the Most Recent Jams SP7-507 displays the detailed information on the latest 10 copy paper jams having occurred in all paper paths.

  • Page 251: Memory All Clear (Sp5-801)

    DUMMY 26 July 2002 5.1.9 MEMORY ALL CLEAR (SP5-801) Executing Memory All Clear resets all the settings stored in the NVRAM to their default settings except the following: SP7-003-1 Print total counter value SP5-811 Machine serial number SP5-907 Plug & play brand name and production name setting Normally, this SP mode should not be used.

  • Page 252: Without Using A Flash Memory Card

    26 July 2002 DUMMY What It Initializes Comments Initializes the system defaults and interface settings (Network Control Service) (IP addresses also), SmartNetMonitor for Admin, WebStatusMonitor settings, and the TELNET settings. R-FAX Initializes the job login ID, SmartNetMonitor for Admin, job history, and local storage file numbers. Initializes the DCS (Delivery &...

  • Page 253: Aps Output Display (Sp4-301)

    DUMMY 26 July 2002 5.1.10 APS OUTPUT DISPLAY (SP4-301) SP4-301 displays a code that indicates the current status of the APS sensors. The table lists the codes and the activated sensors. B051S540.WMF Sensors Code ❍ ❍ — — — ❍ ❍...

  • Page 254: Program Download

    26 July 2002 PROGRAM DOWNLOAD 5.2 PROGRAM DOWNLOAD 5.2.1 FIRMWARE The procedure is the same for all firmware modules. 1. Turn off the main power switch. 2. Remove the cover [A]. 3. Insert the IC card [B] containing the software you wish to download into the card slot of the controller.

  • Page 255: Nvram Data Upload/Download

    PROGRAM DOWNLOAD 26 July 2002 5.2.2 NVRAM DATA UPLOAD/DOWNLOAD The content of the NVRAM can be uploaded to and downloaded from a flash memory card. Uploading NVRAM Data (SP5-824) The data in the NVRAM in the machine can be uploaded to a flash memory card. 1.

  • Page 256: Downloading Nvram Data (Sp5-825)

    26 July 2002 PROGRAM DOWNLOAD Downloading NVRAM Data (SP5-825) SP5-825 downloads data from a flash card to the NVRAM inside the machine. The following data are not downloaded from the flash card: • Meter charge total counter (SP7-003-1) • Duplex, A3/DLT/Over 420 mm, Staple and Scanner application scanning counters (SP7-007).

  • Page 257: Software Reset

    SOFTWARE RESET 26 July 2002 5.3 SOFTWARE RESET The software can be rebooted when the machine hangs up. Use either of the following procedures. Procedure 1 1. Turn the main power switch off and on. 2. Check that “Now loading. Please wait” is displayed and that the copy window opens.

  • Page 258: Copier Setting Reset

    26 July 2002 SYSTEM SETTINGS AND COPY SETTING RESET 5.4.2 COPIER SETTING RESET To reset the copy settings in the UP mode to their defaults, use the following procedure. 1. Press the User Tools/Counter key ("). 2. Hold down the ! key and then touch Copier/Document Server Features. NOTE: Hold down the ! key before touching Copier/Document Server Features.

  • Page 259: User Tools

    USER TOOLS 26 July 2002 5.5 USER TOOLS The user program (UP) mode can be accessed by users and operators, and by sales and service staff. UP mode is used to input the copier’s default settings. The user can reset the default settings at any time. 5.5.1 HOW TO ENTER USER TOOLS UP Mode Initial Screen: User Tools/Counter Display To enter the UP mode, press the User Tools/Counter key (").

  • Page 260: Counter

    26 July 2002 DIP SWITCHES Counter In the User/Tools Counter display, touch Counter. The following SP mode counters will be displayed. • Copy Counter (SP5-914) View the settings, touch Print Counter Exit to return to the User Tools/Counter display, and then touch Exit to return to the copy window. 5.6 DIP SWITCHES Controller Board: SW2 DIP SW No.

  • Page 261: Detailed Section Descriptions

    26 July 2002 OVERVIEW 6. DETAILED SECTION DESCRIPTIONS 6.1 OVERVIEW 6.1.1 MECHANICAL COMPONENTS B051D107.WMF 1. Scanner HP sensor 12. Paper transfer roller unit 2. ADF exposure glass 13. Image transfer belt waste toner bottle 3. Exposure glass 14. Image transfer belt unit 4.

  • Page 262: Paper Path

    OVERVIEW 26 July 2002 6.1.2 PAPER PATH B051D151.WMF 1. Registration sensor (ARDF) 16. Registration sensor 2. Original exit sensor (ARDF) 17. Exit sensor (Duplex unit) 3. Original set sensor (ARDF) 18. Paper feed sensor 4. Original trailing edge sensor (ARDF) 19.

  • Page 263: Drive Components

    26 July 2002 OVERVIEW 6.1.3 DRIVE COMPONENTS Layout B051D104.WMF 1. Fusing unit motor 11. Paper size switch 2 2. Image transfer belt cleaning clutch 12. Development clutch - M 3. Image transfer belt cleaning contact 13. OPC belt cleaning clutch solenoid 14.

  • Page 264: Drive Power Path

    OVERVIEW 26 July 2002 Drive Power Path REAR VIEW B051D108.WMF Motor (Type) Drives ... • Scanner motor gear [C] Scanner [B] (Stepper) • Development clutches [H ] → Development units K,Y,C,M Development [I] • OPC belt cleaning clutch → OPC belt cleaning unit (DC brushless) •...

  • Page 265: Electrical Components

    26 July 2002 OVERVIEW 6.1.4 ELECTRICAL COMPONENTS Scanner Unit B051D109.WMF 1. Anti-condensation heater 6. SBU (sensor board unit) 2. Scanner HP sensor 7. Lamp stabilizer 3. Platen cover sensor 8. Original width sensor 4. Original length sensor 1 9. Operation panel 5.

  • Page 266: Image Transfer

    OVERVIEW 26 July 2002 Image Transfer B051D103.WMF 1. Charge corona wire cleaner motor 9. Pressure roller thermofuse 2. Quenching lamp 10. Pressure roller thermistor 3. ID sensor 11. Heating roller thermistor 4. Belt mark sensor 12. Pressure roller fusing lamp 5.

  • Page 267: Paper Path

    26 July 2002 OVERVIEW Paper Path B051D111.WMF 1. Right cover switch 11. Paper end sensor 2 2. Interlock switch 12. Paper end sensor 1 3. Paper overflow sensor 13. Tray heater (optional) 4. Fusing exit sensor 14. Mechanical counter 2 5.

  • Page 268: Development Units

    OVERVIEW 26 July 2002 Development Units B051D102.WMF 1. Rear development board 6. Memory chip M 2. Laser synch. detection board 7. Memory chip C 3. Front development board 8. Memory chip Y 4. Polygonal mirror motor 9. Memory chip K 5.

  • Page 269: Boards

    26 July 2002 OVERVIEW Boards B051D110.WMF 1. Scanner I/O board 9. PSU fan 2. I/O board 10. Temperature/humidity sensor 3. Development fan 11. Controller board 4. EX I/O board 12. High voltage supply board 5. BICU board 13. Oil pump 6.

  • Page 270: Board Structure

    BOARD STRUCTURE 26 July 2002 6.2 BOARD STRUCTURE 6.2.1 BLOCK DIAGRAM IEEE1394/ Memory Wireless : Standard : Option Printer/ Scanner/ Controller Fax Options Fax Unit Xenon Lamp Lamp Operation Scanner Stabilizer Panel Motor Polygon Motor Scanner IOB ARDF BICU Thermistors LD Units Fusing Lamps Paper...
  • Page 271 26 July 2002 BOARD STRUCTURE 1. Controller (Main Board) Controls the memory and the fax/scanner/printer options. 2. BICU (Base Engine and Image Control Unit) This is the scanner and engine control board. It controls the following functions: • Engine sequence •...

  • Page 272: Controller

    BOARD STRUCTURE 26 July 2002 6.2.2 CONTROLLER OPTION OPTION OPTION OPTION 2.5" HDD IEEE1284 IC Card Net File/ (128/256 MB) Printer Scanner SDRAM IC Card I/F Slot 1 Slot 2 Slot 3 DIMM Flash ROM DIMM (4/8 MB) Local BUS System On-board NVRAM...
  • Page 273 26 July 2002 BOARD STRUCTURE 1. CPU: PMC RM526A-250 MHz 2. CELLO ASIC: This is a dedicated chip developed for use with GW architecture. It controls the following functions: memory, local bus, interrupts, PCI bus, video data, HDD, network, operation panel, IEEE1284, and image processing. 3.

  • Page 274: Copy Process

    COPY PROCESS 26 July 2002 6.3 COPY PROCESS B051D101.WMF 1. Development unit 6. Quenching lamp 2. OPC belt 7. OPC belt cleaning unit 3. Image transfer belt cleaning unit 8. Charge corona unit 4. Image transfer belt 9. Polygonal mirror 5.
  • Page 275 26 July 2002 COPY PROCESS 1. Drum Charge The corona wire gives the drum a negative charge. 2. Black (K) Image Creation a) Laser Exposure The laser diode (LD) emits two laser beams. The laser beams create a latent image on the OPC surface. b) Development The development roller transfers negatively charged toner to the latent image.

  • Page 276: Process Control

    PROCESS CONTROL 26 July 2002 6.4 PROCESS CONTROL 6.4.1 OVERVIEW The copier adjusts the following process control parameters: • Development bias (V • Charge corona grid voltage (V These 2 parameters maintain a consistent gamma for the engine. NOTE: This copier uses only the ID sensor. (There is no TD or potential sensor.) 6.4.2 PROCESS CONTROL STEPS Six Steps Depending on the machine’s condition, some or all of the following steps may...

  • Page 277: Supplementary Information On Process Control

    26 July 2002 PROCESS CONTROL Event Condition Steps ➀ ➂ ➃ K toner cartridge This is done after clearing the K toner near-end state or K development (i.e., when a new K development unit is added). The unit replacement machine idles and when the development roller stops for 10 seconds, indicating that idling is over, process control occurs.
  • Page 278 PROCESS CONTROL 26 July 2002 Step 3. Initialising K Development Bias Similar to the process for color development bias. M/A must be 0.65 mg/cm areas of maximum image density. Range: 0.40 to 2.0 mg/cm Step 4. Fine-tuning the YMCK Development Biases The machine makes another solid pattern Steps 2 and 3 for determining VB (development bias) are not done every process control (see the table: When is the process control done?).

  • Page 279: Scanning

    26 July 2002 SCANNING 6.5 SCANNING 6.5.1 OVERVIEW B051D557.WMF 1. Scanner HP sensor 6. 1st scanner (1st carriage) 2. ADF exposure glass 7. Scanner motor 3. Exposure glass 8. Sensor board unit (SBU) 4. 2nd scanner (2nd carriage) 9. Original length sensors 5.

  • Page 280: Scanner Drive

    SCANNING 26 July 2002 6.5.2 SCANNER DRIVE B051D002.WMF Scanner drive: Scanner motor [A] " Scanner drive pulley [B and C], and scanner drive shaft [D] " Scanner wires [E and F] " 1st [G] and 2nd [H] scanners Book Mode The scanner I/O board controls the scanner motor.

  • Page 281: Original Size Detection

    26 July 2002 SCANNING 6.5.3 ORIGINAL SIZE DETECTION B051D004.WMF The original width sensors [A] detect the original width, and the original length sensors [B] detect the original length. The on/off signals received from the sensors are used to detect the original size. The SBU board checks each sensor signal at the following times: •...
  • Page 282 SCANNING 26 July 2002 B051D540.WMF Width SP4-301 Original Size Length Sensor Sensor display Metric Inch 11" x 17" 10" x 14" 8.5" x 14" (8" x 13") A4-L 8.5" x 11" B5-L A4-S 11" x 8.5" B5-S A5-L, A5-S 5.5" x 8.5", 8.5" x 5.5" NOTE: L: Lengthwise, S: Sideways, O: Paper present, X: Paper not present For other combinations, “Cannot detect original size.”...

  • Page 283: Image Processing

    26 July 2002 IMAGE PROCESSING 6.6 IMAGE PROCESSING 6.6.1 OVERVIEW BICU LD Board (Option) Printer Controller (Option) Memory Scanner (Option) B051D553.WMF The CCD (Charge-Coupled Device) generates three analog video signals. The SBU (Sensor Board Unit) converts the three analog signals to 10-bit digital signals. It sends these signals to the BICU board.

  • Page 284: Sbu Block Diagram

    IMAGE PROCESSING 26 July 2002 6.6.2 SBU BLOCK DIAGRAM R(B) 10 bit 10 bit Analog Amplifier Field 8 bit A/D Converter Memory 10 bit 10 bit Analog Amplifier Field 8 bit ASIC A/D Converter Controller Memory B(R) 10 bit 10 bit Analog Amplifier 8 bit A/D Converter...

  • Page 285: Black Level Correction

    26 July 2002 IMAGE PROCESSING Black Level Correction • Improves image reproduction for high-density areas. • Reads the black video level at black elements on the CCD. These pixels are masked off, and should produce a pure black signal. • This is subtracted from the value of each pixel. •...

  • Page 286: Shading Correction

    IMAGE PROCESSING 26 July 2002 6.6.3 IMAGE PROCESSING • Shading correction • Color conversion • Image rotation • Picture element correction • Main scan magnification • Image sort • Scanner line correction • Printer gamma correction • Scanner gamma correction •...

  • Page 287: Scanner Gamma Correction (Rgb Gamma Correction)

    26 July 2002 IMAGE PROCESSING Scanner Gamma Correction (RGB Gamma Correction) The RGB video signals from the CCD are sent to the ASIC1 chip on the BICU board. This signal is proportional to the intensity of light reflected from the original image (Fig. 1). Scanner gamma correction inverts the video signals.

  • Page 288: Image Separation

    IMAGE PROCESSING 26 July 2002 Image Separation The original image is classified into the text and photo (dot screen) areas. Edge Separation • Used to locate text and line diagrams • Locates areas of strong contrast. • Looks for continuity of black or colored pixels. •...

  • Page 289: Color Conversion

    26 July 2002 IMAGE PROCESSING Color Conversion Transparency for each color toner is not ideal. Color conversion compensates for the differences between the ideal and actual characteristics. A matrix converts the RGB video signals into CMYK video signals while the original is scanned once. Conversion Matrix The following color conversion table is an example of the results from the matrix operation.

  • Page 290: Printer Gamma Correction

    IMAGE PROCESSING 26 July 2002 Printer Gamma Correction Fig. 2 Fig. 1 B051D989.WMF B051D990.WMF Ideally, the gamma curves for Yellow, Magenta, Cyan, and Black should be identical, as shown in figure 1. However, slight variations in the electrical components can result in varying gamma curves, as shown in figure 2. •...
  • Page 291 26 July 2002 IMAGE PROCESSING ID Max. This mode adjusts the total image density as shown in figure 3. Fig. 3 B051D991.WMF Shadow (High ID) The High ID mode adjusts the image density between Level 6 and Level 9 of the color gradation scale on the C-4 test chart (figure 4).

  • Page 292: Error Diffusion

    IMAGE PROCESSING 26 July 2002 Auto Color Calibration Test Pattern The test pattern has eight 17-step gradation scales for each color (CMYK), including background white, for Text and Photo modes. ACC automatically calibrates the printer Dark Light gamma curve. The user starts the ACC process.

  • Page 293: Photoconductor Unit (Pcu)

    26 July 2002 PHOTOCONDUCTOR UNIT (PCU) 6.7 PHOTOCONDUCTOR UNIT (PCU) 6.7.1 OVERVIEW B051D352.WMF 1. Ground brush 16. Image transfer belt cleaning unit 2. ID sensor 17. Image transfer belt mark sensor 3. OPC belt 18. OPC belt cleaning brush 4. Bias brush 19.

  • Page 294: Charge Corona Unit

    PHOTOCONDUCTOR UNIT (PCU) 26 July 2002 6.7.2 CHARGE CORONA UNIT Power Supply [A]: High voltage supply [B]: Charge corona unit [C]: Harness B051D311.WMF High voltage supply [A] " Harness [C] " Charge corona unit [B] (negative charge) (☛ ! Photocopying Processes – Charge – Corona Charge – Scorotron Method) Grid and Wire Cleaning [A]: Motor [B]: Screw...

  • Page 295: Quenching

    26 July 2002 PHOTOCONDUCTOR UNIT (PCU) Quenching [A]: Quenching lamp [B]: Charge corona unit [C]: OPC belt B051D309.WMF (☛ ! Photocopying Processes – Quenching) 6.7.3 OPC BELT DRIVE [A]: OPC belt [B]: Main motor [C]: Fly wheels [D]: Bottom shaft B051D308.WMF Main motor [B] "...

  • Page 296: Opc Belt Cleaning Unit

    PHOTOCONDUCTOR UNIT (PCU) 26 July 2002 6.7.4 OPC BELT CLEANING UNIT [A]: Lubricant bar [B]: Cleaning brush [C]: Feeler link (on the frame) [D]: Waste toner bottle full sensor (on the frame) [E]: Waste toner feeler [F]: Waste toner bottle switch (on the frame) [G]: Toner collection auger 1 [H]: Toner collection auger 2...

  • Page 297: Drive

    26 July 2002 PHOTOCONDUCTOR UNIT (PCU) Drive [A]: Development motor [B]: OPC belt cleaning clutch [C]: Gear [D]: Gear [E]: Cleaning brush [F]: Toner collection auger 1 [G]: Opening for waste toner [H]: Toner collection auger 2 B051D312.WMF Development motor [A] " Gear " Timing belt " OPC belt cleaning clutch [B] " Gears [C, D] "...

  • Page 298: Belt Mark Detection

    PHOTOCONDUCTOR UNIT (PCU) 26 July 2002 Belt Mark Detection [A]: Belt mark sensor [B]: Mark B051D315.WMF The belt mark sensor is a reflective photosensor. To exactly synchronize the four mono-color toner images on the image transfer belt, the belt mark sensor [A] monitors the belt speed. The sensor detects the light reflected by the marks [B] at the rear end of the belt (25 marks per rotation;...

  • Page 299: Image Transfer Belt Cleaning Unit

    26 July 2002 PHOTOCONDUCTOR UNIT (PCU) 6.7.6 IMAGE TRANSFER BELT CLEANING UNIT [A]: Cleaning blade [B]: Toner collection auger 1 [C]: Image transfer belt [D]: Toner conduit [E]: Waste toner sensor feeler [F]: Waste toner bottle switch [G]: Actuator [H]: Waste toner full sensor [I]: Waste toner bottle [J]: Transfer roller [K]: Toner collection auger 2...

  • Page 300: Contact Mechanism

    PHOTOCONDUCTOR UNIT (PCU) 26 July 2002 Contact Mechanism REAR VIEW B051d320.WMF B051D322.WMF [A]: Image transfer belt cleaning contact solenoid [B]: Half-turn clutch [C]: Lever [D]: Cam [E]: Fusing unit motor The fusing unit motor [E] drives the image transfer belt cleaning unit and the contact mechanism.

  • Page 301: Power Supply

    26 July 2002 PHOTOCONDUCTOR UNIT (PCU) Power Supply [A]: Cleaning brush [B]: Cleaning roller [C]: High voltage supply [D]: Contact spring [E]: Contact spring [F]: Contact spring The cleaning roller [B] charges the cleaning brush, and attracts toner from it. The high voltage supply [C] supplies positive charge to the cleaning roller via the harness and contact springs (leaf springs) [D, E, and F].

  • Page 302: Laser Exposure

    LASER EXPOSURE 26 July 2002 6.8 LASER EXPOSURE 6.8.1 OVERVIEW B051D202.WMF 1. LD Unit 7. W-Toroidal lens (WTL) 2. Synchronization Detector 8. Fθ Lens 3. Synchronization Detector Mirror 9. 1st Mirror 4. Dust Shield Glass 10. 2nd Mirror 5. 3rd Mirror 11.

  • Page 303: Polygon Mirror Motor Unit

    26 July 2002 LASER EXPOSURE 6.8.2 POLYGON MIRROR MOTOR UNIT Speed The polygon mirror motor rotates at about 21,024 rpm. 6.8.3 SYNCHRONIZATION DETECTOR The synchronization detector is on the rear side of the laser optics housing unit. The synchronization detector simultaneously checks 2 laser beams. 6.8.4 LD UNIT Two laser diodes in the LD unit emit 2 main-scan laser-beams.

  • Page 304: Ld Safety Switch

    LASER EXPOSURE 26 July 2002 6.8.5 LD SAFETY SWITCH Front Door The LD safety switch is the interlock switch. This switch is on the upper end of the front cover. This switch is linked to the following covers: Front cover Right cover The switch prevents laser emission if any of the above covers is opened.

  • Page 305: Operation Panel Display And Switch Mechanism

    26 July 2002 LASER EXPOSURE Operation Panel Display and Switch Mechanism The front cover switch [A], right cover switch [B], and interlock switch [C] detect the positions of the front and right covers. When either or both covers are open, the message, “Open Cover”, appears with an illustration indicating which covers are open.

  • Page 306: Development

    DEVELOPMENT 26 July 2002 6.9 DEVELOPMENT 6.9.1 OVERVIEW B051D351.WMF K: black, Y: yellow, C: cyan, M: magenta 1. Memory chip 6. Toner supply roller 2. Toner cartridge 7. Development roller 3. Toner cartridge agitators 8. Doctor roller 4. Development agitator 9.

  • Page 307: Development Unit

    26 July 2002 DEVELOPMENT 6.9.2 DEVELOPMENT UNIT Replacing Units Recovery: Each new development unit spare part contains a starter toner cartridge. When the machine detects the memory chip on the new starter cartridge, it will clear the development unit end condition. The memory chip on a normal toner cartridge cannot clear the development unit end condition.

  • Page 308: Toner Supply Mechanism

    DEVELOPMENT 26 July 2002 6.9.3 TONER SUPPLY MECHANISM B051D301.WMF [A]: Development motor [H]: Toner supply roller [B]: Development clutch [I]: Development roller [C]: Lever [J]: Toner cartridge agitators [D]: Cam (built into the gear) [K]: Mylar sheet [E]: Development roller gear [L]: Toner cartridge [F]: Development unit agitator [M]: Toner cartridge agitator gear...

  • Page 309: Rollers And Agitators

    26 July 2002 DEVELOPMENT Rollers and Agitators Each toner cartridge contains two toner cartridge agitators [J]. They are equipped with several mylar sheets [K], which agitate the toner and send it to the development unit agitator [D]. The development unit agitator agitates the toner and sends it to the toner supply roller [H].

  • Page 310: Toner End Detection

    DEVELOPMENT 26 July 2002 6.9.4 TONER END DETECTION Mechanism [A]: Optic fiber [B]: Light emission [C]: Gap An optic fiber [A] in each development unit detects toner end. Light is emitted from the rear end [B] of the unit. There is a gap [C] in the optic fiber.

  • Page 311: Toner End Detection

    26 July 2002 DEVELOPMENT Toner End Detection When any one of the following conditions occurs, toner end is indicated. 1. If near-end was detected by pixel count: The remaining pixel count reaches 0. 2. If near-end was detected by toner end sensor: Either 100 developments or 100 prints at 5% coverage are made since near- end was detected.

  • Page 312: Development Unit Contact Mechanism

    DEVELOPMENT 26 July 2002 6.9.5 DEVELOPMENT UNIT CONTACT MECHANISM Mechanism Each development unit has an independent clutch. When a development clutch turns on, a gear under the development unit moves the development unit into contact with the OPC belt. When the clutch turns off, two springs (one at the front and one at the rear) detach the development unit from the OPC belt.

  • Page 313: Power Source

    26 July 2002 DEVELOPMENT 6.9.6 POWER SOURCE [A]: Development unit [B]: Rear-side terminal [C]: Development roller [D]: Bias terminal [E]: Harness terminal [F]: High voltage supply [G]: Doctor roller Development, Toner Supply, and Doctor Rollers When a development unit [A] comes into contact with the OPC belt, the bias terminal [D] comes into contact with the harness terminal [E].

  • Page 314: Paper Feed

    PAPER FEED 26 July 2002 6.10 PAPER FEED 6.10.1 OVERVIEW B051D605.WMF 1. Registration roller 8. Base plate (Tray 1) 2. Path from duplex unit 9. Base plate (Tray 2) 3. Vertical transport roller 10. Paper end fence (Tray 2) 4. By-pass tray 11.

  • Page 315: Transport Speed

    26 July 2002 PAPER FEED Transport Speed Until the registration roller, the paper travels at 240 mm/s. This high initial speed ensures that the first output time is as short as possible. From the registration roller to the exit, the paper travels at the following speeds: 178 mm/s (plain paper) 89 mm/s (thick paper or OHP films) Friction Pad...

  • Page 316: Paper Lift

    PAPER FEED 26 July 2002 6.10.3 PAPER LIFT Lift Mechanism The spring under the bottom plate [A] presses the plate upward. When you press the bottom plate as far down as possible, the hook on lever [C] holds the plate. The lever releases the bottom plate when it is pressed by the protruding part on the right tray rail;...

  • Page 317: Paper Size Detection

    26 July 2002 PAPER FEED 6.10.4 PAPER SIZE DETECTION Mechanism [A]: Tray set switch [B]: Paper size switch [C]: Paper size switch [D]: Paper size switch [E]: Actuator [F]: Lever [G]: End fence B051D604.WMF The end fence [G] moves the lever [F], which moves a different set of notches on the actuator [E] into contact with the paper size switches [B]∼[D].

  • Page 318: Paper Transfer And Separation

    PAPER TRANSFER AND SEPARATION 26 July 2002 6.11 PAPER TRANSFER AND SEPARATION 6.11.1 OVERVIEW B051D401.WMF 1. Image transfer belt 4. Spring 2. Discharge plate 5. Paper transfer roller 3. Separation lever 6. Registration roller Jammed Paper Release When you open the right cover, the units release the paper. This mechanism helps quickly clear paper jams.

  • Page 319: Contact/Separation Mechanism

    26 July 2002 PAPER TRANSFER AND SEPARATION 6.11.2 CONTACT/SEPARATION MECHANISM FRONT VIEW REAR VIEW B051D404.WMF B051D403.WMF [A]: Fusing unit motor [B]: Half-turn clutch [C]: Paper transfer solenoid [D]: Contact/separation lever [E]: Cam Timing When transferring toner to paper, the paper transfer roller unit contacts the image transfer belt.

  • Page 320: Power Supply

    PAPER TRANSFER AND SEPARATION 26 July 2002 6.11.3 POWER SUPPLY Circuit High voltage supply [A] → Terminal [B] → Paper transfer roller shaft [C] [A]: High voltage supply [B]: Terminal [C]: Paper transfer roller shaft [D]: Temperature-humidity sensor (inside the rear-right cover) [E]: Discharge plate (negative charge) B051D402.WMF...

  • Page 321: Roller Cleaning

    26 July 2002 PAPER TRANSFER AND SEPARATION Roller Cleaning The paper transfer roller is cleaned at the following times: • After the user clears a paper jam • After the user closes the front cover • Just after the main power has been switched on •...

  • Page 322: Image Fusing And Paper Exit

    IMAGE FUSING AND PAPER EXIT 26 July 2002 6.12 IMAGE FUSING AND PAPER EXIT 6.12.1 OVERVIEW B051D502.WMF 1. Hot roller 9. Heating roller 2. Metal cleaning roller 10. Fusing belt 3. Pressure roller 11. Oil overflow sensor 4. Pressure roller fusing lamp 12.

  • Page 323: Drive

    26 July 2002 IMAGE FUSING AND PAPER EXIT 6.12.2 DRIVE B051D506.WMF [A]: Hot roller [B]: Pressure roller gear [C]: Cover disengage-ment gear [D]: Fusing unit motor [E]: Drive gear [F]: Fusing belt [G]: Heating roller [H]: Oil supply roller [I]: Oiling roller The fusing unit motor [D] drives the fusing unit through gears [C] and [E].

  • Page 324: Fusing Unit Components

    IMAGE FUSING AND PAPER EXIT 26 July 2002 6.12.3 FUSING UNIT COMPONENTS [A]: Fusing belt [B]: Heating roller [C]: Lamp (770 W) [D]: Thermostat [E]: Thermistor [F]: Pressure roller [G]: Lamp (350 W) [H]: Thermistor [I]: Thermofuse [J]: Pawl B051D503.WMF Fusing Belt This machine uses a fusing belt [A].

  • Page 325: Fusing Bias

    26 July 2002 IMAGE FUSING AND PAPER EXIT [A]: High voltage supply [B]: Terminal [C]: Fusing belt [D]: Hot roller [E]: Heating roller [F]: Pressure roller [G]: Oiling roller B051D566.WMF Fusing Bias The high voltage supply [A] provides the fusing bias. The fusing bias is a negative voltage that quenches static electricity created on the belt [C] and rollers [D]∼[F] by the paper.

  • Page 326: Oil Supply

    IMAGE FUSING AND PAPER EXIT 26 July 2002 6.12.4 OIL SUPPLY Oil Supply ☛! Photocopying Processes – Fusing – Oil Supply [A]: Oil tank [B]: Air inlet [C]: Oil pump [D]: Oil pipe [E]: Fusing unit B051D501.WMF [F]: Oil reservoir [G]: Felt [H]: Oil supply unit [I]: Oil supply roller...

  • Page 327: Oil Supply

    26 July 2002 IMAGE FUSING AND PAPER EXIT Oil Supply [A]: Oil end sensor [B]: Oil overflow sensor B051D505.WMF The oil end sensor [A] controls the supply of oil from the oil tank in the bottom of the machine, via the oil pump, to the reservoir in the oil supply unit. The oil end sensor detects oil by emitting a beam through the protruding part of the tank bottom (the bottom is transparent).

  • Page 328: Oil End Detection And Recovery

    IMAGE FUSING AND PAPER EXIT 26 July 2002 Oil End Detection and Recovery If the oil tank at the bottom of the machine has no oil in it, the following occurs: 1) The oil pump operates for 50 milliseconds and waits for 150 milliseconds. If the oil end condition still exists, this step is repeated.

  • Page 329: Temperature Control

    26 July 2002 IMAGE FUSING AND PAPER EXIT 6.12.5 TEMPERATURE CONTROL The table lists default settings and variable ranges for temperature control. More than 15°C ~ External temperature 15°C or lower 30°C or higher (*1) less than 30°C Roller Heating Press.

  • Page 330: Energy Saver Modes

    IMAGE FUSING AND PAPER EXIT 26 July 2002 6.12.6 ENERGY SAVER MODES Overview Stand-by Mode Operation Sw. Off -or- Auto Off Timer (1 mni. to 240 min. / Default: 60 min.) Energy Saver Key ON -or- Panel Off Timer (10 s to 999 s / Default: 10 s) Key Operation Panel-Off Mode (1&2) Operation Sw.

  • Page 331: Panel Off Mode

    26 July 2002 IMAGE FUSING AND PAPER EXIT Panel Off Mode Entering the panel off mode The machine enters the panel off mode when one of the following is done. • The panel off timer runs out. • The Clear Mode/Energy Saver Key is held down for one second. If the value specified in the panel off timer is larger than the value specified in the energy saver timer, the machine goes into the low power mode without going into the panel off mode.

  • Page 332: Low Power Mode

    IMAGE FUSING AND PAPER EXIT 26 July 2002 Low Power Mode Entering the low power mode The machine enters the low power mode when the energy saver timer runs out. What happens in low power mode When the machine enters the low power mode, the fusing lamps are kept at the temperatures indicated in the table, and the operation panel indicators are turned off except for the Energy Saver LED and the Power LED.

  • Page 333: Auto Off Mode

    26 July 2002 IMAGE FUSING AND PAPER EXIT Auto Off Mode There are two Auto Off modes: Off Stand-by mode and Off mode. The difference between Off Stand-by mode and Off mode is the machine’s condition when it enters the Auto Off mode. Entering off stand-by and off modes The machine enters the Off Stand-by mode or Off Mode when one of the following is done.

  • Page 334: Jam Detection

    IMAGE FUSING AND PAPER EXIT 26 July 2002 6.12.7 PAPER EXIT [A]: Interface gear [B]: Pressure roller gear [C]: Drive gear (fusing unit) [D]: Cover disengagement gear [E]: Fusing unit motor [F]: Fusing exit sensor feeler [G]: Turning direction of the fusing exit sensor feeler [H]: Fusing exit sensor [I]: Paper exit sensor...

  • Page 335: Specifications

    26 July 2002 SPECIFICATIONS SPECIFICATIONS 1. GENERAL SPECIFICATIONS (MAIN UNIT) Configuration: Desktop Print Process: 2 laser beam & dry electrostatic transfer system Original Type: Sheet/Book/object Original Size: Max: A3/11"x17" Copy Paper Size: Max: A3/11" x 17" Min: A6 SEF (100 x 148 mm)/8.5" x 5.5" Width: 100 ~ 297 mm (3.9"...
  • Page 336 SPECIFICATIONS 26 July 2002 Zoom: 25% to 400% in 1% steps (Platen mode) 25% to 200% in 1% steps (ADF mode) Scanning System: 3-line 1-chip CCD sensor (600 dpi) Light Source: 1 xenon lamp Photoconductor: OPC belt Charging: Corona wire with grid plate Print System: Two laser beam, 600 dpi Development System:...

  • Page 337: Machine Configuration

    26 July 2002 SPECIFICATIONS 2. MACHINE CONFIGURATION 2.1 SYSTEM COMPONENTS B051V500.WMF Spec-3...
  • Page 338 SPECIFICATIONS 26 July 2002 Machine Common Version Item Code with Copier U-C1a B051 U-C1b B052 ARDF (Optional) B386 R-C2 Platen Cover (Optional) B484 Paper Tray Unit (Optional) B456 LCT (Optional) B457 1-bin Tray (Optional) B480 Shift Tray (Optional) B510 Duplex Unit (Optional) B509 By-pass Tray (Optional) B490...

  • Page 339: Optional Equipment

    26 July 2002 SPECIFICATIONS 2.2 OPTIONAL EQUIPMENT ARDF Original Size: Standard sizes Single-sided mode: A3 to A5, DLT to HLT Double-sided mode: A3 to A4, DLT to LT Non-standard sizes (Single-sided mode only) Max. width 297 mm Min. width 105 mm Max.

  • Page 340: By-Pass Tray Unit

    SPECIFICATIONS 26 July 2002 By-pass Tray Unit Paper Size: Standard sizes A6 lengthwise to A3 HLT to DLT Non-standard sizes Width: 90 to 305 mm (3" to 12") Length: 148 to 457.2 mm (5.83" to 18") Paper Weight: 60 g/m to 163 g/m , 16 lb to 43.6 lb Dimensions (W x D x H):...

  • Page 341: Paper Tray Unit

    26 July 2002 SPECIFICATIONS A4 sideways/LT sideways Paper Size: Paper Weight: 60 g/m to 128 g/m , 16 lb to 34 lb Tray Capacity: 2,000 sheets (80 g/m , 20lb) Remaining Paper Detection: 5 steps (100%, 75%, 50%, 25%, Near end) Power Source: DC 24 V, 5 V (from copier/printer) Power Consumption:...

  • Page 342: 1-Bin Tray Unit

    SPECIFICATIONS 26 July 2002 1-Bin Tray Unit Paper Size: Standard Size: A5 Lengthwise to A3 HLT Lengthwise to DLT Non-standard Size: Paper Width: 90 to 297 mm Paper Length: 148 to 432 mm Paper Weight: 60 ~ 105 g/m², 16 ~ 28 lbs. Tray Capacity: 125 sheets (80 g/m², 20 lbs.) Power Source:...

  • Page 343: 1000-Sheet Finisher

    26 July 2002 SPECIFICATIONS 1000-sheet Finisher Upper Tray Paper Size: A3 to A6 DLT to HLT Paper Weight: 60 to 157 g/m (16 to 42 lb) Paper Capacity: 250 sheets (A4 sideways/LT sideways or smaller: 80 , 20lb) 50 sheets (A3, B4, DLT, LG: 80 g/m , 20 lb) Lower Tray Paper Size:...

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