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Ricoh A265 Service Manual

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A265/A267
SERVICE MANUAL
000882MIU
RICOH GROUP COMPANIES

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Summary of Contents for Ricoh A265

  • Page 1 A265/A267 SERVICE MANUAL 000882MIU RICOH GROUP COMPANIES...

  • Page 2: Table Of Contents

    Overview....................2-8 Image Processing Modes ..............2-9 Image Processing Path............... 2-11 SP Modes for Each Image Processing Step........2-12 Auto Shading ..................2-18 White Line Erase Compensation ............2-18 Black Line Erase Compensation............2-18 Scanner Gamma (γ Correction ............2-19 A265/A267...
  • Page 3 2.6.7 TONER SUPPLY IN ABNORMAL SENSOR CONDITIONS... 2-50 ID sensor .................... 2-50 TD Sensor ..................2-50 2.6.8 TONER NEAR END/END DETECTION AND RECOVERY.... 2-50 Toner Near End Detection ..............2-50 Toner Near End Recovery ..............2-51 Toner End Detection................2-51 Toner End Recovery................2-51 A265/A267...
  • Page 4 Return to stand-by mode ..............2-78 2.11.3 LOW POWER MODE ..............2-79 Entering the low power mode ............. 2-79 What happens in low power mode............2-79 Return to stand-by mode ..............2-79 2.11.4 AUTO OFF MODE................ 2-80 Entering auto off mode ............... 2-80 A265/A267...

  • Page 5: Installation Procedure

    3.10 DUPLEX UNIT INSTALLATION ............3-30 3.10.1 ACCESSORY CHECK ..............3-30 3.10.2 INSTALLATION PROCEDURE ............ 3-31 3.11 BRIDGE UNIT INSTALLATION............. 3-33 3.11.1 ACCESSORY CHECK ..............3-33 3.11.2 INSTALLATION PROCEDURE ............ 3-33 3.12 1,000-SHEET FINISHER INSTALLATION ..........3-35 3.13 COPIER FEATURE EXPANDER INSTALLATION........ 3-38 A265/A267...

  • Page 6: Service Tables

    4.2.12 APS AND PLATEN/DF COVER SENSOR OUTPUT DISPLAY (SP4-301) ..................4-76 4.2.13 DF APS SENSOR OUTPUT DISPLAY (SP6-901) ....... 4-77 4.2.14 NIP BAND WIDTH MEASUREMENT ........... 4-78 4.2.15 DISPLAY LANGUAGE (SP5-808) ..........4-79 4.2.16 SERIAL NUMBER INPUT (SP5-811) ........... 4-79 A265/A267...

  • Page 7: Preventive Maintenance

    6.2.3 POLYGON MIRROR MOTOR ............6-12 6.2.4 LD UNIT..................6-12 6.2.5 LASER SYNCHRONIZATION DETECTOR........6-13 6.3 PHOTOCONDUCTOR UNIT (PCU) ............6-14 6.3.1 PCU ....................6-14 6.4 TRANSFER UNIT..................6-15 6.4.1 TRANSFER ROLLER UNIT............6-15 6.4.2 IMAGE DENSITY SENSOR ............6-16 6.5 FUSING/EXIT ..................6-17 6.5.1 FUSING UNIT.................6-17 6.5.2 THERMISTOR................6-17 6.5.3 THERMOFUSE ................6-18 A265/A267...

  • Page 8: Troubleshooting

    SC194: IPU White Level Detection Error ..........7-4 SC546: Unstable fusing temperature ........... 7-9 SC620: Communication error between IOB and ADF ......7-10 SC760: ADF gate abnormal ............... 7-14 SC900: Electrical total counter error ..........7-14 SC901: Mechanical Total Counter ............. 7-14 A265/A267...
  • Page 9 (DOUBLE-SIDED ORIGINAL MODE) ........8-17 1.6 CONDITION OF JAM DETECTION ............8-18 1.7 OVERALL ELECTRICAL CIRCUIT............8-19 3. REPLACEMENT AND ADJUSTMENT........8-20 3.1 DF EXIT TABLE AND COVER ............... 8-20 3.2 ORIGINAL FEED UNIT................8-21 3.3 LEFT COVER ..................8-22 A265/A267 viii...

  • Page 10: Overall Machine Information

    3.5 UPPER PAPER FEED CLUTCH REPLACEMENT......... 9-17 3.6 LOWER PAPER FEED CLUTCH REPLACEMENT........ 9-18 3.7 LIFT MOTOR REPLACEMENT .............. 9-19 3.8 PAPER END SENSOR REPLACEMENT ..........9-20 3.9 VERTICAL TRANSPORT SENSOR REPLACEMENT ......9-20 3.10 PAPER SIZE SWITCH REPLACEMENT..........9-21 A265/A267...

  • Page 11: Detailed Section Descriptions

    2.1 BASIC OPERATION ................11-3 2.2 PAPER SIZE DETECTION ..............11-4 3 REPLACEMENT AND ADJUSTMENT ........... 11-5 3.1 PAPER FEED ROLLER/FRICTION PAD/PAPER END SENSOR ..11-5 3.2 PAPER SIZE SENSOR BOARD ............. 11-6 3.3 PAPER FEED CLUTCH ................11-7 A265/A267...

  • Page 12: Interchange Unit B

    3.1 COVER REMOVAL ................. 13-9 3.2 ENTRANCE SENSOR REPLACEMENT..........13-10 3.3 EXIT SENSOR REPLACEMENT ............13-11 1 BIN TRAY UNIT A898 1. OVERALL INFORMATION ............14-1 1.1 SPECIFICATIONS .................. 14-1 1.2 MECHANICAL COMPONENT LAYOUT ..........14-2 1.3 ELECTRICAL COMPONENT LAYOUT........... 14-3 A265/A267...

  • Page 13: Shift Tray

    3.1 TRAY COVER REPLACEMENT ............. 16-6 3.1.1 TRAY COVER REMOVAL.............. 16-6 3.1.2 TRAY COVER ATTACHMENT............16-6 3.2 TRAY MOTOR AND HALF TURN SENSOR REPLACEMENT ....16-7 3.2.1 REPLACING THE TRAY MOTOR..........16-7 3.2.2 REPLACING THE HALF TURN SENSOR: ........16-7 A265/A267...

  • Page 14: Service Tables

    Front Shift Tray Cover...............17-19 Rear Shift Tray Cover ...............17-19 Shift Tray...................17-19 4.2 ENTRANCE SENSOR REPLACEMENT ..........17-20 4.3 EXIT SENSOR REPLACEMENT ............17-21 4.4 STACK HEIGHT SENSOR REPLACEMENT ........17-22 4.5 POSITIONING ROLLER REPLACEMENT ..........17-23 4.6 STAPLER REPLACEMENT..............17-24 4.7 ROM HISTORY ..................17-25 xiii A265/A267...

  • Page 15: Overview

    5.1 NOTE FOR REPLACING THE SCANNER CONTROLLER BOARD..18-13 6. TROUBLESHOOTING.............. 18-14 6.1 SERVICE CALL CONDITION ..............18-14 6.1.1 SC CODE DESCRIPTIONS............18-14 6.2 LEDS ..................... 18-15 6.3 FIRMWARE HISTORY ................18-16 6.3.4 A844 FIRMWARE MODIFICATION HISTORY ......18-16 A265/A267...
  • Page 16 OVERALL INFORMATION PAPER TRAY UNIT A860 FINISHER A681 DETAILED DESCRIPTIONS LARGE CAPACITY TRAY A862 SCANNER KIT A844 INSTALLATION BY-PASS UNIT A899 FAX UNIT A895 SERVICE TABLES INTERCHANGE UNIT B300 ISDN UNIT A895 PREVENTIVE MAINTENANCE DUPLEX A896 PRINTER CONTROLLER B306 REPLACEMENT AND ADJUSTMENT 1 BIN TRAY UNIT A898 NETWORK INTERFACE BOARD B307 TROUBLESHOOTING...

  • Page 17: Overall Machine Information

    , 16 ~ 43 lb (2nd paper tray) By-pass (Option): 60 ~ 157 g/m , 16 ~ 42 lb Reproduction Ratios: 5 Enlargement and 7 Reduction A4/A3 Version LT/DLT Version 400% 400% 200% 200% Enlargement 141% 155% 122% 129% 115% 121% Full Size 100% 100% Reduction A265/A267...
  • Page 18 64 dB(A) Operating (Full System): 67.5 dB(A) NOTE: 1) The above measurements were made in accordance with ISO 7779. 2) Full System: Mainframe + ADF + 1-bin Sorter + Paper Tray Unit + Duplex Unit + Bridge Unit + Finisher A265/A267...
  • Page 19 1) When the polygonal mirror motor is spinning. 2) From the 1st paper tray 3) Not APS mode 4) Full size Copy Number Input: Ten-key pad, 1 to 99 (count up or count down) Manual Image Density: 7 steps A265/A267...
  • Page 20 Toner Yield: 10 k copies (A4 sideways, 6% full black, 1 to 1 copying, ADS mode) Copy Tray Capacity: Copy Tray: 500 sheets (without 1-bin tray) 250 sheets (with 1-bin tray) Memory Capacity: Standard 20 MB, Optional memory 48 MB A265/A267...
  • Page 21 A265/A267 PARTS CATALOG 000883MIU RICOH GROUP COMPANIES...

  • Page 22: Drive

    8. LASER UNIT (A265/A267) ........22 PARTS INDEX ............2 9. TRANSFER UNIT (A265/A267) ......24 10. PAPER FEED SECTION 1 (A265/A267) ....26 AUTO RECIRCULATING DOCUMENT FEEDER A858 PARTS LOCATION AND LIST 11. PAPER FEED SECTION 2 (A265/A267) ....28 1.
  • Page 23 Rev. 11/2000 PAPER TRAY UNIT A86011 PARTS LOCATION AND LIST DUPLEX UNIT A896 PARTS LOCATION AND LIST 1. EXTERIOR (A86011) ..........2 1. DUPLEX UNIT 1 (A896)......... 2 2. PAPER TRAY (A86011)......... 4 2. DUPLEX UNIT 2 (A896)......... 4 3. PAPER FEED/TRANSFER (A86011) ....6 3.

  • Page 24: Scanner Option

    Rev. 01/10/2003 INTERNAL SHIFT SORT TRAY TYPE 270 PARTS LOCATION 8. ISDN BOARD (A895) ..........22 AND LIST 1. INTERNAL SHIFT TRAY (B313)......2 FAX OPTION / TR29 (A892/A894/A895) PARTS INDEX PARTS INDEX ............2 INTERNAL SHIFT SORT TRAY TYPE 270 PARTS INDEX PARTS INDEX ............
  • Page 25 2. EXTERIOR 2 (A265/A267) 3. OPERATION PANEL (A265/A267) See Page 9 See Page 11 See Page 13 4. PLATEN COVER (OPTION A893) 5. OPTICS SECTION 1 (A265/A267) 6. OPTICS SECTION 2 (A265/A267) See Page 15 See Page 17 See Page 19 A265/A267...
  • Page 26 Ricoh Aficio 220, Aficio 270 service manual Ricoh Aficio 220, Aficio 270 service manual Ricoh Aficio 220, Aficio 270 service manual Ricoh Aficio 220, Aficio 270 service manual Ricoh Aficio 220, Aficio 270 service manual Ricoh Aficio 220, Aficio 270 service manual...

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A267

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