Ricoh A163 Service Manual
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Ricoh A163 Service Manual

Ricoh A163 Service Manual

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Download this manual See also: Service Manual
A163/A251/A252
B047/B048
SERVICE MANUAL
001317MIU
RICOH GROUP COMPANIES

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Summary of Contents for Ricoh A163

  • Page 1 A163/A251/A252 B047/B048 SERVICE MANUAL 001317MIU RICOH GROUP COMPANIES...
  • Page 2 LEGEND COMPANY PRODUCT CODE GESTETNER RICOH SAVIN A163 FW740 A251 FW750 A252 FW760 B047 A040 FW770 7700W B048 A041 FW780 7800W DOCUMENTATION HISTORY REV. NO. DATE COMMENTS Original Printing 5/95 Revised Pages 5/96 Reprint 6/98 A251/A252 Addition 8/2001 B047/B048 Addition...
  • Page 3 4.4.1 Toner Near End Condition ........2-17 A163...
  • Page 4 1.3 POWER SOURCE ..........3-3 A163...
  • Page 5 6.7 FUSING UNIT ..........4-38 6.7A PRESSURE ROLLER EVALUATION PROCEDURE ....4-38 A163...
  • Page 6 4.4 CHARGE CORONA UNIT REMOVAL ......5-16 4.5 CHARGE CORONA WIRE REPLACEMENT ......5-17 A163...
  • Page 7 1.1 LOW IMAGE DENSITY ......... . 6-1 A163...
  • Page 8 6. INSTALLATION PROCEDURE ......7-9 7. REPLACEMENT AND ADJUSTMENT ..... 7-16 A163...
  • Page 9 ............. 7-20 7.6 ROLL FEED PAPER SKEW ADJUSTMENT ..... . . 7-21 A163...
  • Page 10 A251/A252 Service Manual The A251/A252 machines are based on the A163 copier. Only the differences from the base copier are described in the following pages. Therefore, this documentation should be treated as an insert version of the base copier’s service manual. It should always be utilized together with the base...

  • Page 11: Specifications

    TABLE OF CONTENTS 1. OVERALL MACHINE INFORMATION ......... 1-1 1.1 SPECIFICATIONS..................1-1 1.2 PAPER PATH .................... 1-3 1.4 MECHANICAL COMPONENT ..............1-4 1.5 DRIVE LAYOUT ..................1-6 1.6 ELECTRICAL COMPONENT DESCRIPTIONS ........1-7 2. DETAILED SECTION DESCRIPTIONS........2-1 2.1 DRUM ......................2-1 2.1.2 DRUM DRIVE......................

  • Page 12: Troubleshooting

    5.5 FUSING ..................... 5-7 5.5.1 FUSING UNIT REMOVAL................... 5-7 5.6 T & S CORONA UNIT................5-9 6.5.1 TRANSFER AND SEPARATION CORONA WIRE REPLACEMENT......5-9 5.8 COPY QUALITY ADJUSTMENT ............. 5-11 5.8.4 REGISTRATION ADJUSTMENT ................5-11 6. TROUBLESHOOTING..............6-1 6.2 SERVICE CALL CONDITIION..............6-1 6.2.12 SC CODE E-14: ZERO CROSS SIGNAL DETECTION ABNORMAL ......

  • Page 13: Mechanical Component

    MECHANICAL COMPONENT 1.4 MECHANICAL COMPONENT 25 1 1st Original Feed Roller 14. Roll Feeder 1st Press Rollers 15. Paper Registration Rollers Copy Tray 16. Development Unit 17. Toner Cartridge Exit Rollers Fusing Exit Rollers 18. Manual Feed Table Hot Roller 19.
  • Page 14 SERVICE MANUAL – Insert Version – The B047/B048 machines are based on the A163/A251/A252 copiers. Only the differences from the base copier are described in the following pages. Therefore, this documentation should be treated as an insert version of the base copier’s service manual.

  • Page 15: Paper Path

    B047/B048 TABLE OF CONTENTS This manual describes new items for the J2SS-C3 (B047/B048). Please refer to the J2SS Mark II (A251/A252) manual for the descriptions marked with “*” in page column. OVERALL INFORMATION 1. OVERALL MACHINE INFORMATION ........1-1 1.1 SPECIFICATIONS..................1-1 1.2 PAPER PATH....................1-3 1.3 DRUM PROCESSES ................

  • Page 16: Minimum Space Requirements

    Recovery from Toner End Condition.............2-5 Toner Density Sensor ................* 2.4.5 DEVELOPMENT BIAS ..............* Basic Concept..................* Manual Image Density Bias ..............* 2.4.6 TONER SUPPLY ................* 2.5 IMAGE TRANSFER AND PAPER SEPARATION ........* 2.5.1 PRE-TRANSFER LAMP (PTL) ............* 2.5.2 IMAGE TRANSFER.................

  • Page 17: Charge

    Both copiers (step 24 and 25).............3-12 3.2.2 TABLE (B439) ................3-13 Accessory Check ................3-13 3.2.3 COPY tray (B440)................3-15 Accessory Check ................3-15 3.2.4 ROLL FEEDER1 and 2 (B435/b436) ..........3-19 Accessory Check ................3-19 3.2.5 Roll Cutting Rail (B437) ..............3-28 SERVICE TABLES 4. SERVICE TABLES..............4-1 4.1 PREVENTIVE MAINTENANCE SCHEDULE ...........

  • Page 18: Exposure

    4.6.9 PAPER FEED.................. * 4.6.10 ROLL FEEDER................* 4.6.11 OTHERS..................* 4.6.12 AC DRIVE BOARD ...............4-29 Service Remark for 220 ~ 240 V Version..........4-29 Service Remarks for 120 V Version ............4-30 REPLACEMENT AND ADJUSTMENT 5. REPLACEMENT AND ADJUSTMENT........5-1 5.1 EXTERIOR COVERS ................* 5.1.1 LEFT SIDE COVER REMOVAL ............

  • Page 19: Transfer And Separation

    5.5 FUSING .....................5-2 5.5.1 FUSING UNIT REMOVAL ............... * 5.5.2 HOT ROLLER REPLACEMENT ............* 5.5.3 PRESSURE ROLLER REPLACEMENT.......... * 5.5.4 PRESSURE ROLLER THERMISTOR REPLACEMENT ....* 5.5.5 PRESSURE ROLLER STRIPPER UNIT REPLACEMENT....* 5.5.6 HOT ROLLER STRIPPER UNIT REPLACEMENT......* 5.5.7 HOT ROLLER THERMISTOR REPLACEMENT ......5-2 5.5.8 FUSING THERMOFUSE REPLACEMENT ........5-2 5.5.9 FUSING TEMPERATURE ADJUSTMENT ........5-3...

  • Page 20: Drive Mechanism

    SC Code E-10: Main Motor Abnormal...........6-3 SC Code E-11: Toner Density Sensor Adjustment Error ......6-3 SC Code E-13: Total Counter Abnormal..........6-4 SC Code E-14: Zero Cross Signal Detection Abnormal......6-4 SC Code E-15: Main Switch Abnormal ..........6-4 SC Code E-17: Unstable Fusing Temperature ........6-4 SC Code E-18: Fusing Lamp Continuous Light ........6-4 6.3 BLOWN FUSE TABLE ................6-5 6.3.1 POWER SUPPLY UNIT..............6-5...
  • Page 21 TECHNICAL SERVICE BULLETINS...
  • Page 22 A163/A251/A252/B047/B048 PARTS CATALOG 001316MIU...

  • Page 23: Roll Cutting Rail

    LEGEND PRODUCT CODE COMPANY GESTETNER RICOH SAVIN A163 FW740 A251 FW750 A252 FW760 B047 A040 FW770 7700W B048 A041 FW780 7800W A571 Roll Feeder A570 Roll Cutting Rail A714 Table A836 Table/Copy Tray B435/B436 Roll Feeder Type A/B B437 Roll Cutting Rail Type 770...
  • Page 24 RICOH FW740 FW750 FW760 FW770 FW780 service manual RICOH FW740 FW750 FW760 FW770 FW780 service manual RICOH FW740 FW750 FW760 FW770 FW780 service manual RICOH FW740 FW750 FW760 FW770 FW780 service manual RICOH FW740 FW750 FW760 FW770 FW780 service manual...

This manual is also suitable for:

A251A252B047B048

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