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Ricoh B125 Service Manual

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B125
SERVICE MANUAL
001911MIU
RICOH GROUP COMPANIES

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Summary of Contents for Ricoh B125

  • Page 1 B125 SERVICE MANUAL 001911MIU RICOH GROUP COMPANIES...

  • Page 2: Documentation History

    LEGEND PRODUCT CODE COMPANY GESTETNER LANIER RICOH SAVIN B125 A045 LW310 Aficio 240W 2400WD DOCUMENTATION HISTORY REV. NO. DATE COMMENTS 4/2004 Original Printing...
  • Page 3 B125 TABLE OF CONTENTS INSTALLATION 1. INSTALLATION PROCEDURE............ 1-1 1.1 PREPARATION..................1-1 1.1.1 ENVIRONMENT ................1-1 1.1.2 MINIMUM SPACE REQUIREMENTS..........1-2 1.1.3 MACHINE LEVEL ................1-2 1.1.4 POWER SOURCE................1-3 1.1.5 INSTALLATION OVERVIEW............1-4 Installation Flow ..................1-4 SP and User Tool Settings Required for Installation ......1-5 1.2 COPIER INSTALLATION ................1-6...
  • Page 4 Attach the Mylars to the Back of the Table .........1-49 Attaching the Stopper Bracket ............1-50 PREVENTIVE MAINTENANCE 2. PREVENTIVE MAINTENANCE............ 2-1 2.1 PM TABLE....................2-1 2.1.1 COPIER (B125) ................2-1 2.1.2 ROLL FEEDER (B641/B642)............2-3 2.1.3 PAPER CASSETTE (B643)..............2-3 2.2 CLEANING THE ENTRANCE SPURS ............2-4 2.3 LUBRICATION POINTS ................2-5 2.3.1 DEVELOPMENT SECTION..............2-5...
  • Page 5 3.7 FUSING SECTION ..................3-52 3.7.1 PRESSURE SPRING ADJUSTMENT ..........3-52 3.7.2 HOT ROLLER STRIPPERS ............3-53 3.7.3 PRESSURE ROLLER STRIPPERS ..........3-53 3.7.4 PRESSURE ROLLER THERMISTOR, FUSING EXIT SENSOR ...3-54 3.7.5 FUSING UNIT.................3-55 3.7.6 FUSING CLEANING ROLLER ............3-56 3.7.7 FUSING LAMP ................3-57 3.7.8 HOT ROLLER.................3-58 B125...
  • Page 6 To Print Pattern IPU Test Pattern 51 ..........3-87 Main Scan Adjustment: White, Black Vertical Lines......3-88 Main Scan Adjustment: LED Light Level at LPH Joints.......3-89 To Adjust the LPH for Misalignment............3-90 3.11.4 LPH DENSITY ................3-91 To Print the R-10 Pattern 51 ...............3-91 To Correct Pattern Density ..............3-91 B125...
  • Page 7 MCU LEDs..................4-29 VDB LEDs...................4-29 SIB LEDs ....................4-29 PSU LEDs...................4-30 SERVICE TABLES 5. SERVICE TABLES............... 5-1 5.1 USING THE SP MODE ................5-1 5.1.1 DIRECT ENTRY ................5-1 Normal Direct Entry................5-1 Rapid Direct Entry.................5-2 5.2 SOFTWARE UPGRADE ................5-3 5.2.1 UPGRADING FIRMWARE ...............5-3 B125...
  • Page 8 6.2.7 AUTO IMAGE DENSITY CORRECTION........6-11 6.3 IMAGE PROCESSING ................6-12 6.3.1 OVERVIEW ..................6-12 Overall System ...................6-12 IPU Board Details ................6-13 6.3.2 GENERAL IMAGE PROCESSING FLOW CHART......6-14 6.3.3 ORIGINAL MODES ................6-15 Overview.....................6-15 Text Mode...................6-16 Photo Mode ..................6-17 Text/Photo Mode ................6-18 Pale Mode...................6-19 Generation ..................6-20 B125...
  • Page 9 Roll Feeder ..................6-51 Paper Cassette ...................6-51 Paper Width and Media Type Settings..........6-51 6.7.2 MANUAL FEED MECHANISM ............6-52 6.7.3 ROLL FEED MECHANISM.............6-53 Drive ....................6-53 Roll Pre-feeding ..................6-54 Procedure ...................6-55 6.7.4 ROLL FEEDER PAPER HOLDERS ..........6-56 6.7.5 ROLL PAPER CUTTING MECHANISM .........6-57 B125...
  • Page 10 6.11.2 DESCRIPTIONS OF ELECTRICAL COMPONENTS ....6-84 6.11.3 MCU, IPU ..................6-89 MCU (Main Control Unit)..............6-89 IPU (Image Processing Unit) ..............6-89 6.11.4 PSU ....................6-90 6.11.5 SMDB, VDB, SIB ................6-91 SMDB (Scanner Motor Drive Board)...........6-91 VDB (Video Drive Board) ..............6-91 SIB (Scanner Interface Board)............6-91 B125 viii...

  • Page 11: Specifications

    6.11.6 RFDB, SFDB ................6-92 RFDB (Roll Feed Drive Board) ............6-92 SFDB (Sheet Feed Drive Board) ............6-92 SPECIFICATIONS SPECIFICATIONS................7-1 1. COPIER ENGINE ..................7-1 2. ROLL FEEDER B641/B642 .................7-4 3. PAPER CASSETTE B643 ................7-4 4. MACHINE CONFIGURATION ..............7-5 B125...
  • Page 12 INSTALLATION PREVENTIVE MAINTENANCE REPLACEMENT AND ADJUSTMENT TROUBLESHOOTING SERVICE TABLES DETAILED DESCRIPTIONS SPECIFICATIONS...
  • Page 13 22.MAIN CONTROL BOARD (B125)......48 2.EXTERIOR 2 (B125) ..........8 23.IPU BOARD (B125) ..........58 3.OPERATION PANEL (B125) ........10 24.DECAL AND DOCUMENTS (B125) ....... 72 4.SCANNER SECTION 1 (B125)........ 12 25.SPECIAL TOOLS (B125)........74 5.SCANNER SECTION 2 (B125)........ 14 6.SCANNER SECTION 3 (B125)........
  • Page 14 ROLL FEEDER TYPE 240A/B B641/B642 PARTS INDEX INTERFACE PCB TYPE 240 B690 PARTS LOCATION AND PARTS INDEX ............... 2 LIST 1. INTERFACE BOARD (B690)........2 PAPER CASSETTE TYPE 240 B643 PARTS LOCATION AND LIST INTERFACE PCB TYPE 240 B690 PARTS INDEX 1.CASSETTE 1 (B643)..........