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Make/Model Information:

  • Brand:   Ricoh
  • Models included:
    • Ricoh JP730 (Ricoh C252)
    • Ricoh JP735 (Ricoh C261)

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English
  • Number of pages:   325
  • File size:  ∼ 13.19 MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMRH-1020

NOTE:  This list was created by program script and may not accurately represent the text from the source pages.   For full preview please click on 'Download sample':

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C252/C261
SERVICE MANUAL
001701MIU
C252/C261
SERVICE MANUAL
001701MIU
LEGEND
PRODUCT CODE COMPANY
GESTETNER LANIER RICOH SAVIN
C252 JP730
C261 JP735



DOCUMENTATION HISTORY
REV. NO. DATE COMMENTS
* 06/2003 Original Printing
1 06/2006 C261 Addition
SM i C252/C261
C252/C261
TABLE OF CONTENTS
INSTALLATION
1. INSTALLATION
1.1 INSTALLATION REQUIREMENTS
1.1.1 OPTIMUM ENVIRONMENTAL CONDITION
1.1.2 ENVIRONMENTS TO AVOID
1.1.3 POWER CONNECTION
1.1.4 MINIMUM SPACE REQUIREMENTS
1.1.5 DIMENSIONS
1.2 INSTALLATION PROCEDURE
1.2.1 MAIN BODY
1.2.2 ADDITIONAL DRUMS (OPTION)
1.2.3 INTERFACE BOARD (OPTION)
PREVENTIVE MAINTENANCE
2. PREVENTIVE MAINTENANCE
2.1 MAINTENANCE TABLE
REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT
3.1 GENERAL CAUTION
3.2 COVERS
3.2.1 PANEL/FRONT COVERS
3.2.2 REAR COVER
3.3 BOARDS
3.3.1 MPU
3.3.2 PSU
3.4 SCANNER
3.4.1 COVERS
3.4.2 1ST, 2ND FEED ROLLER/CIS (CONTACT IMAGE SENSOR)
3.4.3 DOCUMENT SENSOR
3.4.4 SCANNER MOTOR
3.5 MASTER FEED
3.5.1 MASTER MAKING UNIT
3.5.2 THERMAL HEAD
3.5.3 THERMAL HEAD VOLTAGE ADJUSTMENT
3.5.4 MASTER END SENSOR ADJUSTMENT
3.6 MASTER EJECT
3.6.1 MASTER EJECT UNIT
3.6.2 MASTER EJECT ROLLERS
C252/C261 ii SM
3.7 PAPER FEED
3.7.1 PAPER FEED ROLLER/FRICTION PAD
3.7.2 PAPER FEED PRESSURE ADJUSTMENT
3.7.3 PAPER SEPARATION PRESSURE ADJUSTMENT
3.8 PRINTING
3.8.1 PRESS ROLLER
3.8.2 PAPER REGISTRATION ROLLER
3.8.3 PRESS ROLLER RELEASE LEVER ADJUSTMENT
3.8.4 PRINTING PRESSURE ADJUSTMENT
3.9 DRUM
3.9.1 PREPARATION
3.9.2 CLOTH SCREEN
3.9.3 CLAMPER / METAL SCREEN
3.9.4 INK PUMP ADJUSTMENT
3.9.5 DOCTOR ROLLER GAP ADJUSTMENT
3.9.6 INK DETECTION ADJUSTMENT
3.10 PAPER DELIVERY
3.10.1 PAPER DELIVERY UNIT
3.10.2 DELIVERY BELT/PAPER EXIT SENSOR
3.10.3 VACUUM FAN MOTOR POSITION
3.10.4 EXIT PAWL ADJUSTMENT
3.11 MAIN DRIVE
3.11.1 MAIN DRIVE TIMING BELT ADJUSTMENT
3.11.2 MAIN MOTOR PULLEY POSITION
3.12 FIRMWARE UPDATE
TROUBLESHOOTING
4. TROUBLESHOOTING
4.1 ERROR CODES
4.2 ELECTRICAL COMPONENT DEFECTS
4.3 FUSE, LED, VR, DIP-SW, AND TP TABLES
4.3.1 BLOWN FUSE CONDITIONS
4.3.2 LED’S
4.3.3 VR’S
4.3.4 TEST POINTS
4.3.5 DIP SWITCHES
4.4 JAM DETECTION
4.4.1 MASTER EJECT JAM (E JAM LOCATION INDICATOR)
4.4.2 SCANNER JAM (P JAM LOCATION INDICATOR)
4.4.3 MASTER FEED JAM (D JAM LOCATION INDICATOR)
4.4.4 DRUM JAM (B JAM LOCATION INDICATOR)
4.4.5 PAPER FEED JAM (A JAM LOCATION INDICATOR + > + ?)
4.4.6 PAPER DELIVERY JAM (C JAM LOCATION INDICATOR)
SM iii C252/C261
SERVICE TABLES
5. SERVICE TABLES
5.1 SERVICE PROGRAM MODE
5.1.1 SERVICE PROGRAM MODE OPERATION
5.1.2 MAIN MENU NO.1: INPUT MODE
5.1.3 MAIN MENU NO.2: OUTPUT MODE
5.1.4 SP2-41: THERMAL HEAD SIGNAL OUTPUT (VHD SIGNAL)
5.1.5 MAIN MENU NO.3: TEST MODE
5.1.6 SP3-1: FIRMWARE SUFFIX INFORMATION
5.1.7 MAIN MENU NO.6: ADJUSTMENT MODE
5.1.8 SP6-42: IMAGE ADJUSTMENT PATTERN PRINT
5.2 DIP SWITCHES
5.2.1 OVERVIEW
5.2.2 DIPSW101 NO.1 TO 4 PAPER REGISTRATION POSITION
ADJUST MENT
5.2.3 DIPSW101 NO.5 TO 8 MASTER WRITING POSITION
ADJUST MENT
5.2.4 DIPSW102 NO.1 TO 3 THERMAL HEAD ENERGY CONTROL ..5-9
5.2.5 DIPSW103 NO.1 TO 4 SCANNING SPEED ADJUSTMENT
5.2.6 DIPSW103 NO.5 TO 8 MASTER FEEDING SPEED
ADJUSTME NT
DETAILED DESCRIPTIONS
6. DETAILD SECTION DESCRIPTIONS
6.1 MECHANISM OVERVIEW
6.1.1 MAJOR PARTS
6.1.2 ELECTRICAL COMPONENT LAYOUT
6.1.3 DRIVE LAYOUT
6.2 MASTER EJECT UNIT
6.2.1 OVERVIEW
6.2.2 MASTER CLAMPER OPENING MECHANISM
6.2.3 MASTER EJECT ROLLER MECHANISM
6.2.4 PRESSURE PLATE MECHANISM
6.3 SCANNER UNIT
6.3.1 SCANNER DRIVE
6.4 IMAGE PROCESSING
6.4.1 IMAGE PROCESSING FLOW
6.5 MASTER FEED
6.5.1 OVERVIEW
6.5.2 MASTER FEED MECHANISM
6.5.3 CLAMPER AND TENSION ROLLER MECHANISM
6.5.4 CUTTER MECHANISM
6.5.5 MASTER SET COVER SENSOR
6.6 DRUM
6.6.1 OVERVIEW
C252/C261 iv SM
6.6.2 DRUM DRIVE MECHANISM
6.6.3 INK SUPPLY MECHANISM
6.6.4 INK ROLLER MECHANISM
6.6.5 INK SUPPLY CONTROL
6.6.6 DETECTION OF MASTERS ON THE DRUM
6.7 PAPER FEED
6.7.1 OVERVIEW
6.7.2 PAPER FEED MECHANISM
6.7.3 PAPER FEED / SEPARATION PRESSURE MECHANISM
6.7.4 REGISTRATION ROLLER MECHANISM
6.7.5 REGISTRATION SENSOR CLEANING
6.7.6 PRINTING PRESSURE MECHANISM
6.7.7 RE-FEEDING MECHANISM
6.7.8 PAPER TABLE MECHANISM
6.8 PAPER DELIVERY
6.8.1 OVERVIEW
6.8.2 PAPER DELIVERY UNIT DRIVE MECHANISM
6.8.3 PAPER SEPARATION FROM THE DRUM
6.8.4 EXIT PAWL DRIVE MECHANISM
6.9 TIMING CHART
6.9.1 MASTER EJECT/MASTER FEED
6.9.2 MASTER WRAPPING
6.9.3 PRINTING
SPECIFICATIONS
SPECIFICATIONS
1. GENERAL SPECI FICATIONS
OVERALL INFORMATION
1. INSTALLATION
1.2 INSTALLATION PROCEDURE
1.2.1 MAIN BODY
1.2.2 ADDITIONAL DRUMS (OPTION)
2. REPLACEMENT AND ADJUSTMENT
2.9 DRUM
2.9.2 CLOTH SCREEN
2.9.3 CLAMPER / METAL SCREEN
2.9.4 INK PUMP ADJUSTMENT
2.10 PAPER DELIVERY
2.10.3 VACUUM FAN MOTOR POSITION
3. TROUBLESHOOTING
SM v C252/C261
3.5 OTHERS
4. DETAILED SECTION DESCRIPTIONS
4.4 IMAGE PROCESSING
4.4.1 IMAGE PROCESSING FLOW
4.7 PAPER FEED
4.6 DRUM
4.6.6 DETECTION OF MASTER ON THE DRUM
4.6.7 METAL SCREEN
4.8 PAPER DELIVERY
4.8.1 PAPER DELIVERY UNIT DRIVE MECHANISM
4.10 MAIN CONTROL BOARD
INSTALLATION
PREVENTIVE MAINTENANCE
REPLACEMENT AND ADJUSTMENT
TROUBLESHOOTING
SERVICE TABLES
DETAILED DESCRIPTIONS
SPECIFICATIONS
C261 SECTION
POSITION 2
POSITION 1
POSITION 3
POSITION 4
POSITION 6
POSITION 5
POSITION 8
POSITION 7
C252/C261 PARTS CATALOG
TABLE OF CONTENTS
C252 PARTS LOCATION AND LIST
LOCATION OF UNIT
1.EXTERIOR (C252)
2.OPERATION PANEL (C252)
3.SCANNER SECTION (C252)
4.PAPER TABLE (C252)
5.PAPER REGISTRATION (C252)
6.PAPER FEED SECTION (C252)
7.PLOTTER UNIT 1 (C252)
8.PLOTTER UNIT 2 (C252)
9.PRESS ROLLER SECTION (C252)
10.DRUM UNIT 1 (C252)
11.DRUM UNIT 2 (C252)
12.DRUM UNIT 3 (C252)
13.VACUUM FAN UNIT (C252)
14.DELIVERY TABLE (C252)
15.MASTER EJECT UNIT (C252)
16.ELECTRICAL AND DRIVE SECTION (C252)
17.DRIVE AND FRAME SECTION (C252)
18.FRAME SECTION (C252)
19.CONTROL BOARD (C252)
20.DECALS AND DOCUMENTS (C252)
C252 PARTS INDEX
PM PARTS INDEX
PARTS INDEX
C261 PARTS LOCATION AND LIST
LOCATION OF UNIT
1.EXTERIOR (C261)
2.OPERATION PANEL (C261)
3.SCANNER SECTION (C261)
4.PAPER TABLE (C261)
5.PAPER REGISTRATION (C261)
6.PAPER FEED SECTION (C261)
7.PLOTTER UNIT 1 (C261)
8.PLOTTER UNIT 2 (C261)
9.PRESS ROLLER SECTION (C261)
10.DRUM UNIT 1 (C261)
11.DRUM UNIT 2 (C261)
12.DRUM UNIT 3 (C261)
13.VACUUM FAN UNIT (C261)
14.DELIVERY TABLE (C261)
15.MASTER EJECT UNIT (C261)
16.ELECTRICAL AND DRIVE SECTION (C261)
17.DRIVE AND FRAME SECTION (C261)
18.FRAME SECTION (C261)
19.CONTROL BOARD (C261)
20.DECALS AND DOCUMENTS (C261)
C261 PARTS INDEX
PM PARTS INDEX
PARTS INDEX


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