This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Ricoh.
You can print, zoom or read any diagram, picture or page from this manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Ricoh DX3343/DX3443, product code C275 Service Manual and Parts List Manual.
Table of contents:
CONTENT FOR SERVICE MANUAL:
PRODUCT INFORMATION
1. PRODUCT INFORMATION
1.1 SPECIFICATIONS
1.2 GUIDANCE FOR THOSE WHO ARE FAMILIAR WITH PREDECESSOR
PRODUCTS
1.3 OVERVIEW
1.3.1 MECHANICAL COMPONENT LAYOUT
1.3.2 ELECTRICAL COMPONENT LAYOUT
Boards
Motors
Solenoids
Switches
Sensors
Others
1.3.3 DRIVE LAYOUT
INSTALLATION
2. INSTALLATION
2.1 INSTALLATION REQUIREMENTS
2.1.1 OPTIMUM ENVIRONMENTAL CONDITION
2.1.2 ENVIRONMENTS TO AVOID
2.1.3 POWER CONNECTION
2.1.4 MINIMUM SPACE REQUIREMENTS
2.1.5 DIMENSIONS
2.1.6 MAIN BODY AND PERIPHERALS
2.1.7 POWER SOCKETS FOR PERIPHERALS
2.2 INSTALLATION PROCEDURE
2.2.1 MAIN BODY
Accessory Check
Installation Procedure
Changing the operation panel language
Date/Time Setting
SP Codes Setting
2.2.2 COLOR DRUM (OPTION)
Accessory Check
Installation Procedure
2.2.3 ADF (OPTION)
Accessory Check
Installation Procedure
2.2.4 PLATEN COVER (OPTION)
Accessory Check
Installation Procedure
2.2.5 TAPE DISPENSER (OPTION)
Accessory Check
Installation Procedure
2.2.6 PRINTER UNIT VC-20 (OPTION)
Accessory Check
Installation Procedure
2.2.7 PRINTER UNIT TYPE 4545A (OPTION)
Components Check
Installation Procedure
PREVENTIVE MAINTENANCE
3. PREVENTIVE MAINTENANCE
3.1 MAINTENANCE TABLES
REPLACEMENT AND ADJUSTMENT
4. REPLACEMENT AND ADJUSTMENT
4.1 GENERAL CAUTION
4.2 SPECIAL TOOLS
4.3 IMAGE ADJUSTMENT
4.3.1 OVERVIEW
4.3.2 SP6-10: MASTER WRITING SPEED
4.3.3 SP6-21: PAPER REGIST POSITION
4.3.4 SP6-5: SCANNING SPEED – PLATEN AND SP6-6: SCANNING SPEED – ADF MODE
4.3.5 SP6-3: SCANNING START POSITION – PLATEN AND SP6-4: SCANNING START POSITION – ADF
4.3.6 SP6-1: MAIN SCAN POSITION – PLATEN AND SP6-2: MAIN SCAN POSITION – ADF
4.4 COVERS
4.4.1 FRONT COVER AND FRONT DOOR
4.4.2 OPERATION PANEL
4.4.3 REAR COVER
4.4.4 UPPER COVERS
4.5 BOARDS
4.5.1 MPU
4.5.2 PSU
PSU Board
PSU Board with Bracket
4.6 SCANNER
4.6.1 EXPOSURE GLASS, DF EXPOSURE GLASS AND SCALES
Exposure Glass
DF Exposure Glass
4.6.2 LENS BLOCK
4.6.3 EXPOSURE LAMP AND LAMP STABILIZER BOARD
4.6.4 SCANNER MOTOR
4.6.5 SCANNER HOME POSITION SENSOR
4.6.6 PLATEN COVER SENSOR
4.6.7 ADJUSTING THE SCANNER POSITION
Overview
Adjusting the Belt Contact Points for the First Scanner
Adjusting the Belt Contact Points for the Second Scanner
4.7 MASTER FEED
4.7.1 MASTER MAKING UNIT
4.7.2 MASTER MAKING UNIT SET SWITCHES
4.7.3 THERMAL HEAD
Installation
4.7.4 MASTER SET COVER SENSOR
4.7.5 MASTER END SENSOR
4.7.6 CUTTER UNIT
4.7.7 THERMAL HEAD VOLTAGE ADJUSTMENT
4.7.8 MASTER END SENSOR ADJUSTMENT
4.8 MASTER EJECT
4.8.1 MASTER EJECT UNIT
4.8.2 MASTER EJECT ROLLERS
4.8.3 MASTER EJECT MOTOR AND PRESSURE PLATE MOTOR
4.8.4 DRUM MASTER SENSOR, MASTER EJECT SENSOR AND EJECT BOX SET SENSOR
4.8.5 PRESSURE PLATE HP SENSOR AND PRESSURE PLATE LIMIT SENSOR
4.8.6 AIR KNIFE FAN MOTOR
4.8.7 MASTER EJECT POSITION SENSOR
4.8.8 MASTER CLAMPER OPENING UNIT
4.9 PAPER FEED
4.9.1 PICK-UP ROLLER, PAPER FEED ROLLER AND FRICTION PAD
4.9.2 PAPER TABLE LOWER LIMIT SENSOR
4.9.3 PAPER HEIGHT SENSOR 1 AND 2
4.9.4 PAPER END SENSOR
4.9.5 PAPER TABLE MOTOR
4.9.6 PAPER FEED CLUTCH
4.9.7 PAPER SEPARATION PRESSURE ADJUSTMENT
4.10 PRINTING
4.10.1 PRESS ROLLER
4.10.2 REGISTRATION SENSOR
4.10.3 FEED START TIMING SENSOR
4.10.4 2ND FEED TIMING SENSOR
4.10.5 REGISTRATION MOTOR
4.10.6 REGISTRATION ROLLER
4.10.7 PRESS ROLLER RELEASE SOLENOIDS
4.10.8 PRESS ROLLER RELEASE LEVER ADJUSTMENT
4.10.9 PRINTING PRESSURE ADJUSTMENT
4.11 DRUM
4.11.1 PREPARATION
4.11.2 CLOTH SCREEN
Installation
4.11.3 CLAMPER AND METAL SCREEN
Installation
4.11.4 INK PUMP UNIT
4.11.5 INK ROLLER UNIT AND INK ROLLER ONE-WAY CLUTCH
4.11.6 DOCTOR ROLLER GAP ADJUSTMENT
4.11.7 INK DETECTION ADJUSTMENT
Using an Oscilloscope
Simple Method
4.12 PAPER DELIVERY
4.12.1 PAPER DELIVERY UNIT
4.12.2 DELIVERY BELT, PAPER EXIT SENSOR, VACUUM FAN
MOTOR AND PAPER DELIVERY UNIT BUSHINGS
4.12.3 PAPER DELIVERY MOTOR
4.12.4 EXIT PAWL ADJUSTMENT
Clearance adjustment
Timing adjustment
4.13 MAIN DRIVE
4.13.1 REGISTRATION MOTOR
4.13.2 MAIN MOTOR
4.13.3 MAIN DRIVE TIMING BELT ADJUSTMENT
4.13.4 MAIN MOTOR PULLEY POSITION
SYSTEM MAINTENANCE
5. SYSTEM MAINTENANCE
5.1 SERVICE PROGRAM MODE
TROUBLESHOOTING
6. TROUBLESHOOTING
6.1 TROUBLESHOOTING GUIDE
ENERGY SAVING
7. ENERGY SAVING
7.1 ENERGY SAVE
7.1.1 ENERGY SAVER MODES
Timer Settings
Recommendation
7.2 PAPER SAVE
7.2.1 EFFECTIVENESS OF THE COMBINE FUNCTION
Combine mode:
Recommendation
275
C275 SERVICE MANUAL APPENDICES
SEE C275 SERVICE MANUAL APPENDICES SECTION FOR DETAILED TABLE OF CONTENTS
————————-
CONTENT FOR PARTS LIST:
Location Of Unit
1. Exterior (C275)
2. Operation Panel (C275)
3. Scanner Unit 1 (C275)
4. Scanner Unit 2 (C275)
5. Scanner Unit 3 (C275)
6. Paper Table Section (C275)
7. Paper Registration 1 (C275)
8. Paper Registration 2 (C275)
9. Paper Feed Section (C275)
10. Protter Unit 1 (C275)
11. Protter Unit 2 (C275)
12. Protter Unit 3 (C275)
13. Press Roller Section (C275)
14. Drum Unit 1 (C275)
15. Drum Unit 2 (C275)
16. Drum Unit 3 (C275)
17. Vacuume Fan Unit (C275)
18. Delibary Table (C275)
19. Master Eject Unit 1 (C275)
20. Master Eject Unit 2 (C275)
21. Electrical Section 1 (C275)
22. Electrical Section 2 (C275)
23. Drive Section 1 (C275)
24. Drive Section 2 (C275)
25. Frame Section 1 (C275)
26. Frame Section 2 (C275)
27. MPU Board (C275)
28. Decals And Documents (C275)
29. Special Tools (C275)
PLATEN COVER TYPE 1018 B406 PARTS LOCATION AND LIST
1.PLATEN COVER TYPE 1018 (B406)
PLATEN COVER TYPE 1018 B406 PARTS INDEX PARTS INDEX
DOCUMENT FEEDER DF TYPE 20 C642 PARTS LOCATION AND LIST
1. EXTERIOR (C642)
2. ORIGINAL FEED SECTION 1 (C642)
3. ORIGINAL FEED SECTION 2 (C642)
4. ORIGINAL TRANSFER AND FRAME (C642)
5. ELECTRICAL SECTION (C642)
6. DECALS AND DOCUMENTS (C642)
DOCUMENT FEEDER DF TYPE 20 C642 PARTS INDEX PARTS INDEX
COLOR DRUM TYPE 20 C647 PARTS LOCATION AND LIST
1. COLOR DRUM 1 (C647/C648)
2. COLOR DRUM 2 (C647/C648)
3. COLOR DRUM 3 (C647/C648)
COLOR DRUM TYPE 20 C647 PARTS INDEX
PARTS INDEX
TAPE DISPENSER TYPE 20 C651 PARTS LOCATION AND LIST
1. EXTERIOR (C651)
2. DECAL (C651)
TAPE DISPENSER TYPE 20 C651 PARTS INDEX
PARTS INDEX