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Make/Model Information:

  • Brand:   Ricoh
  • Models included:
    • Ricoh B174

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English (EN)
  • Number of pages:   174
  • File size:  ∼ 9.30 MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMRH-1049

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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SERVICE DOCUMENTATION
001955MIU
RICOH GROUP COMPANIES
SM i B174
TABLE OF CONTENTS
INSTALLATION
1. INSTALLATION
PREVENTIVE MAINTENANCE
2. PREVENTIVE MAINTENANCE
REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT˙
3.1 GENERAL PRECAUTIONS ON DISASSEMBLY
Releasing Plastic Latches
3.2 REAR COVER
3.3 SCANNER ASS'Y
3.4 ADF ASS'Y˙
3.5 OPE ASS'Y (ALSO KNOWN AS ?OP-PORT?)˙
3.6 RIGHT COVER ASS'Y˙
Multi Purpose (MP) Tray (Also known as Bypass Tray)
Duplex Ass?y˙
Transfer Roller Ass?y
3.7 FUSER ASS'Y (ALSO KNOWN AS ?FUSING UNIT?)˙
3.8 EXIT ASS'Y˙
3.9 COPY TRAY
3.10 DRIVE ASS'Y˙
3.11 SMPS & HVPS (ALSO KNOWN AS ?PSU? AND ?POWER PACK)˙
3.12 LSU (LASER SCANNING UNIT)˙
3.13 LEFT COVER
3.14 MAIN FRAME ASS'Y
3.15 MP ASS'Y (MULTI PURPOSE ASS?Y)
3.16 FEED ASS'Y
3.17 PICK UP ASS'Y
3.18 MAIN BOARD
3.19 LIU BOARD˙
TROUBLESHOOTING
4. TROUBLESHOOTING˙
4.1 ERROR MESSAGES
4.2 ABNORMAL IMAGE PRINTING AND DEFECTIVE ROLLERS
4.3 TROUBLESHOOTING
4.3.1 SCANNER˙
B174 ii SM
PC-SCAN
4.3.2 FAX
FAX/TELEPHONE PRECAUTIONS˙
4.3.3 PRINT QUALITY
No Image
All Black
Vertical White Line (Band)
Dark Image˙
Background
Black Spot
Horizontal Band˙
Irregular Density˙
White Spot
Trembling at the End When OHP Printing˙
Poor Fusing Grade
4.3.4 MALFUNCTION
No Power (LCD NO display LED Off)˙
Fuser Error
Paper Jam (Mis-Feeding)
Paper Jam (Jam 1)˙
Engine Error
4.3.5 TONER CARTRIDGE AND DRUM CARTRIDGE SERVICE˙
Precautions on Safe-keeping of the Drum Cartridge˙
Service for the Life of Toner Cartridge
Symptoms of a defective toner cartridge
4.3.6 PROBLEMS CAUSED BY SOFTWARE
The printer is not working (1)˙
The printer is not working (2)˙
Abnormal Printing˙
Spooling Error
SERVICE TABLES
5. SERVICE TABLES
5.1 USER MODE˙
5.2 TECH MODE
5.2.1 HOW TO ENTER SERVICE MODE˙
5.2.2 SETTING UP THE SYSTEM IN TECH MODE
5.2.3 SYSTEM DATA
DIALING MODE
MODEM SPEED
ERROR RATE˙
SET TX LEVEL˙
SILENCE TIME
5.2.4 MEMORY CLEAR
CLEAR ALL MEMORY˙
SM iii B174
5.2.5 MAINTENANCE˙
CLEAN DRUM˙
NOTIFY TONER LOW
SWITCH TEST˙
MODEM TEST
SRAM TEST˙
DRAM TEST
ROM TEST
PATTERN TEST
CLEAR COUNT˙
ANSWER ON CNG
ADJUST SHADING
FLASH UPGRADE
PROGRAM DIAL˙
REMOTE TEST˙
5.2.6 REPORTS/HELP
PROTOCOL DUMP LIST
SYSTEM DATA˙
5.3 IDENTIFY SALE DATE
5.4 FIRMWARE DOWNLOAD
5.4.1 LOCAL MACHINE UPDATE
RCP (Remote Control Panel) mode
To get the system data list
5.4.2 RE-PROGRAMMING PROCEDURE AFTER DOWNLOAD˙
5.4.3 RECOVERY PROCEDURE
5.4.4 REMOTE MACHINE UPDATE
How to update firmware by remote fax˙
5.5 PROCEDURE TO SET COUNTRY CODE
Procedure
5.6 ENGINE TEST MODE
5.6.1 TO ENTER THE ENGINE TEST MODE
5.6.2 DIAGNOSTIC˙
5.6.3 STATUS PRINT
DETAILED DESCRIPTIONS
6. DETAILED DESCRIPTION˙
6.1 MAIN PBA (ALSO KNOWN AS MAIN BOARD)˙
6.1.1 SUMMARY˙
6.2 CIRCUIT OPERATION
6.2.1 FAX TRANSCEIVER
General
Modem (u44)˙
6.3 SCANNER
6.3.1 SUMMARY˙
B174 iv SM
6.3.2 KEY FEATURES
Overview
Pixel processing structure
Shading Correction˙
Gamma Correction
Binary conversion (mono)
Scaling of input image
Intelligent scan motor controller˙
Auto-Run
Processed data output format in DTM (Data Transfer Module)˙
6.4 SMPS & HVPS (ALSO KNOWN AS PSU AND POWER PACK)
6.4.1 SUMMARY OF SMPS
6.4.2 SUMMARY OF HVPS
6.5 ENGINE CONTROLLER
6.5.1 FUSING CONTROL/THERMISTOR CIRCUIT
6.5.2 PAPER DETECTION CIRCUIT˙
1) Cover Open Detection˙
2) Paper Empty Detection
3) Paper Feeding˙
4) Paper Exit Detection
6.6 LIU (ALSO KNOWN AS NCU)
6.6.1 SUMMARY˙
6.6.2 DIALER
TONE DIAL
PULSE DIAL˙
SPECIFICATIONS
SPECIFICATIONS
1. GENERAL SPECIFICATIONS
2. PRINT SPECIFICATION
3. SCAN SPECIFICATION˙
4. COPY SPECIFICATION
5. TELEPHONE SPECIFICATION˙
6. FAX SPECIFICATION˙
7. PAPER HANDLING
8. CONSUMABLES
APPENDIX
APPENDIX
BLOCK DIAGRAMS
CONNECTION DIAGRAMS
PARTS CATALOG
SEE PARTS CATALOG SECTION FOR DETAILED TABLE OF CONTENTS
PARTS CATALOG
PARTS CATALOG
Parts Location and List ˙i ˙B174
PARTS CATALOG
TABLE OF CONTENTS
PARTS LOCATION AND LIST
1. MAIN ASSEMBLY˙
2. PLATEN ASSEMBLY
3. ADF ASSEMBLY
4. SIDE COVER ASSEMBLY˙
5. CASSETTE ASSEMBLY˙
6. EXIT ASSEMBLY˙
7. FEEDER ROLLER ASSEMBLY
8. MP ASSEMBLY
9. BASE FLAME ASSEMBLY
10. PICK-UP ASSEMBLY
11. DRIVER ASSEMBLY
12. MAIN FRAME ASSEMBLY
13. FUSER ASSEMBLY˙
PARTS CATALOG INDEX
MAIN ASSEMBLY
B174 ˙2 ˙Parts Location and List
1. MAIN ASSEMBLY
B174C900.WMF


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