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Make/Model Information:

  • Brand:   Ricoh
  • Models included:
    • Ricoh B079
    • Ricoh B082
    • Ricoh A-C3

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English (EN)
  • Number of pages:   426
  • File size:  ∼ 16.30 MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMRH-1064

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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Model A-C3
(Machine Code: B079/B082)
SERVICE MANUAL
TABLE OF CONTENTS
1. INSTALLATION PROCEDURE
1.1 INSTALLATION REQUIREMENTS
1.1.1 ENVIRONMENT˙
1.1.2 MACHINE LEVEL˙
1.1.3 MINIMUM SPACE REQUIREMENTS
1.1.4 POWER REQUIREMENTS
1.2 INSTALLATION FLOW CHART
1.3 MAIN MACHINE INSTALLATION
1.3.1 ACCESSORY CHECK
1.3.2 INSTALLATION PROCEDURE
Development Unit and PCU˙
Toner Bottle
Paper Trays
Initialize TD Sensor and Developer
Set Paper Size for Paper Trays
Electrical Total Counter
HDD Caution Decal
Exposure Glass Cleaner˙
1.4 PAPER TRAY UNIT INSTALLATION (B542)
1.4.1 ACCESSORY CHECK
1.4.2 PAPER TRAY UNIT INSTALLATION PROCEDURE
1.5 1-BIN TRAY UNIT INSTALLATION (B544)
1.5.1 ACCESSORY CHECK
1.5.2 1-BIN TRAY INSTALLATION PROCEDURE
1.6 BRIDGE UNIT INSTALLATION (B538)
1.6.1 ACCESSORY CHECK
1.6.2 BRIDGE UNIT INSTALLATION PROCEDURE
1.7 TWO-TRAY FINISHER INSTALLATION (B545)
1.7.1 ACCESSORY CHECK
1.7.2 TWO-TRAY FINISHER INSTALLATION PROCEDURE
1.8 PUNCH UNIT INSTALLATION˙
1.8.1 ACCESSORY CHECK
1.8.2 PUNCH UNIT INSTALLATION PROCEDURE
1.9 ARDF INSTALLATION (B541)
1.9.1 ACCESSORY CHECK
1.9.2 ARDF INSTALLATION PROCEDURE
1.9.3 ARDF SKEW ADJUSTMENT
1.10 LCT INSTALLATION (B543)
1.10.1 ACCESSORY CHECK
1.10.2 LCT INSTALLATION PROCEDURE
1.11 PLATEN COVER INSTALLATION (G329)
1.12 BOOKLET FINISHER INSTALLATION (B546)
1.12.1 ACCESSORY CHECK
1.12.2 BOOKLET FINISHER INSTALLATION PROCEDURE˙
1.13 1000 SHEET FINISHER (B408)˙
1.13.1 ACCESSORY CHECK
1.13.2 1000 SHEET FINISHER INSTALLATION PROCEDURE˙
1.13.3 CHECK ALL CONNECTIONS
2. PREVENTIVE MAINTENANCE SCHEDULE
2.1 PM TABLE
3. REPLACEMENT AND ADJUSTMENT
3.1 SPECIAL TOOLS AND LUBRICANTS˙
3.1.1 SPECIAL TOOLS
3.1.2 LUBRICANTS˙
3.2 LASER UNIT
3.2.1 CAUTION DECAL LOCATIONS˙
3.2.2 LASER UNIT
3.3 PHOTOCONDUCTOR UNIT (PCU)
3.3.1 PCU˙
3.3.2 DRUM˙
3.3.3 PICK-OFF PAWLS
Pick-off pawl position adjustment
3.3.4 CHARGE ROLLER AND CLEANING ROLLER˙
3.3.5 DRUM CLEANING BLADE 2˙
3.3.6 DRUM CLEANING BLADE 1˙
3.4 FUSING UNIT
3.4.1 FUSING UNIT REMOVAL
3.4.2 FUSING UNIT SIDE FAN
3.4.3 FUSING UNIT CORNER FAN˙
3.5 PAPER FEED
3.5.1 IDLE ROLLER DUST BLADE˙
3.5.2 REGISTRATION ROLLER DUST BLADE˙
3.6 PRINTED CIRCUIT BOARDS˙
3.6.1 IOB
IOB DIP Switch Settings (SW101)˙
3.7 HARD DISK, CONTROLLER BOARD˙
4. TROUBLESHOOTING
4.1 SERVICE CALL CONDITIONS
4.1.1 SUMMARY
4.1.2 SC CODE DESCRIPTIONS
4.2 ELECTRICAL COMPONENT DEFECTS
4.2.1 SENSORS˙
4.2.2 SWITCHES
4.3 BLOWN FUSE CONDITIONS
4.4 LEDS˙
4.5 TEST POINTS˙
5. SERVICE TABLES
5.1 SERVICE PROGRAM MODE TABLES˙
5.1.1 SERVICE TABLE KEY
5.1.2 SERVICE TABLES˙
SP1-xxx: Feed
SP2-xxx: Drum
SP3-xxx: Process
SP4-xxx: Scanner˙
SP5-xxx: Mode
SP6-xxx: Peripherals
SP7-xxx: Data Log˙
5.1.3 TEST PATTERN PRINTING: SP2-902˙
Test Pattern Table (SP2-902-2: IPU Test Print)
Test Pattern Table: SP2-902-3 Printing Test Patterns˙
5.1.4 INPUT CHECK
Main Machine Input Check: SP5-803
ARDF Input Check: SP6-007˙
5.1.5 OUTPUT CHECK
Main Machine Output Check: SP5-804˙
ARDF Output Check: SP6-008)˙
5.1.6 SMC PRINT OUT LISTS: SP5-990
5.1.7 MEMORY CLEAR: SP5-801
5.2 DIP SWITCHES
5.3 USING THE DEBUG LOG
5.3.1 CAPTURING DEBUGGING INFORMATION
Switching On the Debug Log Feature˙
Setting the Timing for Debug Log Acquisition˙
Selecting a Module for Retrieval˙
5.3.2 RETRIEVING THE DEBUG LOG
Recording Errors Manually
Copying the Debug Log to the IC Card˙
Converting the Debug Log to Binary Data
Analyzing the Debug Log Binary Data˙
6. DETAILS˙
6.1 BOARD STRUCTURE
6.1.1 BLOCK DIAGRAM
6.1.2 CONTROLLER˙
6.2 IMAGE PROCESSING˙
6.2.1 OVERVIEW
6.2.2 SBU (SENSOR BOARD UNIT)
6.2.3 AUTO IMAGE DENSITY (ADS)˙
6.2.4 IPU (IMAGE PROCESSING UNIT)
Overview˙
6.2.5 IMAGE PROCESSING MODES˙
6.2.6 SUMMARY OF IMAGE PROCESSING FUNCTIONS˙
6.2.7 IMAGE PROCESSING STEPS AND RELATED SP MODES
Text Mode˙
Text/Photo Mode
Photo Mode
Pale (Low-Density Mode)
Generation Copy Mode˙
6.2.8 PRE-FILTERING
6.2.9 BACKGROUND ERASE˙
6.2.10 INDEPENDENT DOT ERASE
6.2.11 LINE WIDTH CORRECTION˙
6.2.12 FILTERING˙
Interactive SP Codes˙
Text Mode MTF Filter
Text/Photo, Photo Mode Filter
Pale, Generation Mode Filter˙
Photo Mode Smoothing for Dithering˙
Photo Mode Grayscale
Photo Mode Image Quality
6.2.13 OTHERS
Vertical Black Line Correction˙
Density Settings˙
ADS Level˙
6.2.14 PRACTICAL APPLICATION OF SP MODES˙
Solving Problems˙
Recommended Settings for MTF Filters
6.3 PHOTOCONDUCTOR UNIT (PCU)
6.3.1 OVERVIEW
6.3.2 DRUM CLEANING
6.4 DRUM CHARGE
6.4.1 CORRECTION FOR PAPER WIDTH AND THICKNESS
6.4.2 DEVELOPMENT BIAS
Mechanism
Correction for paper width and thickness (by-pass tray only)
6.5 PAPER FEED
6.5.1 PAPER REGISTRATION
6.6 IMAGE FUSING AND PAPER EXIT˙
6.6.1 CLEANING MECHANISM
6.6.2 HOT ROLLER STRIPPER CLEANING
6.6.3 FUSING TEMPERATURE CONTROL
Temperature Control
Fusing Idling Temperature˙
6.6.4 CPM DOWN FOR THICK PAPER˙
6.6.5 COOLING AND OVERHEAT PROTECTION
6.6.6 TONER SCATTER PREVENTION˙
SPECIFICATIONS
1. GENERAL SPECIFICATIONS
2. MACHINE CONFIGURATION˙
3. OPTIONAL EQUIPMENT˙
BOOKLET FINISHER (B546)
1. OVERALL MACHINE INFORMATION˙
1.1 MECHANICAL COMPONENT LAYOUT
2. DETAILED DESCRIPTIONS˙
2.1 JUNCTION GATE MECHANISM˙
2.1.1 SHIFT TRAY MODE˙
A4/LT sideways or shorter˙
Longer than A4 sideways
2.1.2 PROOF TRAY MODE
2.1.3 BOOKLET STITCH MODE˙
2.2 PRE-STACK MECHANISM˙
2.3 PAPER SHIFT MECHANISM˙
2.4 PAPER POSITIONING MECHANISM˙
2.5 STAPLER UNIT MOVEMENT MECHANISM
2.5.1 DRIVE
2.5.2 MOVEMENT˙
Front and Rear Stapling˙
Tow-position Stapling
2.6 STAPLER˙
2.7 SHIFT TRAY MECHANISM
2.8 BOOKLET UNIT GATE MECHANISM
2.9 RELAY ROLLER AND POSITIONING PLATE MECHANISM
2.10 POSITIONING ROLLER MECHANISM˙
2.11 BOOKLET UNIT JOGGER MOVEMENT MECHANISM
2.12 BOOKLET STAPLER UNIT˙
2.13 PAPER FOLDER MECHANISM˙
3. REPLACEMENT AND ADJUSTMENT
3.1 REMOVAL˙
3.1.1 UPPER DOOR
3.1.2 UPPER REAR COVER
3.1.3 LOWER REAR COVER˙
3.1.4 TOP COVER
3.1.5 UPPER INNER COVER
3.1.6 SHIFT TRAY UNIT
3.1.7 UPPER SHIFT GUIDE
3.1.8 LOWER SHIFT GUIDE˙
3.1.9 EXIT UNIT
3.1.10 BUFFER ROLLER UNIT
3.1.11 STAPLER
3.1.12 FINISHER BOARD˙
3.1.13 BOOKLET UNIT
3.1.14 FOLDER ROLLERS
3.1.15 FOLDER PLATE˙
Removal
Reinstalling
3.1.16 BOOKLET STAPLER UNIT˙
Removal
Adjustment˙
3.1.17 BOOKLET BOARD˙
3.1.18 POSITIONING PLATE UNIT
3.1.19 1ST AND 2ND BOOKLET UNIT GATES˙
3.2 ADJUSTMENT
3.2.1 SHIFT TRAY HEIGHT˙
3.2.2 JOGGER FENCE POSITION
3.2.3 STAPLING POSITION
3.2.4 BOOKLET STAPLING POSITION˙
PRINTER OPTION (B548)
1. INSTALLATION
1.1 ACCESSORY CHECK
1.2 PRINTER INSTALLATION PROCEDURE
1.2.1 CONTROLLER BOARD AND HDD REMOVAL
1.2.2 PRINTER CONTROLLER INSTALLATION˙
Paper Limit Sensor Installation
Paper Sensor Installation˙
Operation Panel Keytops˙
1.3 POSTSCRIPT 3 (G354-17)
1.4 128 MB MEMORY (G331)˙
1.5 NIB (B525)
1.6 IEEE 1394 FIREWIRE (G336)
1.7 USB 2.0 (B525)
1.8 IEEE 802.11B B515 (WIRELESS LAN)˙
1.9 BLUETOOTH (G354-04)
1.10 CHECK ALL CONNECTIONS˙
3. SERVICE TABLES
3.1 SCANNER SERVICE MODE
3.1.1 SCANNER PROGRAM MODE TABLE
4. DETAILS˙
4.1 ETHERNET BOARD
4.1.1 ETHERNET BOARD LAYOUT
4.1.2 ETHERNET BOARD OPERATION
4.2 IEEE1394 BOARD (FIREWIRE)˙
4.2.1 OVERVIEW
4.3 USB˙
4.3.1 SPECIFICATIONS˙
4.3.2 USB 1.1/2.0
4.3.3 USB CONNECTORS˙
4.3.4 PIN ASSIGNMENT˙
4.3.5 REMARKS ABOUT USB˙
Related SP Mode
4.4 IEEE 802.11B (WIRELESS LAN)˙
4.4.1 SPECIFICATIONS˙
LED Indicators
4.4.2 TRANSMISSION MODES
Ad Hoc Mode˙
Infrastructure Mode
4.4.3 SECURITY FEATURES
Using the SSID in Ad hoc mode
4.4.4 WIRELESS LAN TROUBLESHOOTING NOTES˙
Communication Status
Channel Settings
Troubleshooting Procedure
4.5 BLUETOOTH
4.5.1 SPECIFICATIONS˙
4.5.2 BLUETOOTH PROFILES˙
4.5.3 BLUETOOTH SECURITY FEATURES
SPECIFICATIONS
1. SYSTEM COMPONENTS˙
2. LED INDICATORS
3. PRINTER SPECIFICATIONS˙
4. USB SPECIFICATIONS
5. IEEE 802.11B SPECIFICATIONS˙
6. SCANNER SPECIFICATIONS˙
7. SOFTWARE ACCESSORIES
7.1 PRINTER˙
PRINTER DRIVERS˙
UTILITY SOFTWARE˙
7.2 SCANNER˙
SCANNER DRIVER
SCANNER UTILITIES
First edition, January 2003
Model A-C3
(B079/B082)
PARTS CATALOG
Ricoh Company, LTD.
LOCATION OF UNIT
1.EXTERIOR 1 (B079/B082)
2.EXTERIOR 2 (B079/B082)
3.EXTERIOR 3 (B079/B082)
4.PLATEN COVER (B079/B082)
5.OPERATION PANEL ASS'Y (B079/B082)
6.OPTICS UNIT 1 (B079/B082)
7.OPTICS UNIT 2 (B079/B082)
8.OPTICS UNIT 3 (B079/B082)
9.LASER UNIT (B079/B082)
10.BY-PASS FEED UNIT 1 (B079/B082)
11.BY-PASS FEED UNIT 2 (B079/B082)
12.PAPER TRAY UNIT (B079/B082)
13.PAPER FEED SECTION (B079/B082)
14.VERTICAL TRANSORT (B079/B082)
15.PAPER REGISTRATION (B079/B082)
16.TONER HOPPER UNIT (B079/B082)
17.DEVELOPMENT UNIT 1 (B079/B082)
Model A-C3 (B079/B082)
PARTS CATALOG
This catalog gives the numbers and names of parts on this machine.
18.DEVELOPMENT UNIT 2 (B079/B082)
19.OPC UNIT (B079/B082)
20.TRANSFER UNIT (B079/B082)
21.FUSING UNIT 1 (B079/B082)
22.FUSING UNIT 2 (B079/B082)
23.PAPER SEPARATION UNIT 1 (B079/B082)
24.PAPER SEPARATION UNIT 2 (B079/B082)
25.DUPLEX UNIT 1 (B079/B082)
26.DUPLEX UNIT 2 (B079/B082)
27.DUPLEX UNIT 3 (B079/B082)
28.DRIVE SECTION 1 (B079/B082)
29.DRIVE SECTION 2 (B079/B082)
30.DRIVE SECTION 3 (B079/B082)
31.ELECTRICAL SECTION 1 (B079/B082)
32.ELECTRICAL SECTION 2 (B079/B082)
33.FRAME SECTION 1 (B079/B082)
34.FRAME SECTION 2 (B079/B082)
35.EXPANSION BOX (B079/B082)
January ,30 ' 2003
36.IOB BOARD (B079/B082)
37.BICU BOARD (B079/B082)
38.CONTROLLER BOARD (B079/B082)
39.DECAL AND DOCUMENT (B079/B082)
40.SPECIAL TOOLS (B079/B082)
PARTS INDEX
Model A-C3 (B079/B082)
PARTS CATALOG
This catalog gives the numbers and names of parts on this machine.
LOCATIONS OF UNITS LOCATIONS OF UNITS
1. EXTERIOR 1 (B079/B082)
See Page 9
2. EXTERIOR 2 (B079/B082)
See Page 11
3. EXTERIOR 3 (B079/B082)
See Page 13
LOCATIONS OF UNITS
4. PLATEN COVER (B079/B082)
See Page 15
LOCATIONS OF UNITS
5. OPERATION PANEL ASS'Y
See Page 17
LOCATIONS OF UNITS
6. OPTICS UNIT 1 (B079/B082)
See Page 19


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