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Make/Model Information:

  • Brand:   Ricoh
  • Models included:
    • Ricoh B129
    • Ricoh B130
    • Ricoh B168
    • Ricoh B169
    • Ricoh B044
    • Ricoh B045
    • Ricoh B046

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English (EN)
  • Number of pages:   937
  • File size:  ∼ 27.20 MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMRH-1050

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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B129/B130/B168/B169/B044/B045/B046
SERVICE MANUAL
001960MIU
RICOH GROUP COMPANIES
SM i B129 Series/B044 Series
B129/B130/B168/B169/B044/B045/B046
TABLE OF CONTENTS
INSTALLATION
1. INSTALLATION
1.1 INSTALLATION REQUIREMENTS
1.1.1 ENVIRONMENT
1.1.2 MACHINE LEVEL
1.1.3 MINIMUM OPERATIONAL SPACE REQUIREMENTS
1.1.4 POWER REQUIREMENTS
1.2 COPIER
1.2.1 ACCESSORY CHECK
B129 Basic Model
B130 MFP Model
B168 Copier/Facsimile Model
B169 Copier/Printer/Scanner Model
1.2.2 INSTALLATION PROCEDURE
1.3 PAPER TRAY UNIT
1.3.1 ACCESSORY CHECK
1.3.2 INSTALLATION PROCEDURE
1.4 PAPER TRAY UNIT HEATER
1.4.1 ACCESSORY CHECK
1.4.2 INSTALLATION PROCEDURE
1.5 DOCUMENT FEEDER (B696 AND B444)
1.5.1 ACCESSORY CHECK
1.5.2 INSTALLATION PROCEDURE
1.6 PRINTER SCANNER UNIT B683
1.6.1 ACCESSORY CHECK
1.6.2 INSTALLATION PROCEDURE
1.7 POSTSCRIPT 3
1.8 IEEE 1284/IEEE 1394/BLUETOOTH INTERFACE
1.9 WIRELESS LAN
1.9.1 ACCESSORY CHECK
1.9.2 INSTALLATION PROCEDURE
1.10 BLUETOOTH
1.10.1 ACCESSORY CHECK
1.10.2 INSTALLATION PROCEDURE
1.11 DIMM (B044/B045/B046 MODELS ONLY)
1.11.1 INSTALLATION PROCEDURE
PREVENTIVE MAINTENANCE
2. PREVENTIVE MAINTENANCE
2.1 PM TABLES
B129 Series/B044 Series ii SM
2.2 HOW TO CLEAR THE PM COUNTER
REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT
3.1 PRECAUTIONS
3.1.1 GENERAL
3.1.2 LITHIUM BATTERIES
3.1.3 HALOGEN-FREE CABLE
3.1.4 PCU (PHOTOCONDUCTOR UNIT)
3.1.5 TRANSFER ROLLER
3.1.6 SCANNER UNIT
3.1.7 LASER UNIT
3.1.8 FUSING UNIT
3.1.9 PAPER FEED
3.2 SPECIAL TOOLS AND LUBRICANTS
3.3 EXTERIOR COVER AND OPERATION PANEL
3.3.1 PLATEN COVER
3.3.2 REAR COVER
3.3.3 COPY TRAY
3.3.4 SCALE PLATE
3.3.5 OPERATION PANEL AND UPPER COVERS
3.3.6 RIGHT DOOR
3.3.7 BYPASS TRAY
3.3.8 PLATEN COVER SENSOR
3.4 SCANNER UNIT
3.4.1 EXPOSURE GLASS
Non-ADF machines
ADF-equipped machines
3.4.2 LENS BLOCK
3.4.3 EXPOSURE LAMP, LAMP STABILIZER BOARD
3.4.4 SCANNER MOTOR
3.4.5 SCANNER HP SENSOR
3.4.6 SCANNER ALIGNMENT ADJUSTMENT
3.5 FUSING
3.5.1 FUSING UNIT
3.5.2 EXIT SENSOR
3.5.3 HOT ROLLER STRIPPER PAWLS
3.5.4 HOT ROLLER & FUSING LAMP
3.5.5 THERMO-SWITCH AND THERMISTOR
3.5.6 PRESSURE ROLLER
3.5.7 ADJUSTING NIP BAND
3.5.8 DUPLEX MOTOR
3.5.9 CONTACT-RELEASE SOLENOID
3.6 PCU AND QUENCHING LAMP
3.6.1 PCU
3.6.2 QUENCHING LAMP
3.7 TONER SUPPLY CLUTCH
SM iii B129 Series/B044 Series
3.8 HIGH-VOLTAGE POWER SUPPLY BOARD
3.9 EXHAUST FAN AND MAIN MOTOR
3.9.1 EXHAUST FAN
3.9.2 MAIN MOTOR
3.10 PAPER FEED
3.10.1 PAPER FEED ROLLER AND FRICTION PAD
3.10.2 PAPER END SENSOR
3.10.3 REGISTRATION SENSOR
3.10.4 BYPASS PAPER END SENSOR
3.10.5 BYPASS FEED ROLLER
3.10.6 BYPASS FEED CLUTCH AND FRICTION PAD
3.10.7 PAPER FEED AND REGISTRATION CLUTCHES
3.11 IMAGE TRANSFER
3.11.1 TRANSFER ROLLER
3.11.2 ID SENSOR AND DUPLEX ROLLER
3.11.3 DISCHARGE PLATE
3.12 CONTROLLER BOX AND BICU (B129/B130/B168/B169)
3.13 FUNCTION CONTROL UNIT (B044/B045/B046)
3.14 LASER UNIT
3.14.1 LOCATION OF CAUTION DECAL
3.14.2 PSU
3.14.3 LASER UNIT
3.14.4 LD UNIT AND POLYGON MIRROR MOTOR
3.15 ADJUSTING COPY IMAGE AREA
3.15.1 PRINTING
Adjusting Registration
Adjusting Blank Margin
Adjusting Main-Scan Magnification
3.15.2 SCANNING
Adjusting Registration
Adjusting Magnification
Standard White Density Adjustment
3.15.3 ADF IMAGE ADJUSTMENT
TROUBLESHOOTING
4. TROUBLESHOOTING
4.1 SERVICE CALL CONDITIONS
4.1.1 SUMMARY
4.1.2 SC CODE DESCRIPTIONS
B129/B130/B168/B169 UNIQUE
B044/B045/B046 UNIQUE
ALL OTHER CODES FOR: (B129/B130/B168/B044/B045/B046)
4.2 ELECTRICAL COMPONENT DEFECTS
4.2.1 SENSOR/SWITCH OPEN ERRORS (B129/B130/B168/B169)
4.2.2 SENSOR/SWITCH OPEN ERRORS (B044/B045/B046)
4.2.3 BLOWN FUSE CONDITIONS
B129 Series/B044 Series iv SM
4.3 LED DISPLAY
4.3.1 BICU (B129/B130/B168/B169)
4.4 DUMPING THE FUSER TEMPERATURE LOG
SERVICE TABLES
5. SERVICE TABLES
5.1 SERVICE PROGRAM
5.1.1 USING SP AND SSP MODES
Starting SP Mode
Starting SSP Mode(B130/B168/B169)
Selecting Programs
Specifying Values
Activating Copy Mode
Quitting Programs/Ending (S)SP Mode
5.1.2 SP MODE TABLES (B129)
SP1-XXX (Feed)
SP2-XXX (Drum)
SP4-XXX (Scanner)
SP5-XXX (Mode)
SP6-XXX (Peripherals)
SP7-XXX (Data Log)
SP8-XXX (History)
5.1.3 SP MODE TABLES (B130/B168/B169)
SP1-XXX (Feed)
SP2-XXX (Drum)
SP4-XXX (Scanner)
SP5-XXX (Mode)
SP6-XXX (Peripherals)
SP7-XXX (Data Log)
SP8-XXX (History)
5.1.4 SP MODE TABLES (B044/B045/B046)
SP1-XXX (Feed)
SP2-XXX (Drum)
SP4-XXX (Scanner)
SP5-XXX (Mode)
SP6-XXX (Peripherals)
SP7-XXX (Data Log)
5.1.5 ID SENSOR ERROR ANALYSIS (SP2-221)
5.1.6 MEMORY CLEAR B129/B130/B168/B169
Exceptions
Initializing Memory Data
Executing Memory Clear on B129
Executing Memory Clear on B130/B168/B169
Memory Clear B044/B045/B046
5.1.7 INPUT CHECK (SP5-803)
B129/B130/B168/B169 Models
Input Check Table
SM v B129 Series/B044 Series
B044/B045/B046 Models
Input Check Table
5.1.8 OUTPUT CHECK (SP5-804)
B129/B130/B168/B169 Conducting Output Check
Output Check Table
B044/B045/B046
Output Check Table
5.1.9 SERIAL NUMBER INPUT (SP5-811-001)
Specifying Characters
Serial Number and NVRAM
5.1.10 NVRAM AND SDRAM DATA UPLOAD/DOWNLOAD (SP5-824/825)
(B129 AND B044/B045/B046)
Overview
NVRAM Upload (SP5-824-001)
NVRAM Download (SP5-825-001)
SDRAM Data Upload (SP5-824) (B044/B045/B046)
SDRAM Data Download (SP5-825) (B044/B045/B046)
5.1.11 FIRMWARE UPDATE PROCEDURE FOR B129 BASIC MODEL5-95
5.1.12 FIRMWARE (PROGRAM) UPLOAD/DOWNLOAD (B044/B045/B046)
5.1.14 TEST PATTERN PRINT (SP5-902-001)
B129/B130/B168/B169 Executing Test Pattern Printing
Test Patterns
B044/B045/B046
5.1.15 SMC PRINT (SP5-990)
5.1.16 SETTING DAYLIGHT SAVINGS TIME (SP5-307)
(B129/B130/B168/B169)
5.1.17 MEMORY READ/WRITE (B044/B045/B046)
5.2 FIRMWARE UPDATE PROCEDURE FOR MFP MACHINES
5.2.1 BEFORE YOU BEGIN
5.2.2 SD CARD PREPARATION
5.2.3 FIRMWARE UPDATE PROCEDURE FOR MFP MACHINES……5-106
5.2.4 NVRAM DATA UPLOAD/DOWNLOAD (B130/B168/B169)
Uploading NVRAM Data
Downloading SD Card Data
5.3 USER TOOLS
5.3.1 USER TOOLS (B129/B130/B168/B169)
5.3.2 USER TOOLS (B044/B045/B046)
System Settings Table
Copy Features Table
DETAILED DESCRIPTIONS
6. DETAILED SECTION DESCRIPTIONS
6.1 OVERVIEW
6.1.1 COMPONENT LAYOUT (B044/B045/B046)
6.2 PAPER PATH (B044/B045/B046)
6.3 DRIVE LAYOUT (B044/B045/B046)
B129 Series/B044 Series vi SM
6.4 PAPER PATH (B129/B130/B168/B169)
6.5 DRIVE LAYOUT (B129/B130/B168/B169)
6.6 BLOCK DIAGRAM: PCBS AND COMPONENTS (B044/B045/B046)
6.7 MAIN PCBS (B044/B045/B046)
6.7.1 FCU (FUNCTION/FACSIMILE CONTROL UNIT)
6.8 BLOCK DIAGRAM: PCBS AND COMPONENTS
(B129/B130/B168/ B169)
6.8.1 SBU (SENSOR BOARD UNIT)
Buffer
Amplifier
6.8.2 NCU (NETWORK CONTROL UNIT)
North America version
Europe/Asia version
6.9 COPY PROCESS OVERVIEW
6.10 SCANNING
6.10.1 OVERVIEW
6.10.2 SCANNER DRIVE
6.11 IMAGE PROCESSING
6.11.1 OVERVIEW
6.11.2 IMAGE PROCESSING PATH (B044/B045/B046)
6.11.3 ORIGINAL MODES
Original Modes: Copying
6.11.4 IMAGE PROCESSING STEPS FOR EACH MODE
(B044/B045/B046)
6.11.5 IMAGE PROCESSING STEPS FOR EACH MODE
(B129/B130/B168/B169)
6.11.6 MODE ADJUSTMENTS
To customize
Default plotter customization settings for each mode
6.12 LASER EXPOSURE
6.12.1 OVERVIEW
6.12.2 LD SAFETY SWITCHES (B044/B045/B046)
6.13 LD SAFETY SWITCHES (B129/B130/B168/B169)
6.14 PHOTOCONDUCTOR UNIT (PCU)
6.14.1 OVERVIEW
6.14.2 DRUM DRIVE
6.15 DRUM CHARGE
6.15.1 OVERVIEW
6.15.2 CHARGE ROLLER VOLTAGE CORRECTION
Correction for Ambient Environment
6.15.3 CHARGE ROLLER CLEANING
6.15.4 DETECTION OF A NEW PCU
At time of copier installation
When a replacement PCU is installed
6.16 DEVELOPMENT
6.16.1 OVERVIEW
6.16.2 DEVELOPMENT BIAS
SM vii B129 Series/B044 Series
6.16.3 TONER SUPPLY
Toner-Bottle Models
Toner Hopper Magazine (B045 ONLY)
6.16.4 TONER DENSITY CONTROL
Overview
Reference Voltage
Toner Density Sensor Initial Setting
Toner Concentration Measurement
Vsp/Vsg Detection
Calculation of Vref
Toner Supply Determination
Toner Clutch ON Time
6.16.5 TONER SUPPLY IF SENSOR READING IS ABNORMAL
ID Sensor
TD Sensor
6.16.6 DETECTION OF TONER NEAR END AND TONER END
Toner Near End detected when either of the following occurs
Toner End detected when any of the following occurs
6.17 DRUM CLEANING AND TONER RECYCLING
6.18 PAPER FEED
6.18.1 OVERVIEW
6.18.2 PAPER FEED DRIVE MECHANISM
From Paper Tray
From 100-Sheet Bypass Tray
From 1-Sheet Bypass Tray (B045 ONLY)
6.18.3 PAPER FEED AND SEPARATION
6.18.4 PAPER LIFT MECHANISM
PAPER END DETECTION
Main Tray
100-Sheet Bypass Tray
6.18.5 PAPER REGISTRATION
6.19 DUPLEX UNIT
6.19.1 IMPORTANT COMPONENTS
6.19.2 DUPLEX PRINTING PROCESS
6.20 IMAGE TRANSFER AND PAPER SEPARATION
6.20.1 OVERVIEW
6.20.2 IMAGE TRANSFER CURRENT TIMING (B044/B045/B046)
6.21 IMAGE TRANSFER CURRENT (B129/B130/B168/B169)
6.21.1 TRANSFER ROLLER CLEANING
6.22 IMAGE FUSING AND PAPER EXIT
6.22.1 OVERVIEW (B044/B045/B046)
6.22.2 OVERVIEW (B129/B130/B168/B169)
6.22.3 FUSING DRIVE AND RELEASE MECHANISM
6.22.4 HOT ROLLER DRIVE
Mechanism
Contact/Release Control
6.22.5 PRESSURE ROLLER (B044/B045/B046)
6.22.6 PRESSURE ROLLER (B129/B130/B168/B169)
6.22.7 PRESSURE RELEASE (B044/B045/B046)
B129 Series/B044 Series viii SM
6.22.8 PRESSURE RELEASE (B129/B130/B168/B169)
6.22.9 SEPARATION (B044/B045/B046)
6.22.10 SEPARATION (B129/B130/B168/B169)
6.22.11 FUSING TEMPERATURE CONTROL (B044/B045/B046)
Overview
Fusing Temperature Control for Thick Paper
6.22.12 FUSING TEMPERATURE CONTROL (B129/B130/B168/B169).6-63
Control Process
Target Temperature
Temperature Transition
6.22.13 OVERHEAT PROTECTION (B044/B045/B046)
6.22.14 OVERHEAT PROTECTION (B129/B130/B168/B169)
6.23 ENERGY SAVER MODES (B044/B045/B046)
6.23.1 MODE TRANSITIONS
6.23.2 SYSTEM SETTINGS (B044/B045/B046)
6.23.3 LOW POWER MODE LEVELS (B044/B045/B046)
6.23.4 AUTO-OFF LEVEL (B044/B045/B046)
6.23.5 TRANSITION OPERATION (B044/B045/B046)
6.24 ENERGY SAVER MODES OF B129 BASIC MACHINE
Overview
Recovery
6.25 ENERGY SAVER MODES OF MFP MACHINES (B130/B168/B169)
Overview
Recovery
SPECIFICATIONS
SPECIFICATIONS (B129/B130/B168/B169)
1. GENERAL SPECIFICATIONS
1.1. COPIER
2. OPTIONS
2.1 FAX
2.2 PRINTER AND SCANNER
2.3 ADF
2.4 PAPER FEED UNIT
3. SUPPORTED PAPER SIZE
3.1 ORIGINAL PAPER SIZE
3.2 PAPER FEED
4. MACHINE CONFIGURATION
4.1 BASIC MODEL (B129)
4.2 COPIER/PRINTER/SCANNER MODEL (B169)
4.3 COPIER/FAX MODEL (B168)
4.4 MFP MODEL (B130)
SM ix B129 Series/B044 Series
SPECIFICATIONS (B044/B045/B046)
1. GENERAL SPECIFICATIONS
1.1 COPIER
2. MACHINE CONFIGURATION
3. OPTIONAL EQUIPMENT
3.1 ADF
3.2 PAPER TRAY UNIT
DOCUMENT FEEDER B696 (B129/B130/B168/B169)
SEE SECTION B696 FOR DETAILED TABLE OF CONTENTS
FAX UNIT (B130/B168 ONLY)
SEE SECTION FAX UNIT FOR DETAILED TABLE OF CONTENTS
INTERNET FAX (IFAX) (B130 ONLY)
SEE SECTION IFAX FOR DETAILED TABLE OF CONTENTS
PRINTER/SCANNER B683 (B129 OPTION; B130
STANDARD COMPONENT)
SEE SECTION B683 FOR DETAILED TABLE OF CONTENTS
DOCUMENT FEEDER B444 (B044/B045/B046)
SEE SECTION B444 FOR DETAILED TABLE OF CONTENTS
PAPER TRAY UNIT B421
(B129/B130/B168/B169/B044/B045/B046)
SEE SECTION B421 FOR DETAILED TABLE OF CONTENTS
FAX UNIT B465 (B044/B045/B046)
SEE SECTION B465 FOR DETAILED TABLE OF CONTENTS
PRINTER CONTROLLER B441 (B044/B045/B046)
SEE SECTION B441 FOR DETAILED TABLE OF CONTENTS
INSTALLATION
B696 DOCUMENT FEEDER (B129/B130/B168/B169)
B444 DOCUMENT FEEDER (B044/B045/B046)
FAX UNIT (B130/B168/B169)
IFAX (B130 ONLY)
PREVENTIVE MAINTENANCE
B421 PAPER TRAY UNIT (ALL MODELS)
REPLACEMENT AND ADJUSTMENT
B465 FAX UNIT (B044/B045/B046)
TROUBLESHOOTING
B683 PRINTER/SCANNER UNIT (B129/B130)
B441 PRINTER CONTROLLER (B044/B045/B046)
SERVICE TABLES
DETAILED DESCRIPTIONS
SPECIFICATIONS
POSITION 2
POSITION 1
POSITION 3
POSITION 4
POSITION 6
POSITION 5
POSITION 8
POSITION 7
B129/B130/B168/B169/B044/B045/B046
PARTS CATALOG
001959MIU
B129/B130/B168/B169/B044/B045/B046
TABLE OF CONTENTS
B129/B130/B168/B169 PARTS LOCATION AND LIST
LOCATION OF UNIT
1.EXTERIOR (B129/B130/B168/B169)˙
2.OPERATION PANEL (B129/B130/B168/B169)
3.BY-PASS FEED UNIT (B129/B130/B168/B169)
4.PAPER REGISTRATION (B129/B130/B168/B169)˙
5.TRANSPORT SECTION (B129/B130/B168/B169)˙
6.PAPER CASSETTE (B129/B130/B168/B169)˙
7.ADF 1 (B129/B130/B168)
8.ADF 2 (B129/B130/B168)
9.ADF 3 (B129/B130/B168)
10.ADF 4 (B129/B130/B168)
11.OPTICS SECTION 1 (B129/B130/B168/B169)˙
12.OPTICS SECTION 2 (B129/B130/B168/B169)˙
13.LASER UNIT (B129/B130/B168/B169)˙
14.PCU SECTION (B129/B130/B168/B169)˙
15.FUSING UNIT (B129/B130/B168/B169)
16.DRIVE SECTION (B129/B130/B168/B169)
17.ELECTRICAL SECTION (B129/B130/B168/B169)˙
18.FRAME SECTION (B129/B130/B168/B169)˙
19.FAX OP (B130/B168)
20.EXPANSION BOX (B130/B168/B169)
21.BICU BOARD (B129)
22.BICU BOARD (B130/B168/B169)
23.FCU BOARD (NA B130/B168)˙
24.FCU BOARD (EU B130/B168)˙
25.DECALS AND DOCUMENTS (B129/B130/B168/B169)˙ 82
26.SPECIAL TOOLS (B129/B130/B168/B169)˙
B129/B130/B168/B169 PARTS INDEX
PARTS INDEX
B044/B045/B046 PARTS LOCATION AND LIST
LOCATION OF UNIT
1.EXTERIOR (B044/B045/B046)
2.OPERATION PANEL (B044/B045/B046)˙
3.BY-PASS FEED UNIT (B044/B045/B046)
4.PAPER REGISTRATION (B044/B045/B046)
5.TRANSPORT SECTION (B044/B045/B046)
6.PAPER CASSETTE (B044/B045/B046)
7.ADF 1 (B046/B444)
8.ADF 2 (B046/B444)
9.ADF 3 (B046/B444)
10.ADF 4 (B046/B444)
11.OPTICS SECTION 1 (B044/B045/B046)
12.OPTICS SECTION 2 (B044/B045/B046)
13.LASER UNIT (B044/B045/B046)
14.PCU SECTION (B044/B045/B046)
15.FUSING UNIT (B044/B045/B046)˙
16.DRIVE SECTION (B044/B045/B046)˙
17.ELECTRICAL SECTION
(B044/B045/B046)
18.FRAME SECTION (B044/B045/B046)
19.FAX UNIT (B046/B465)˙
20.FCU BOARD (B044/B045)˙
21.FCU BOARD (B046/B465)˙
22.NCU BOARD (B046/ B465)
23.DECALS AND DOCUMENTS
(B044/B045/B046)
24.SPECIAL TOOLS (B044/B045/B046)
B044/B045/B046 PARTS INDEX
PARTS INDEX˙
PAPER TRAY UNIT B421 PARTS LOCATION AND LIST
1.PAPER TRAY UNIT 1 (B421)˙
2.PAPER TRAY UNIT 2 (B421)˙
3.PAPER TRAY UNIT 3 (B421)˙
PAPER TRAY UNIT B421 PARTS INDEX
PARTS INDEX˙
PRINTER CONTROLLER B441 PARTS LOCATION AND
1.PRINTER CONTROLLER (B441)
2.PRINTER CONTROL BOARD (B441)˙
PRINTER CONTROLLER B441 PARTS INDEX
PARTS INDEX˙
B129/B130/B168/B169 ˙2 ˙Parts Location and List
LOCATIONS OF UNITS LOCATIONS OF UNITS
See Page 7
See Page 9
See Page 11
LOCATIONS OF UNITS
See Page 13
LOCATIONS OF UNITS
See Page 15
LOCATIONS OF UNITS
See Page 17
1. EXTERIOR (B129/B130/B168/B169) ˙ 2. OPERATION PANEL
(B129/B130/B168/B169)
3. BY-PASS FEED UNIT
(B129/B130/B168/B169)
4. PAPER REGISTRATION
(B129/B130/B168/B169)
5. TRANSPORT SECTION
(B129/B130/B168/B169)
6. PAPER CASSETTE
(B129/B130/B168/B169)


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