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Ricoh Aficio MP3500g, MP4500g, MP3500, MP4500 (product code B291 B295 B296 B297) Service Manual
This manual, Ricoh Aficio MP3500g, MP4500g, MP3500, MP4500, is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Ricoh Aficio MP3500g, MP4500g, MP3500, MP4500 copier.
You can print, zoom or read any diagram, picture or page from this Service 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 Aficio MP3500g, MP4500g, MP3500, MP4500 photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:
INSTALLATION PROCEDURE
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 (B377)
1.8.1 ACCESSORY CHECK
1.8.2 PUNCH UNIT INSTALLATION PROCEDURE
1.9 ARDF INSTALLATION (B714)
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
1.14 KEY COUNTER INSTALLATION
1.15 ANTI-CONDENSATION HEATER
1.16 TRAY HEATER
1.17 TRAY HEATER (OPTIONAL PAPER TRAY UNIT)
1.18 DATA OVERWRITE SECURITY UNIT (B735)
Before You Begin
Seal Check and Removal
1.18.2 INSTALLATION
1.19 COPY DATA SECURITY UNIT (B770)
1.19.1 ACCESSORIES
1.19.2 INSTALLATION
1.20 SCANNER ACCESSIBILITY OPTION (B815)
1.20.1 ACCESSORIES
1.20.2 INSTALLATION
Pre-installation
On-Site Installation
PREVENTIVE MAINTENANCE SCHEDULE
2. PREVENTIVE MAINTENANCE SCHEDULE
2.1 PM TABLE
REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT
3.1 GENERAL CAUTIONS
3.1.1 LASER UNIT
3.1.2 USED TONER
3.2 SPECIAL TOOLS AND LUBRICANTS
3.2.1 SPECIAL TOOLS
3.2.2 LUBRICANTS
3.3 FRONT DOOR
3.4 DUPLEX UNIT
3.5 RIGHT UPPER COVER
3.6 BY-PASS TRAY UNIT
3.7 REAR COVERS
3.7.1 REAR UPPER COVER
3.7.2 REAR LOWER COVER
3.8 LEFT COVER
3.9 SCANNER UNIT
3.9.1 ARDF
3.9.2 EXPOSURE GLASS
3.9.3 SCANNER EXTERIOR PANELS, OPERATION PANEL
3.9.4 LENS BLOCK, SBU ASSEMBLY
3.9.5 ORIGINAL SIZE SENSORS
3.9.6 EXPOSURE LAMP
3.9.7 SCANNER HP SENSOR/PLATEN COVER SENSOR
3.9.8 SCANNER MOTOR
3.9.9 LAMP STABILIZER AND SCANNER MOTOR DRIVE BOARD
3.9.10 SCANNER WIRE
3.10 LASER UNIT
3.10.1 CAUTION DECAL LOCATIONS
3.10.2 LASER UNIT
3.10.3 POLYGON MIRROR MOTOR
3.10.4 LASER SYNCHRONIZATION DETECTOR
3.10.5 LD UNIT
Laser beam pitch adjustment
3.11 PHOTOCONDUCTOR UNIT (PCU)
3.11.1 PCU
3.11.2 DRUM
3.11.3 PICK-OFF PAWLS
Pick-off pawl position adjustment
3.11.4 CHARGE ROLLER AND CLEANING ROLLER
3.11.5 DRUM CLEANING BLADE 2
3.11.6 DRUM CLEANING BLADE 1
3.11.7 ID SENSOR
3.12 DEVELOPMENT
3.12.1 DEVELOPMENT UNIT
3.12.2 DEVELOPMENT FILTER
3.12.3 DEVELOPMENT ROLLER
3.12.4 DEVELOPER
3.12.5 TD SENSOR
3.13 TRANSFER UNIT
3.13.1 TRANSFER BELT UNIT
3.13.2 TRANSFER BELT
3.13.3 TRANSFER BELT CLEANING BLADE
AND TONER OVERFLOW SENSOR
3.14 PAPER FEED
3.14.1 PICK-UP, SEPARATION, AND FEED ROLLERS
3.14.2 LOWER RIGHT COVER
3.14.3 RELAY/UPPER PAPER FEED
AND LOWER PAPER FEED CLUTCHES
3.14.4 UPPER PAPER FEED UNIT FOR TRAY 1
3.14.5 LOWER PAPER FEED UNIT FOR TRAY 2
3.14.6 PAPER END/PAPER HEIGHT/RELAY SENSORS
3.14.7 REGISTRATION SENSOR
3.14.8 TRAY LIFT MOTOR
3.14.9 FEED/DEVELOPMENT MOTOR
3.14.10 IDLE ROLLER DUST BLADE
3.14.11 REGISTRATION ROLLER DUST BLADE
3.15 FUSING UNIT
3.15.1 FUSING UNIT REMOVAL
3.15.2 FUSING UNIT EXIT GUIDE
3.15.3 HOT ROLLER STRIPPERS
3.15.4 FUSING LAMPS
3.15.5 THERMISTORS AND THERMOSTATS
3.15.6 HOT ROLLER/PRESSURE ROLLER
3.16 BY-PASS TRAY
3.16.1 COVER REPLACEMENT
3.16.2 BY-PASS PAPER FEED AND PICK-UP ROLLER REPLACEMENT
3.16.3 BY-PASS SEPARATION ROLLER
3.16.4 PAPER END SENSOR, PICK-UP SOLENOID
3.16.5 PAPER SIZE SENSOR BOARD REPLACEMENT
3.16.6 BY-PASS TABLE REMOVAL
3.16.7 PAPER FEED CLUTCH REPLACEMENT
3.17 DUPLEX UNIT
3.17.1 DUPLEX COVER REMOVAL
3.17.2 DUPLEX ENTRANCE SENSOR REPLACEMENT
3.17.3 DUPLEX EXIT SENSOR REPLACEMENT
3.18 DRIVE AREA
3.18.1 REGISTRATION CLUTCH,
TRANSFER BELT CONTACT CLUTCH
3.18.2 MAIN MOTOR
3.18.3 FUSING/EXIT MOTOR
3.18.4 TONER SUPPLY MOTOR
3.19 PRINTED CIRCUIT BOARDS
3.19.1 NVRAM
3.19.2 HIGH VOLTAGE POWER SUPPLY
3.19.3 IOB
IOB DIP Switch Settings (SW101)
3.19.4 BICU BOARD
3.19.5 PSU
3.20 HDD, CONTROLLER BOARD
3.21 COPY ADJUSTMENTS: PRINTING/SCANNING
3.21.1 PRINTING
Registration - Leading Edge/Side-to-Side
Blank Margin
Main Scan Magnification
Parallelogram Image Adjustment
3.21.2 SCANNING
Registration: Platen Mode
Magnification
3.21.3 ADF IMAGE ADJUSTMENT
Registration
3.21.4 TOUCH SCREEN CALIBRATION
TROUBLESHOOTING
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
SERVICE TABLES
5. SERVICE TABLES
5.1 SERVICE PROGRAM MODE OPERATION
Service Mode Lock/Unlock
5.2 SERVICE PROGRAM MODE TABLES
5.2.1 SERVICE TABLE KEY
5.2.2 SERVICE MODE LOCK/UNLOCK
5.2.3 SERVICE TABLES
SP1-xxx: Feed
SP2-xxx: Drum
SP3-xxx: Process
SP4-xxx: Scanner
SP5-xxx: Mode
SP6-xxx: Peripherals
SP7-xxx: Data Log
SP8-xxx: Data Log2
5.2.4 TEST PATTERN PRINTING: SP2-902
Test Pattern Table (SP2-902-2: IPU Test Print)
Test Pattern Table: SP2-902-3 Printing Test Patterns
5.2.5 INPUT CHECK
Main Machine Input Check: SP5-803
ARDF Input Check: SP6-007
5.2.6 OUTPUT CHECK
Main Machine Output Check: SP5-804
ARDF Output Check: SP6-008)
5.2.7 SMC PRINT OUT LISTS: SP5-990
5.2.8 NIP BAND WIDTH ADJUSTMENT: SP1-109
5.2.9 MEMORY CLEAR: SP5-801
5.2.10 SOFTWARE RESET
5.2.11 SYSTEM SETTINGS AND COPY SETTING RESET
System Setting Reset
Copier Setting Reset
5.3 UPDATING THE FIRMWARE
5.4 UPLOADING/DOWNLOADING NVRAM DATA
5.4.1 UPLOADING NVRAM DATA (SP5-824)
5.4.2 DOWNLOADING NVRAM DATA (SP5-825)
5.5 SELF-DIAGNOSTIC MODE
5.5.1 SELF-DIAGNOSTIC MODE AT POWER ON
5.5.2 DETAILED SELF-DIAGNOSTIC MODE
Executing Detailed Self-Diagnosis
5.6 USER PROGRAM MODE
5.6.1 HOW TO USE UP MODE
UP Mode Initial Screen: User Tools/Counter Display
System Settings
Copier/Document Server Features
Printer, Facsimile, Scanner Settings
Counter
5.7 DIP SWITCHES
5.8 USING THE DEBUG LOG
5.8.1 SWITCHING ON AND SETTING UP SAVE DEBUG LOG
5.8.2 RETRIEVING THE DEBUG LOG FROM THE HDD
5.8.3 RECORDING ERRORS MANUALLY
5.8.4 NEW DEBUG LOG CODES
SP5857-015 Copy SD Card-to-SD Card: Any Desired Key
SP5857-016 Create a File on HDD to Store a Log
SP5857-017 Create a File on SD Card to Store a Log
DETAILED SECTION DESCRIPTIONS
6. DETAILED SECTION DESCRIPTIONS
6.1 OVERVIEW
6.1.1 COMPONENT LAYOUT
6.1.2 PAPER PATH
6.1.3 DRIVE LAYOUT
6.2 BOARD STRUCTURE
6.2.1 BLOCK DIAGRAM
6.2.2 CONTROLLER
6.3 COPY PROCESS OVERVIEW
Exposure
Drum charge
Laser exposure
Development
Image transfer
Separation
ID sensor
Cleaning
Quenching
Cleaning
6.4 SCANNING
6.4.1 OVERVIEW
6.4.2 SCANNER DRIVE
SM vii B291/B295/B296/B297
Book Mode
ADF mode
6.4.3 ORIGINAL SIZE DETECTION IN PLATEN MODE
6.5 IMAGE PROCESSING
6.5.1 OVERVIEW
6.5.2 SBU (SENSOR BOARD UNIT)
6.5.3 AUTO IMAGE DENSITY (ADS)
6.5.4 IPU (IMAGE PROCESSING UNIT)
Overview
6.5.5 IMAGE PROCESSING MODES
6.5.6 SUMMARY OF IMAGE PROCESSING FUNCTIONS
6.5.7 IMAGE PROCESSING STEPS AND RELATED SP MODES
Text Mode
Text/Photo Mode
Photo Mode
Pale (Low-Density Mode)
Generation Copy Mode
6.5.8 PRE-FILTERING
6.5.9 BACKGROUND ERASE
6.5.10 INDEPENDENT DOT ERASE
6.5.11 LINE WIDTH CORRECTION
6.5.12 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
6.5.13 OTHERS
Vertical Black Line Correction
Density Settings
ADS Level
6.5.14 PRACTICAL APPLICATION OF SP MODES
Solving Problems
Recommended Settings for MTF Filters
6.6 LASER EXPOSURE
6.6.1 OVERVIEW
6.6.2 AUTO POWER CONTROL (APC)
6.6.3 DUAL BEAM WRITING
6.6.4 LASER BEAM PITCH CHANGE MECHANISM
6.6.5 LD SAFETY SWITCHES
6.7 PHOTOCONDUCTOR UNIT (PCU)
6.7.1 OVERVIEW
6.7.2 DRUM CLEANING
6.7.3 DRIVE MECHANISM
6.7.4 DRUM PAWLS
6.7.5 DRUM TONER SEALS
6.8 DRUM CHARGE
6.8.1 OVERVIEW
6.8.2 CHARGE ROLLER VOLTAGE CORRECTION
Correction for Environmental Conditions
6.8.3 CORRECTION FOR PAPER WIDTH AND THICKNESS
6.8.4 ID SENSOR PATTERN PRODUCTION TIMING
6.8.5 DRUM CHARGE ROLLER CLEANING
6.9 DEVELOPMENT
6.9.1 OVERVIEW
6.9.2 DRIVE MECHANISM
6.9.3 DEVELOPER MIXING
6.9.4 DEVELOPMENT BIAS
Mechanism
Correction for paper width and thickness (by-pass tray only)
6.9.5 TONER SUPPLY
Toner bottle replenishment mechanism
Toner supply mechanism
Toner Scatter Prevention
Sensor Control Mode
Image Pixel Count Mode
6.9.6 TONER NEAR END/END DETECTION
Toner Near End
Toner End
6.9.7 TONER END RECOVERY
6.9.8 TONER SUPPLY WITH ABNORMAL SENSORS
6.10 DRUM CLEANING AND TONER RECYCLING
6.10.1 DRUM CLEANING
6.10.2 TONER RECYCLING
6.11 PAPER FEED
6.11.1 OVERVIEW
6.11.2 PAPER FEED DRIVE
6.11.3 PICK-UP AND SEPARATION ROLLER
RELEASE MECHANISM
6.11.4 PAPER LIFT
6.11.5 PAPER END DETECTION
6.11.6 PAPER REGISTRATION
6.11.7 PAPER SIZE DETECTION
6.12 BY-PASS TRAY
6.12.1 OVERVIEW
6.12.2 BY-PASS TRAY OPERATION
6.12.3 BY-PASS PAPER SIZE DETECTION
6.13 DUPLEX UNIT
6.13.1 OVERVIEW
6.13.2 DUPLEX DRIVE LAYOUT
6.13.3 DUPLEX BASIC OPERATION
Longer than A4 lengthwise/LT lengthwise
Up to A4 lengthwise/LT lengthwise
6.13.4 DUPLEX UNIT FEED IN AND EXIT MECHANISM
Feed-in
Inversion and Exit
6.14 IMAGE TRANSFER AND PAPER SEPARATION
6.14.1 OVERVIEW
6.14.2 BELT DRIVE MECHANISM
6.14.3 TRANSFER BELT UNIT CONTACT MECHANISM
6.14.4 IMAGE TRANSFER
AND PAPER SEPARATION MECHANISM
6.14.5 TRANSFER BELT CHARGE
Mechanism
Correction for paper width and thickness
Currents applied to leading edge, image areas - by-pass feed
6.14.6 TRANSFER BELT CLEANING MECHANISM
6.15 IMAGE FUSING AND PAPER EXIT
6.15.1 OVERVIEW
6.15.2 FUSING DRIVE
6.15.3 FUSING DRIVE RELEASE MECHANISM
6.15.4 FUSING ENTRANCE GUIDE SHIFT MECHANISM
6.15.6 PRESSURE ROLLER
6.15.7 CLEANING MECHANISM
6.15.8 HOT ROLLER STRIPPER CLEANING
Small Jobs
Medium Jobs
Large Jobs
SP Settings for Post-Job Cleaning
6.15.9 FUSING TEMPERATURE CONTROL
Temperature Control
Fusing Idling Temperature
6.15.10 CPM DOWN FOR THICK PAPER
6.15.11 OVERHEAT PROTECTION
6.16 ENERGY SAVER MODES
6.16.1 OVERVIEW
6.16.2 ENERGY SAVER MODE
Entering the energy saver mode
What happens in energy saver mode
Return to stand-by mode
6.16.3 AUTO OFF MODE
Entering off stand-by and off modes
Off Stand-by mode
Off Mode
Returning to stand-by mode
SPECIFICATIONS
7. SPECIFICATIONS
7.1 GENERAL SPECIFICATIONS
7.2 MACHINE CONFIGURATION
7.3 OPTIONAL EQUIPMENT
PUNCH UNIT B377
SEE SECTION B377 FOR DETAILED TABLE OF CONTENTS
1000-SHEET FINISHER B408
SEE SECTION B408 FOR DETAILED TABLE OF CONTENTS
BRIDGE UNIT B538
SEE SECTION B538 FOR DETAILED TABLE OF CONTENTS
PAPER TRAY UNIT B542
SEE SECTION B542 FOR DETAILED TABLE OF CONTENTS
LARGE CAPACITY TRAY B543
SEE SECTION B543 FOR DETAILED TABLE OF CONTENTS
1-BIN TRAY B544
SEE SECTION B544 FOR DETAILED TABLE OF CONTENTS
TWO-TRAY FINISHER B545
SEE SECTION B545 FOR DETAILED TABLE OF CONTENTS
BOOKLET FINISHER B546
SEE SECTION B546 FOR DETAILED TABLE OF CONTENTS
AUTO REVERSE DOCUMENT FEEDER B714
SEE SECTION B714 FOR DETAILED TABLE OF CONTENTS
FAX OPTION B779
SEE SECTION B779 FOR DETAILED TABLE OF CONTENTS
PRINTER/SCANNER OPTION D315
SEE SECTION D315 FOR DETAILED TABLE OF CONTENTS
Numbers of pages: 908.
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