Ricoh Aficio MP161 MP161F MP161SPF Service Manual (product code B262 B284 B288 B292)


Accurate, clear and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Present service manual Ricoh Aficio MP161 MP161F MP161SPF (product code B262 B284 B288 B292) contain clear instructions and procedures on how to fix the problems occurring in your equipment.
The information contained in this repair manual is necessary for the repair, but also prevention, resulting in a longer life of your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
To see what contain, please read table of contents:

INSTALLATION
1. INSTALLATION
1.1 INSTALLATION CAUTIONS
1.2 INSTALLATION REQUIREMENTS
1.2.1 ENVIRONMENT
1.2.2 MACHINE LEVEL
1.2.3 MINIMUM OPERATIONAL SPACE REQUIREMENTS
1.2.4 POWER REQUIREMENTS
1.3 COPIER
1.3.1 ACCESSORY CHECK
Fax Model (B284)/ Printer/Scanner and Fax Model (B288)
Basic Model: B262/B292
1.3.2 INSTALLATION PROCEDURE
Interface settings
Copier settings
Fax Settings
1.3.3 OPTIONAL HAND SET
Accessory Check
Installation Procedure
1.4 PAPER TRAY UNIT
1.4.1 ACCESSORY CHECK
1.4.2 INSTALLATION PROCEDURE
1.5 PAPER TRAY UNIT HEATER
1.5.1 ACCESSORY CHECK
1.5.2 INSTALLATION PROCEDURE
1.6 CONTROLLER OPTIONS
1.6.1 OVERVIEW
1.6.2 POSTSCRIPT3 INSTALLATION
Installation Procedure
1.6.3 WIRELESS LAN (IEEE 802.11B) INSTALLATION
Component Check
Installation Procedure
SP Mode Settings for IEEE 802.11b Wireless LAN
1.6.4 IEEE 1284 INSTALLATION
Component Check
Installation Procedure
1.6.5 BLUETOOTH INSTALLATION
Component Check
Installation Procedure
1.7 ARDF (B872)
1.7.1 ACCESSORY CHECK
1.7.2 INSTALLATION PROCEDURE
1.8 DDST UNIT (B880/893)
1.8.1 ACCESSORY CHECK
1.8.2 INSTALLATION PROCEDURE

PREVENTIVE MAINTENANCE
2. PREVENTIVE MAINTENANCE
2.1 PM TABLES
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
3.2 SPECIAL TOOLS AND LUBRICANTS
3.3 EXTERIOR COVERS AND OPERATION PANEL
3.3.1 REAR COVER
3.3.2 COPY TRAY
3.3.3 OPERATION PANEL AND UPPER COVERS
3.3.4 RIGHT DOOR
3.3.5 BYPASS TRAY
3.3.6 PLATEN COVER SENSOR
3.4 SCANNER UNIT
3.4.1 EXPOSURE GLASS
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 AND FUSING LAMP
3.5.5 THERMOSWITCHES AND THERMISTOR
3.5.6 PRESSURE ROLLER
3.5.7 CHECKING THE NIP BAND
3.6 PCU AND QUENCHING LAMP
3.6.1 PCU
3.6.2 QUENCHING LAMP
3.7 EXHAUST FAN AND MAIN MOTOR
3.7.1 EXHAUST FAN
3.7.2 MAIN MOTOR
3.8 PAPER FEED
3.8.1 PAPER FEED ROLLER AND FRICTION PAD
3.8.2 PAPER END SENSOR
3.8.3 REGISTRATION SENSOR
3.8.4 BYPASS PAPER END SENSOR
3.8.5 BYPASS FEED ROLLER
3.8.6 BYPASS FEED CLUTCH AND FRICTION PAD
3.8.7 PAPER FEED AND REGISTRATION CLUTCHES
3.9 IMAGE TRANSFER
3.9.1 TRANSFER ROLLER
3.9.2 ID SENSOR AND DUPLEX ROLLER
3.9.3 DISCHARGE PLATE
3.10 BICU AND CONTROLLER BOARD B284/B288
3.10.1 BICU
3.10.2 CONTROLLER BOARD
When replacing the NVRAM on the controller board
3.11 OTHER REPLACEMENTS
3.11.1 DUPLEX MOTOR
3.11.2 HIGHVOLTAGE POWER SUPPLY BOARD
3.11.3 PSU ASSEMBLY
3.11.4 PSU
3.11.5 CONTACT-RELEASE SOLENOID
3.11.6 TONER SUPPLY CLUTCH
3.11.7 FCU (B284/B288)
Lithium Batteries
Procedure
3.12 LASER UNIT
3.12.1 LOCATION OF THE CAUTION DECAL
3.12.2 LASER UNIT
3.12.3 LD UNIT AND POLYGON MIRROR MOTOR
3.13 ARDF
3.13.1 ARDF
3.13.2 DF REAR COVER
3.13.3 ORIGINAL FEED UNIT
3.13.4 SEPARATION ROLLER
3.13.5 DF DRIVE BOARD
3.13.6 ORIGINAL SET AND DF INVERTER SENSOR
3.13.7 DF REGISTRATION AND DF EXIT SENSOR
DF Registration Sensor Reflector
3.13.8 DF FEED MOTOR
3.13.9 DF TRANSPORT MOTOR
3.13.10 DF FEED CLUTCH
3.14 ADJUSTING COPY IMAGE AREA
3.14.1 PRINTING
Adjusting Registration
Adjusting Blank Margin
Adjusting Main-Scan Magnification
3.14.2 SCANNING
Adjusting Registration
Adjusting Magnification
Scan Auto Adjustment
3.14.3 DF IMAGE ADJUSTMENT
TROUBLESHOOTING
4. TROUBLESHOOTING
4.1 SERVICE CALL CONDITIONS
4.1.1 SUMMARY
4.1.2 ENGINE SC CODE DESCRIPTIONS
4.2 ELECTRICAL COMPONENT TROUBLESHOOTING
4.2.1 SENSOR/SWITCH OPEN ERRORS
4.2.2 BLOWN FUSE CONDITIONS
4.2.3 BICU LED DISPLAY

SERVICE TABLES
5. SERVICE TABLES
5.1 SERVICE PROGRAM
5.1.1 USING SP AND SSP MODES
Starting SP Mode
Selecting Programs
Specifying Values
Activating Copy Mode
Quitting Programs/Ending (S) SP Mode
5.1.2 COPIER SERVICE PROGRAM MODE TABLES
Conventions used in the tables:
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 ID SENSOR ERROR ANALYSIS (SP2-221)
5.1.4 MEMORY CLEAR
GW Machine (B284/B288)
Exceptions
Memory Clear Procedure
5.1.5 MEMORY CLEAR
Basic Model (B262/B292)
Exceptions
Initializing Memory Data
Executing Memory Clear
5.1.6 INPUT CHECK (SP5-803)
Conducting Input Check
Input Check Table
5.1.7 OUTPUT CHECK (SP5-804)
Conducting Output Check
Output Check Table
5.1.8 MACHINE SERIAL NUMBER SETTING (SP5-811-001)
Specifying Characters
GW Machine (B284/B288)
Serial Number and NVRAM
5.1.9 NVRAM DATA UPLOAD/DOWNLOAD (B284/B288)
Uploading Content of NVRAM to an SD card
Downloading an SD Card to NVRAM
5.1.10 NVRAM DATA UPLOAD/DOWNLOAD (B262/B292)
Overview
NVRAM Upload (SP5-824-001)
NVRAM Download (SP5-825-001)
5.1.11 FIRMWARE UPDATE PROCEDURE
Before You Begin
Firmware Update Procedure
5.1.12 TEST PATTERN PRINT (SP5-902-001)
Executing Test Pattern Printing
Test Patterns
5.1.13 SMC PRINT (SP5-990)
5.1.14 POWER-ON SELF TEST
5.1.15 PRINTER SERVICE MODE
Service Mode Table
SP Modes Related to Printer Controller
5.1.16 SCANNER PROGRAM MODE TABLE
Service Table Key

DETAILED SECTION DESCRIPTIONS
6. DETAILED SECTION DESCRIPTIONS
6.1 OVERVIEW
6.1.1 COMPONENT LAYOUT
Mainframe (All Models)
ARDF
6.1.2 ELECTRICAL COMPONENTS
Electrical Components 1
Electrical Components 2
ARDF Electrical Components
6.2 PAPER PATH
6.3 DRIVE LAYOUT
6.3.1 MAINFRAME (ALL MODELS)
6.3.2 ARDF
6.4 BLOCK DIAGRAM: PCBS AND COMPONENTS
B262/B284/B288/B292 vi SM
6.5 MAIN PCBS
6.5.1 SBU (SENSOR BOARD UNIT)
Buffer
CCD
Amplifier
6.6 COPY PROCESS
6.6.1 OVERVIEW
6.7 SCANNING
6.7.1 OVERVIEW
6.7.2 SCANNER DRIVE
6.8 IMAGE PROCESSING
6.8.1 OVERVIEW
In the SBU
In the BICU
6.8.2 IMAGE PROCESSING PATH
6.8.3 ORIGINAL MODES
Selection of Original Modes, for Copying
Selection of Original Modes, for Fax
Original Modes: Copying
Original Modes: Fax
6.8.4 IMAGE PROCESSING STEPS FOR EACH MODE
6.8.5 MODE ADJUSTMENTS
To customize
6.9 LASER EXPOSURE
6.9.1 OVERVIEW
6.9.2 LD SAFETY SWITCHES
6.10 PHOTOCONDUCTOR UNIT (PCU)
6.10.1 OVERVIEW
6.10.2 DRUM DRIVE
6.11 DRUM CHARGE
6.11.1 OVERVIEW
6.11.2 CHARGE ROLLER VOLTAGE CORRECTION
Correction for Ambient Environment
6.11.3 CHARGE ROLLER CLEANING
6.11.4 DETECTION OF NEW PCU
At time of copier installation
When a replacement PCU is installed
6.12 DEVELOPMENT
6.12.1 OVERVIEW
6.12.2 DEVELOPMENT BIAS
6.12.3 TONER SUPPLY
6.12.4 TONER DENSITY CONTROL
Overview
6.12.5 TONER SUPPLY IF SENSOR READING IS ABNORMAL
ID Sensor
TD Sensor
6.12.6 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
6.13 DRUM CLEANING AND TONER RECYCLING
6.14 ARDF OPERATION
6.14.1 PICK-UP AND SEPARATION
6.14.2 CLUTCH OPERATION
6.14.3 ORIGINAL TRANSPORT AND EXIT
Single-Sided Originals
Double-Sided Originals
Original Set Sensor
6.15 PAPER FEED
6.15.1 OVERVIEW
6.15.2 PAPER FEED DRIVE MECHANISM
From Paper Tray
From 100-Sheet Bypass Tray
From 1-Sheet Bypass Tray
6.15.3 PAPER FEED AND SEPARATION
6.15.4 PAPER LIFT MECHANISM
6.15.5 PAPER END DETECTION
Main Tray
100-Sheet Bypass Tray
Paper Registration
6.16 IMAGE TRANSFER AND PAPER SEPARATION
6.16.1 OVERVIEW
6.16.2 IMAGE TRANSFER CURRENT TIMING
6.16.3 TRANSFER ROLLER CLEANING
6.17 IMAGE FUSING AND PAPER EXIT
6.17.1 OVERVIEW
6.17.2 HOT ROLLER DRIVE
Mechanism
Contact/Release Control
6.17.3 PRESSURE ROLLER
6.17.4 PRESSURE RELEASE
6.17.5 SEPARATION
6.17.6 FUSING TEMPERATURE CONTROL
Control Process
Target Temperature
Temperature Transition
Overheat Protection
6.18 DUPLEX UNIT
6.18.1 IMPORTANT COMPONENTS
6.18.2 DUPLEX PRINTING PROCESS
6.19 ENERGY SAVER MODES
6.19.1 OVERVIEW
6.19.2 AOF
6.19.3 TIMERS
6.19.4 RECOVERY
6.20 GW CONTROLLER (B284/B288)
6.20.1 OVERVIEW
6.20.2 CONTROLLER FUNCTIONS
Paper Source Selection
Auto Continue
Duplex Printing
6.20.3 SCANNER FUNCTIONS
Image processing for scanner mode
6.20.4 NETWORK INTERFACE
LED Indicators
6.20.5 USB
Specifications
USB 1.1/2.0
USB connectors
Pin Assignment
Remarks about USB

SPECIFICATIONS
7. SPECIFICATIONS
7.1 GENERAL SPECIFICATIONS
7.1.1 COPIER
7.1.2 PRINTER
7.1.3 SCANNER
7.1.4 ARDF
7.1.5 PAPER TRAY UNIT
7.2 SUPPORTED PAPER SIZES
7.2.1 ORIGINAL PAPER SIZES
7.2.2 PAPER FEED
7.3 MACHINE CONFIGURATION
7.3.1 MAINFRAME (B284/B288)
7.3.2 BASIC MODEL (B262/B292)
7.3.3 SYSTEM COMPONENTS

FAX OPTION FOR B284/B288
SEE SECTION FAX OPTION FOR B284/B288 FOR DETAILED TABLE OF CONTENTS
PAPER TRAY UNIT (B421)

SEE SECTION B421 FOR DETAILED TABLE OF CONTENTS
ARDF (B872)

SEE SECTION B872 FOR DETAILED TABLE OF CONTENTS
PRINTER/SCANNER OPTION (B892)

SEE SECTION B867 FOR DETAILED TABLE OF CONTENTS

Number of pages: 705.