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Ricoh Aficio 2015, Aficio 2018, Aficio 2018d, Ricoh 2016, Ricoh 2020, Ricoh 2020D (product code B121, 122, 123, 259, 260, 261) Service Manual

PRODUCT CODE: B121, 122, 123, 259, 260, 261

Service Manual Ricoh Aficio 2015, Aficio 2018, Aficio 2018d, Ricoh 2016, Ricoh 2020, Ricoh 2020D;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Ricoh Aficio 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 2015, Aficio 2018, Aficio 2018d, Ricoh 2016, Ricoh 2020, Ricoh 2020D photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

1. INSTALLATION
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 COPIER INSTALLATION
1.2.1 POWER SOCKETS FOR PERIPHERALS
1.2.2 ACCESSORY CHECK
1.2.3 INSTALLATION PROCEDURE
1.3 PLATEN COVER INSTALLATION
1.3.1 ACCESSORY CHECK
1.3.2 INSTALLATION PROCEDURE
1.4 ARDF INSTALLATION
1.4.1 ACCESSORY CHECK
1.4.2 INSTALLATION PROCEDURE
1.5 ADF INSTALLATION
1.5.1 ACCESSORY CHECK
1.5.2 INSTALLATION PROCEDURE
1.6 TWO-TRAY PAPER TRAY UNIT INSTALLATION
1.6.1 ACCESSORY CHECK
1.6.2 INSTALLATION PROCEDURE
1.7 ONE-TRAY PAPER TRAY UNIT INSTALLATION
1.7.1 ACCESSORY CHECK
1.7.2 INSTALLATION PROCEDURE
1.8 ONE-BIN TRAY INSTALLATION
1.8.1 ACCESSORY CHECK
1.8.2 INSTALLATION PROCEDURE
1.9 ANTI-CONDENSATION HEATER INSTALLATION
1.10 TRAY HEATERS
1.10.1 UPPER TRAY HEATER
1.10.2 LOWER TRAY HEATER (TWO-TRAY MODEL ONLY)
1.10.3 TRAY HEATERS FOR THE OPTIONAL PAPER FEED UNITS
1.11 KEY COUNTER INSTALLATION
1.12 MFP EXPANSION
1.12.1 ACCESSORY CHECK
1.12.2 INSTALLING EXPANSION COMPONENT
Step 1-Controller Box
Step 2-Printer/Scanner
Step 3-PostScript
Step 4-Fax
Step 5-Reassembling
1.12.3 INSTALLING PANELS AND KEYS
Step 6-Panel
Step 7-Printer/Scanner Keys
Step 8-Fax Keys
Step 9-Printer/Scanner and Fax Keys
1.12.4 SETTINGS
Step 10-MFP Settings and Time Settings
Step 11-Fax Settings
1.13 IEEE1284/IEEE1394 INTERFACE
1.13.1 ACCESSORY CHECK
1.13.2 INSTALLATION PROCEDURE
UP Mode Settings for Wireless LAN
SP Mode Settings for IEEE 802.11b Wireless LAN
1.14 BLUETOOTH
1.14.1 ACCESSORY CHECK
1.14.2 INSTALLATION PROCEDURE

2. PREVENTIVE MAINTENANCE
2.1 PM TABLES
Optics
Drum Area
Paper Feed
Fusing Unit
ADF/ARDF
Paper Tray Unit
2.2 HOW TO RESET THE PM COUNTER


3. REPLACEMENT AND ADJUSTMENT
3.1 GENERAL CAUTIONS
3.1.1 PCU (PHOTOCONDUCTOR UNIT)
3.1.2 TRANSFER ROLLER
3.1.3 SCANNER UNIT
3.1.4 LASER UNIT
3.1.5 FUSING UNIT
3.1.6 PAPER FEED
3.1.7 IMPORTANT
3.2 SPECIAL TOOLS AND LUBRICANTS
3.3 EXTERIOR COVERS & OPERATION PANEL
3.3.1 REAR COVER
3.3.2 REAR LOWER COVER (TWO-TRAY MODELS ONLY)
3.3.3 COPY TRAY
3.3.4 UPPER COVERS
3.3.5 LEFT COVER
3.3.6 FRONT COVER
3.3.7 FRONT RIGHT COVER
3.3.8 RIGHT REAR COVER
3.3.9 RIGHT DOOR (B121/B122)/DUPLEX UNIT (B123)
3.3.10 BY-PASS TRAY
3.3.11 LEFT LOWER COVER (TWO-TRAY MODELS ONLY)
3.3.12 RIGHT LOWER COVER (TWO-TRAY MODELS ONLY)
3.3.13 PLATEN COVER SENSOR
3.4 SCANNER UNIT
3.4.1 EXPOSURE GLASS/DF EXPOSURE GLASS
Exposure Glass
DF Exposure Glass
3.4.2 LENS BLOCK
3.4.3 LAMP STABILIZER BOARD AND EXPOSURE LAMP
3.4.4 ORIGINAL WIDTH/LENGTH SENSOR
Sensor Positions
3.4.5 SCANNER MOTOR
3.4.6 SCANNER HOME POSITION SENSOR
3.4.7 ADJUSTING SCANNER POSITIONS
Overview
Adjusting the First Scanner Contact Points
Adjusting the Second Scanner Contact Points
3.5 LASER UNIT
3.5.1 LOCATION OF CAUTION DECAL
3.5.2 TONER SHIELD GLASS
3.5.3 LASER UNIT
3.5.4 LD UNIT
3.5.5 POLYGONAL MIRROR MOTOR
3.5.6 LASER UNIT ALIGNMENT ADJUSTMENT
3.6 PCU SECTION
3.6.1 PCU
3.6.2 PICK-OFF PAWLS AND TONER DENSITY SENSOR
3.6.3 OPC DRUM
3.6.4 CHARGE ROLLER AND CLEANING BRUSH
3.6.5 CLEANING BLADE
3.6.6 DEVELOPER
3.6.7 AFTER REPLACEMENT OR ADJUSTMENT
3.7 TONER SUPPLY MOTOR
3.8 PAPER FEED SECTION
3.8.1 PAPER FEED ROLLER
3.8.2 FRICTION PAD
3.8.3 PAPER END SENSOR
3.8.4 EXIT SENSOR
Non-duplex Models
Duplex Models
3.8.5 BY-PASS FEED ROLLER AND PAPER END SENSOR
3.8.6 REGISTRATION ROLLER
3.8.7 BY-PASS PAPER SIZE SWITCH
3.8.8 REGISTRATION CLUTCH
3.8.9 REGISTRATION SENSOR
3.8.10 UPPER PAPER FEED CLUTCH AND BY-PASS FEED CLUTCH3-32
3.8.11 RELAY CLUTCH
3.8.12 RELAY SENSOR
3.8.13 LOWER PAPER FEED CLUTCH (TWO-TRAY MODELS ONLY) 3-33
3.8.14 VERTICAL TRANSPORT SENSOR
(TWO-TRAY MODELS ONLY)
3.8.15 PAPER SIZE SWITCH
3.9 IMAGE TRANSFER
3.9.1 IMAGE TRANSFER ROLLER
3.9.2 IMAGE DENSITY SENSOR
3.10 FUSING
3.10.1 FUSING UNIT
3.10.2 THERMISTOR
3.10.3 FUSING LAMPS
3.10.4 HOT ROLLER STRIPPER PAWLS
3.10.5 HOT ROLLER
3.10.6 THERMOSTAT
3.10.7 PRESSURE ROLLER AND BUSHINGS
3.10.8 NIP BAND WIDTH ADJUSTMENT
3.10.9 CLEANING ROLLER
3.11 DUPLEX UNIT (DUPLEX MODELS ONLY)
3.11.1 DUPLEX EXIT SENSOR
3.11.2 DUPLEX ENTRANCE SENSOR
3.11.3 DUPLEX INVERTER SENSOR
3.11.4 DUPLEX TRANSPORT MOTOR
3.11.5 DUPLEX INVERTER MOTOR
3.11.6 DUPLEX CONTROL BOARD
3.12 OTHER REPLACEMENTS
3.12.1 QUENCHING LAMP
3.12.2 HIGH-VOLTAGE POWER SUPPLY BOARD
3.12.3 BICU (BASE-ENGINE IMAGE CONTROL UNIT)
3.12.4 MAIN MOTOR
3.12.5 REAR EXHAUST FAN (B123 ONLY)
3.12.6 LEFT EXHAUST FAN
3.12.7 PSU (POWER SUPPLY UNIT)
3.12.8 GEARBOX
Replacement Procedure
Gear Arrangement in the Gearbox
3.13 COPY ADJUSTMENTS: PRINTING/SCANNING
3.13.1 PRINTING
Registration - Leading Edge/Side-to-Side
Blank Margin
Main Scan Magnification
3.13.2 SCANNING
Registration: Platen Mode
Magnification
Standard White Density Adjustment
3.13.3 ADF IMAGE ADJUSTMENT
Registration and Blank Margin
Sub-scan Magnification

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 LED DISPLAY
4.4.1 BICU

5. SERVICE TABLES
5.1 SERVICE PROGRAM MODE
5.1.1 USING SP MODE
Starting SP Mode
Starting SSP Mode
Selecting Programs
Specifying Values
Activating Copy Mode
Quitting Programs/Ending (S)SP Mode
5.1.2 SP MODE TABLES�BASIC
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-MFP
SP1-XXX (Feed)
SP2-XXX (Drum)
SP4-XXX (Scanner)
SP5-XXX (Mode)
SP6-XXX (Peripherals)
SP7-XXX (Data Log)
SP8-XXX (History)
SP9-XXX (Etc.)
5.1.4 ADJUSTING REGISTRATION AND MAGNIFICATION
5.1.5 ID SENSOR ERROR ANALYSIS (SP2-221)
5.1.6 DISPLAY APS DATA (SP4-301-1)
Sensor Positions
Reading the Data
5.1.7 MEMORY CLEAR
Basic Machine and MFP Machine
Exceptions
With Flash Memory Card (Basic Machine Only)
Without Flash Memory Card
5.1.8 INPUT CHECK (SP5-803)
Conducting an Input Check
Input Check Table
5.1.9 OUTPUT CHECK (SP5-804)
Conducting an Output Check
Output Check Table
5.1.10 SERIAL NUMBER INPUT (SP5-811)
Specifying Characters
Serial Number and NVRAM
5.1.11 NVRAM DATA UPLOAD/DOWNLOAD (SP5-824/825)
Overview
NVRAM Upload (SP5-824-1)
NVRAM Download (SP5-825-1)
5.1.12 FIRMWARE UPDATE PROCEDURE FOR BASIC MACHINES
5.1.13 TEST PATTERN PRINT (SP5-902-1)
Executing Test Pattern Printing
Test Patterns
5.1.14 COUNTER-EACH PAPER JAM (SP7-504)
5.1.15 SMC PRINT (SP5-990)
5.1.16 ORIGINAL JAM HISTORY DISPLAY (SP7-508)
Viewing the Copy Jam History
Jam History Code
5.1.17 ADF APS SENSOR OUTPUT DISPLAY (SP6-901)
Sensor Positions
Reading Data
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
5.2.4 NVRAM DATA UPLOAD/DOWNLOAD
Uploading Content of NVRAM to an SD card
Downloading an SD Card to NVRAM

6. DETAILED DESCRIPTIONS
6.1.1 COMPONENT LAYOUT
6.1.2 PAPER PATH
6.1.3 DRIVE LAYOUT
6.2 BOARD STRUCTURE
6.2.1 BLOCK DIAGRAM
1. BICU (Base Engine and Image Control Unit)
2. SBU (Sensor Board Unit)
6.3 COPY PROCESS OVERVIEW
6.4 SCANNING
6.4.1 OVERVIEW
Lamp Stabilizer Fuse
6.4.2 SCANNER DRIVE
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 IPU (IMAGE PROCESSING UNIT)
Overview
Image Processing Modes
Image Processing Path
Original Modes
SP Modes for Each Image Processing Step
Auto Shading
White Line Erase
Black Line Erase
Auto image density (ADS)
Scanner Gamma (?) Correction
Main Scan Magnification
Mirroring for ADF Mode
Filtering
ID Gamma (?) Correction
Gradation Processing
6.5.4 VIDEO CONTROL UNIT (VCU)
Fine Character and Image (FCI)
Printer Gamma Correction
6.6 LASER EXPOSURE
6.6.1 OVERVIEW
6.6.2 AUTO POWER CONTROL (APC)
6.6.3 LD SAFETY SWITCH
6.7 PHOTOCONDUCTOR UNIT (PCU)
6.7.1 OVERVIEW
6.7.2 DRIVE
6.8 DRUM CHARGE
6.8.1 OVERVIEW
6.8.2 CHARGE ROLLER VOLTAGE CORRECTION
Correction for Environmental Conditions
6.8.3 ID SENSOR PATTERN PRODUCTION TIMING
6.8.4 DRUM CHARGE ROLLER CLEANING
6.9 DEVELOPMENT
6.9.1 OVERVIEW
6.9.2 DRIVE
6.9.3 DEVELOPER MIXING
6.9.4 DEVELOPMENT BIAS
6.9.5 TONER SUPPLY
Toner Bottle Replenishment Mechanism
Toner Supply Mechanism
6.9.6 TONER DENSITY CONTROL
Overview
Toner Density Sensor Initial Setting
Toner Concentration Measurement
Vsp/Vsg Detection
Toner Supply Reference Voltage (Vref) Determination
Toner Supply Determination
Toner Supply Motor On Time Determinations
6.9.7 TONER SUPPLY IN ABNORMAL SENSOR CONDITIONS
ID Sensor
TD Sensor
6.9.8 TONER NEAR END/END DETECTION AND RECOVERY
Toner Near End Detection
Toner Near End Recovery
Toner End Detection
Toner End Recovery
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 MECHANISM
6.11.3 PAPER FEED AND SEPARATION MECHANISM
6.11.4 PAPER LIFT MECHANISM
6.11.5 PAPER END DETECTION
6.11.6 PAPER SIZE DETECTION
Paper Tray
By-pass Tray
6.11.7 SIDE FENCES
6.11.8 PAPER REGISTRATION
6.12 IMAGE TRANSFER AND PAPER SEPARATION
6.12.1 OVERVIEW
6.12.2 IMAGE TRANSFER CURRENT TIMING
6.12.3 TRANSFER ROLLER CLEANING
6.12.4 PAPER SEPARATION MECHANISM
6.13 IMAGE FUSING AND PAPER EXIT
6.13.1 OVERVIEW
6.13.2 FUSING UNIT DRIVE AND RELEASE MECHANISM
Fusing Unit Drive
Drive Release Mechanism
Contact/Release Control
Drive Release Solenoid
6.13.3 FUSING ENTRANCE GUIDE SHIFT
6.13.4 PRESSURE ROLLER
6.13.5 FUSING TEMPERATURE CONTROL
Overview
Temperature Control
6.13.6 OVERHEAT PROTECTION
6.14 DUPLEX UNIT
6.14.1 OVERALL
6.14.2 DRIVE MECHANISM
6.14.3 BASIC OPERATION
Larger than A4 Short-edge/LT Short-edge
Up to A4 Short-edge/LT Short-edge
6.14.4 FEED IN AND EXIT MECHANISM
6.15 ENERGY SAVER MODES OF BASIC MACHINES
Overview
AOF
Timers
Recovery
6.16 ENERGY SAVER MODES OF MFP MACHINES
Overview
AOF
Timers
Recovery

SPECIFICATIONS
https://www.tradebit.comERAL SPECIFICATIONS
Duplex Unit (B123 only)
2. SUPPORTED PAPER SIZES
2.1 ORIGINAL SIZE DETECTION
North America, Europe, Asia, Taiwan China, Korea
2.2 PAPER FEED AND EXIT
Main Frame, Duplex
Optional Paper Tray, One-Bin Tray, By-pass Tray
3. MACHINE CONFIGURATION
4. OPTIONAL EQUIPMENT
ARDF
ADF
ONE-TRAY PAPER TRAY UNIT
TWO-TRAY PAPER TRAY UNIT
One-Bin Tray

ONE-BIN TRAY B621
SEE SECTION B621 FOR DETAILED TABLE OF CONTENTS

AUTO REVERSE DOCUMENT FEEDER B379
SEE SECTION B379 FOR DETAILED TABLE OF CONTENTS

AUTO DOCUMENT FEEDER B387
SEE SECTION B387 FOR DETAILED TABLE OF CONTENTS

ADF B616 and ARDF B617
SEE SECTION B616/B617 FOR DETAILED TABLE OF CONTENTS

FAX OPTION B620
SEE SECTION B620 FOR DETAILED TABLE OF CONTENTS

INTERNET FAX (IFAX)
SEE SECTION IFAX FOR DETAILED TABLE OF CONTENTS

PRINTER/SCANNER B622
SEE SECTION B622 FOR DETAILED TABLE OF CONTENTS

MFP EXPANSION B658/PRINTER/SCANNER B263
SEE SECTION B658/B263 FOR DETAILED TABLE OF CONTENTS

Number of pages: 603.
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