Ricoh HQ9000, HQ7000 (product code C262, C265) Service Manual


Product picture Ricoh HQ9000, HQ7000 (product code C262, C265) Service Manual

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Service Manual Ricoh HQ9000, HQ7000 (product code C262, C265);
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Ricoh.
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 HQ9000, HQ7000 (product code C262, C265). You can find easily everything what do you need.
To see what contain, please read table of contents:

INSTALLATION
1. INSTALLATION
1.1 INSTALLATION REQUIREMENTS
1.1.1 OPTIMUM ENVIRONMENTAL CONDITION
1.1.2 ENVIRONMENTS TO AVOID
1.1.3 POWER CONNECTION
1.1.4 ACCESS TO THE MACHINE
1.1.5 POWER SOCKETS FOR PERIPHERALS
1.2 INSTALLATION PROCEDURE
1.2.1 MAIN BODY
Accessory Check
Installation Procedure
Date/Time Setting
SP Codes Setting
Changing the operation panel language
1.2.2 PLATEN COVER (OPTION)
Accessory Check
Installation Procedure
1.2.3 ADF (OPTION)
Accessory Check
Installation Procedure
ADF stabilizer installation
1.2.4 ADDITIONAL DRUMS (OPTION)
1.2.5 EXTENSION HDD TYPE 1 (OPTION)
Accessory Check
Installation Procedure
1.2.6 POSTSCRIPT3 BOARD TYPE 2 (OPTION)
Accessory Check
Inserting DIMMs
Installation Procedure
1.2.7 IEEE 802.11B I/F UNIT TYPE 1 (OPTION)
Accessory Check
Installation Procedure
1.2.8 IEEE 1284 PARALLEL BOARD TYPE 1 (OPTION)
Accessory Check
Installation Procedure
1.2.9 MEMORY UNIT TYPE C (128MB/256MB) (OPTION)
Accessory Check
Installation Procedure
1.2.10 CONFIGURATION PAGE (EXAMPLE PRINTOUT)

PREVENTIVE MAINTENANCE
2. PREVENTIVE MAINTENANCE
2.1 MAINTENANCE TABLE

REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT
3.1 GENERAL CAUTION
3.2 COVERS
3.2.1 FRONT COVER, INNER COVER, KNOB COVER
3.2.2 LEFT COVER, RIGHT FRONT AND RIGHT REAR COVERS,
REAR COVER
3.2.3 OPERATION PANEL, LEFT SCANNER COVER, REAR UPPER COVER,
RIGHT SCANNER COVER, LOWER PANEL COVER
3.2.4 EXPOSURE GLASS, SCALES
3.3 SCANNER UNIT
3.3.1 SCANNER FRAME, SCANNER HP SENSOR,
PLATEN COVER SENSOR, EXPOSURE LAMP
3.3.2 LENS COVER
3.3.3 ORIGINAL SIZE SENSORS
3.3.4 LAMP STABILIZER, SBU, SCANNER DRIVE MOTOR
3.3.5 SCANNER WIRES
Installation
3.3.6 SBU (SENSOR BOARD UNIT) CALIBRATION
3.4 COPY IMAGE ADJUSTMENT
3.4.1 LEADING EDGE REGISTRATION ADJUSTMENT
3.4.2 SIDE-TO-SIDE REGISTRATION ADJUSTMENT
3.4.3 VERTICAL MAGNIFICATION ADJUSTMENT
3.5 BOARDS
3.5.1 ACU AND ECU, PSU OPENING PROCEDURE
3.5.2 ACU, ECU, I/O
3.5.3 PSU
3.5.4 DOUBLE FEED DETECTOR BOARD
3.5.5 ECU AND I/O REPLACEMENT, NVRAMS
3.6 MASTER EJECT SECTION
3.6.1 MASTER EJECT BOX
3.6.2 MASTER EJECT ROLLER UNIT, MASTER EJECT SENSOR
3.6.3 MASTER EJECT DRIVE UNIT, SENSORS AND MOTORS
3.6.4 MASTER EJECT BOX LOCK SOLENOID
3.6.5 MASTER EJECT SENSOR ADJUSTMENT
3.6.6 REASSEMBLING THE MASTER PICK-UP ROLLER
DRIVE GEARS
3.7 MASTER FEED SECTION
3.7.1 MASTER MAKING UNIT
3.7.2 MASTER SET ROLLER, PLATEN ROLLER,
UPPER TENSION ROLLER
3.7.3 THERMAL HEAD
3.7.4 DUCT ENTRANCE SOLENOID
3.7.5 CUTTER UNIT, MASTER FEED CONTROL MOTOR, CLAMP
TENSION ROLLER, UPPER MASTER FEED CONTROL ROLLER
3.7.6 PLATEN RELEASE SENSOR, PLATEN RELEASE MOTOR
3.7.7 MASTER AMOUNT SENSOR
3.7.8 MASTER DUCT SENSOR, MASTER SUCTION FANS,
MASTER FEED MOTOR
3.7.9 MASTER SET SENSOR, MASTER EDGE SENSOR
3.7.10 FLAT CABLE
3.7.11 MASTER END SENSOR
3.7.12 MASTER BUFFER FANS
3.7.13 UNIT LOCK SOLENOID, 2ND DRUM MASTER SENSOR
3.7.14 PLATEN RELEASE CAM ADJUSTMENT
3.7.15 THERMAL HEAD VOLTAGE ADJUSTMENT
3.7.16 MASTER END SENSOR ADJUSTMENT
3.7.17 MASTER EDGE SENSOR ADJUSTMENT
3.7.18 MASTER SET SENSOR ADJUSTMENT
3.7.19 THERMAL HEAD ALIGNMENT ADJUSTMENT
3.7.20 MASTER MAKING UNIT PARALLEL ADJUSTMENT
3.7.21 MASTER EDGE TRIMMING PROCEDURE
3.7.22 MASTER FEED MYLAR POSITIONING
3.8 DRUM SECTION
3.8.1 DRUM UNIT
3.8.2 DRUM CLOTH SCREEN
3.8.3 DRUM MASTER CLAMPER, METAL SCREEN
3.8.4 MOTORS AND SENSORS IN THE DRUM
3.8.5 INK ID DETECTION/INK FLOW SENSOR CONNECTOR
3.8.6 INK ROLLER GAP ADJUSTMENT
3.8.7 INK DETECTION ADJUSTMENT
3.8.8 DRUM POSITION ADJUSTMENT
3.8.9 1ST DRUM MASTER SENSOR ADJUSTMENT
3.8.10 2ND DRUM MASTER SENSOR ADJUSTMENT
3.9 PAPER FEED SECTION
3.9.1 PAPER TABLE UNIT, PAPER FEED ASSEMBLY
3.9.2 PICK-UP ROLLER, PAPER FEED ROLLER
3.9.3 PAPER WIDTH DETECTION BOARD
3.9.4 PAPER HEIGHT SENSOR
3.9.5 FEED PRESSURE MOTOR, FEED PRESSURE
DETECTION BOARD
3.9.6 REGISTRATION PRESSURE MOTOR, REGISTRATION ROLLER
PRESS SENSOR, REGISTRATION ROLLER RELEASE SENSOR
3.9.7 PAPER REGISTRATION SENSOR, PAPER FEED
TIMING SENSOR
3.9.8 UPPER REGISTRATION ROLLER
3.9.9 FRICTION PADS
3.9.10 SEPARATION PRESSURE DETECTION BOARD,
FRICTION PAD SHIFT MOTOR
3.9.11 SEPARATION PRESSURE MOTOR, FRICTION PAD
POSITION SENSORS 1, 2
3.9.12 LOWER REGISTRATION ROLLER
3.9.13 REGISTRATION ROLLER LIFTING CAM POSITION
ADJUSTMENT
3.9.14 DOUBLE FEED SENSOR ADJUSTMENT
3.9.15 TIMING BELT TENSION ADJUSTMENT FOR THE
PAPER FEED MOTOR
3.9.16 TIMING BELT TENSION ADJUSTMENT FOR THE
REGISTRATION MOTOR
3.9.17 PAPER FEED AND SEPARATION PRESSURE ADJUSTMENT
Paper feed pressure adjustment
Paper separation pressure adjustment
3.9.18 PAPER FEED LENGTH ADJUSTMENT
Paper Feed Motor Stop Timing Adjustment
Paper Clamping Timing Adjustment
3.10 PRINTING SECTION
3.10.1 PRESSURE CYLINDER, PAPER CLAMPER
Removal procedure
Reinstallation procedure
3.10.2 FEED ENCODER, FEED START SENSOR, FEED ENCODER
HARNESS, FEED ENCODER CLEANING BRUSH
3.10.3 1ST DRUM MASTER SENSOR
3.10.4 1ST DRUM MASTER SENSOR GUIDE ADJUSTMENT
3.10.5 PRINTING PRESSURE HP SENSOR, PRINTING PRESSURE
POSITION SENSOR, PRESSURE CAM SHIFT MOTOR
3.10.6 PRINTING PRESSURE ADJUSTMENT
3.10.7 PRINTING PRESSURE RELEASE ARM GAP ADJUSTMENT
3.11 MAIN DRIVE AND IMAGE UP/DOWN SHIFTING DRIVE SECTION
3.11.1 MAIN MOTOR AND TORQUE LIMITER
3.11.2 MAIN DRIVE MECHANISM (MAIN DRIVE TIMING BELT)
Disassembly Procedure
Reassembly Procedure
Copy Image Check Procedure after Main Drive and Image Up/Down
Shifting Drive Section Re-assembly
3.11.3 SCISSORS GEAR
3.11.4 PRESSURE CYLINDER ROTATION KNOB ADJUSTMENT
3.11.5 SCISSORS GEAR POSITION ADJUSEMENT
3.11.6 IMAGE UP/DOWN SHIFT WORM-GEAR POSITION
ADJUSEMENT
3.11.7 IMAGE UP/DOWN SHIFT DRIVE UNIT POSITION
ADJUSEMENT
3.11.8 IMAGE SHIFT GEAR PRESSURE ADJUSEMENT
3.12 PAPER DELIVERY SECTION
3.12.1 PAPER EXIT PAWL
3.12.2 PAPER DELIVERY UNIT, AIR KNIFE FAN UNIT,
PAPER PICK-OFF PLATE
3.12.3 JOB SEPARATOR UNIT, PRINTING PRESSURE CAM
SHIFT UNIT
3.12.4 PAPER EXIT SENSOR, TRANSPORT VACUUM FAN,
PAPER EXIT SENSOR
3.12.5 GAP ADJUSTMENT BETWEEN PAPER PICK-OFF
PLATE AND PRESSURE CYLINDER
3.12.6 PAPER EXIT PAWL DRIVE TIMING ADJUSTMENT
3.12.7 GAP ADJUSTMENT BETWEEN EXIT PAWL AND DRUM
3.12.8 CHOCKS

TROUBLESHOOTING
4. TROUBLESHOOTING
4.1 SERVICE CALL CODES
4.2 CLASSIFICATION LIST
4.3 SERVICE CALL CODE TABLE
4.4 ELECTRICAL COMPONENT DEFECTS
4.4.1 SCANNER
4.4.2 ADF
4.4.3 MASTER MAKING UNIT
4.4.4 DRUM
4.4.5 MASTER EJECT
4.4.6 PAPER FEED
4.4.7 PRINTING AND PRESSURE CYLINDER
4.4.8 PAPER EJECT
4.4.9 PAPER SEPARATION
4.4.10 FUSES ON BOARDS
4.5 DIP SW, LED, VR, TP, AND FUSE TABLES
4.5.1 TEST POINTS
Ink Detection Board
4.5.2 DIP SWITCHES
Ink Detection Board
ACU
4.5.3 POTENTIOMETERS
I/O Board
Power Supply Board
Ink Detection Board
4.5.4 LED'S
MPU
I/O Board
ACU
Operation Panel
4.5.5 FUSES
Power Supply Unit
Main Motor Drive Board
I/O Board

SERVICE TABLES
5. SERVICE TABLES
5.1 SERVICE REMARKS
5.1.1 SCANNER SECTION
1. Xenon Lamp
2. Scanner Wire Installation
3. Sensor Board Unit (SBU) Calibration
5.1.2 MASTER EJECT SECTION
1. Master Pick-up Roller Drive Gear and Master Clamper Drive
Arm Positions
5.1.3 MASTER FEED SECTION
1. Thermal Head 1
2. Thermal Head 2
3. Master Vacuum Fan Position
4. Master Feed Mylar Positions
5.1.4 PAPER FEED SECTION
1. Paper Pick-up Roller and Paper Feed Roller 1
2. Paper Pick-up Roller and Paper Feed Roller 2
5.1.5 DRUM AND DRUM DRIVE SECTION
1. Doctor Roller
2. Drum Master Clamper
3. Ink Roller Unit
5.1.6 MAIN DRIVE SECTION
1. Main Drive Adjustment
5.1.7 ELECTRICAL COMPONENTS
1. ECU and I/O Boards
2. ACU, ECU, and Power Supply Unit
3. Power Supply Unit
4. Program Update
5. Sensor Adjustments
5.2 SPECIAL TOOLS
5.3 TOUCH PANEL POSITION ADJUSTMENT
5.4 SERVICE PROGRAM MODE
5.4.1 ENABLING AND DISABLING SERVICE PROGRAM MODE
Entering SP Mode
Exiting SP Mode
5.4.2 TYPES OF SP MODES
SP Mode Button Summary
Selecting the Program Number
Exiting Service Mode
5.4.3 SERVICE PROGRAM TABLE
1. Data Logging
2. Basic Settings
3. System Settings
4. Input Test Mode
5. Output Test Mode
6. System Adjustment
7. Memory Data Clear
8. System Test
5.5 FIRMWARE UPDATE
5.5.1 OVERVIEW
5.5.2 PREPARING TO DOWNLOAD FIRMWARE
5.5.3 DOWNLOADING THE FIRMWARE TO THE MACHINE
5.5.4 ERRORS DURING FIRMWARE UPDATE
5.6 SP MODE SETTINGS AFTER REPLACING AN NVRAM
5.6.1 NVRAM FOR THE ACU
5.6.2 NVRAM FOR THE ECU

DETAILED SECTION DESCRIPTIONS
6. DETAILED SECTION DESCRIPTIONS
6.1 MECHANISM OVERVIEW
6.1.1 MAJOR PARTS
6.1.2 ELECTRICAL COMPONENT LAYOUT
Printed circuit board layout
Scanner Section
Paper Feed Section
Drum Unit
Master Eject, Pressure Cylinder, and Other Sections
Paper Delivery Section
Master Making Unit
6.1.3 TABLE OF ELECTRICAL COMPONENTS
Boards
Motors
Switches
Sensors
Solenoids
Others
6.1.4 DRIVE LAYOUT
Overview
Main Drive
6.2 SCANNER AND OPTICS
6.2.1 OVERVIEW
6.2.2 SCANNER DRIVE
6.2.3 ORIGINAL SIZE DETECTION IN PLATEN MODE
6.2.4 AUTO BACKGROUND CORRECTION
6.3 IMAGE PROCESSING
6.3.1 OVERVIEW
6.3.2 AUTO SHADING
6.3.3 FILTERING
Types of Filters
Filters for each Original Type
Features of the filters
6.3.4 MAIN SCAN MAGNIFICATION/REDUCTION
6.3.5 CENTERING
6.3.6 BINARY PROCESSING
6.3.7 ERASE SHADOW
6.3.8 MEMORY FUNCTION
6.4 THERMAL HEAD
6.4.1 SPECIFICATIONS
Thermal Head Control
Thermal Head Protection
REMARKS FOR HANDLING THE THERMAL HEAD
6.5 MASTER EJECT
6.5.1 OVERVIEW
6.5.2 MASTER EJECT MECHANISM
Overview
Drum Lock Mechanism
Master Pick-up Roller Drive and Master Clamper Open
Master Eject and Transportation
Master Eject Roller Unit Drive
Master Eject Roller Unit Slide-out Mechanism
6.5.3 MASTER EJECT BOX MECHANISM
6.5.4 MASTER EJECT BOX LOCK MECHANISM
6.5.5 PRESSURE PLATE DRIVE MECHANISM
Overview
Drive
Homing Operation
Shift to the Master Eject Position
Ejected Master Compression
Master Box Full Detection Mechanism
Pressure Plate Operation Timing Charts
6.6 MASTER FEED
6.6.1 OVERVIEW
6.6.2 MASTER SET MECHANISM
Master Roll Set
Master Feed and Stop Control (Edge Detection)
Master End Detection
Master Amount Detection
6.6.3 MASTER MAKING AND FEED MECHANISM
Master Feed Mechanism
Platen Roller Pressure Release
Master Buffer Mechanism
6.6.4 WRAPPING THE MASTER AROUND THE DRUM
Drum Lock and Master Clamper Open
Master Feed Control Roller Mechanism
Master Clamping and Wrapping around the Drum
Cutter Mechanism
Master Buffer Duct Entrance Control
Misfed Master Detection
Opening the Door for Misfed Master Removal
6.6.5 MASTER MAKING UNIT SET MECHANISM
Master Making Unit Slide-out Mechanism
Master Making Unit Lock Mechanism
6.6.6 MASTER JAM, CUTTER ERROR, AND CLAMP ERROR
DETECTION
Master set error and misfeed
Master cut error
Master clamp error
6.7 DRUM
6.7.1 OVERVIEW
6.7.2 INK SUPPLY AND KNEADING MECHANISM
Ink Cartridge Installation
Ink Supply Mechanism
Ink Pump Operation Monitoring
Ink Detection Board
Drum Type Detection
Color Drum ID Detection
Automatic Ink Supply for a New Drum
Ink Kneading Mechanism
Drum Idling Mechanism
6.7.3 DRUM SHIFT MECHANISM FOR IMAGE SIDE-TO-SIDE SHIFT .6-69
6.7.4 DRUM SET MECHANISM
Upper Handle and Lock
Front Lock Lever
Drum Rotation Lock Mechanism
6.7.5 DRUM DRIVE MECHANISM
6.7.6 MASTER DETECTION
6.7.7 DRUM HOME POSITION DETECTION
6.8 PAPER FEED
6.8.1 OVERVIEW
Feed and Separation
Feed/Separation Pressure
Registration
6.8.2 PAPER FEED MECHANISM
6.8.3 PAPER FEED/SEPARATION PRESSURE ADJUSTMENT
MECHANISM
Paper feed pressure
Paper separation pressure
Friction Pad Exchange Mechanism
Paper Types
6.8.4 PAPER REGISTRATION MECHANISM
Registration Roller Drive
Registration Roller Up/Down Mechanism
6.8.5 PAPER FEED CONTROL MECHANISM
Registration Roller
Paper Slip Correction
Feed Speed Correction
6.8.6 PAPER FEED RETRY MECHANISM
6.8.7 REGISTRATION ROLLER PRESSURE RELEASE MECHANISM
6.8.8 DOUBLE FEED DETECTION
Mechanism
Recovery from Double Feed
6.8.9 PAPER TABLE ANGLE ADJUSTMENT MECHANISM
6.8.10 PAPER TABLE UP/DOWN MECHANISM
Paper Table Drive Mechanism
6.8.11 PAPER SIDE FENCE MECHANISM
6.8.12 SIDE FENCE LOCK LEVER
6.8.13 DETECTION MECHANISMS
Paper Size and Paper End Detection
Table Upper/Lower Limit Detection and Paper Height Control
Paper Table Open Detection
Paper Amount Detection
6.8.14 PAPER FEED TIMING
Paper feed timing for maximum length paper (447mm)
6.9 PRINTING AND PRESSURE CYLINDER
6.9.1 OVERVIEW
6.9.2 PRESSURE CYLINDER
6.9.3 PAPER CLAMPING
6.9.4 PRINTING PRESSURE MECHANISM
6.9.5 PRINTING PRESSURE CAM SHIFTING FOR A3/A4
SIZE MASTERS
6.9.6 PAPER RELEASE PAWLS MECHANISM
6.9.7 PAPER FEED CONTROL MECHANISM
Paper Feed Start Timing Detection
Detection and Feedback of Fluctuations in Pressure Cylinder Rotation
6.9.8 PRESSURE CYLINDER DRIVE MECHANISM
Overview
Pressure Cylinder HP Return Mechanism
(Manual Pressure Cylinder Rotation)
6.9.9 PRINT PRESSURE ADJUSTMENT MECHANISM
Mechanism
Auto cycle printing, from master making
Only master making
Only printing
6.9.10 TIMING
6.10 PAPER DELIVERY
6.10.1 OVERVIEW
6.10.2 PAPER SEPARATION FROM THE DRUM
Exit Pawl Drive Mechanism
Air Knife Mechanism
Paper pick-off plate mechanism
6.10.3 PAPER DELIVERY WING MECHANISM
6.10.4 PAPER DELIVERY TABLE MECHANISM
6.10.5 ADJUSTABLE BUFFER FINS
6.10.6 JOB SEPARATION MECHANISM
Overview
Sliding Arm Control
6.10.7 PAPER DELIVERY JAM SENSORS
Paper Delivery Jam
Paper Lower Wrapping
6.10.8 PAPER DELIVERY UNIT DRIVE MECHANISM
6.10.9 PAPER EXIT JAM DETECTION
Paper exit jam (C jam)
6.11 IMAGE UP/DOWN SHIFTING
6.11.1 OVERVIEW
6.11.2 IMAGE UP/DOWN SHIFTING MECHANISM
6.12 SECURITY MODE
6.12.1 FUNCTION OF SECURITY MODE
6.12.2 HOW TO ENABLE AND DISABLE SECURITY MODE
6.12.3 SPECIFICATIONS OF SECURITY MODE
6.12.4 MACHINE OPERATION IN SECURITY MODE
6.13 AUTO OFF MODE
6.14 ERROR DETECTION
6.14.1 PAPER FEED ERROR DETECTION (A JAM)
6.14.2 PAPER FEED ERROR DETECTION (A, B JAM)
6.14.3 PAPER DELIVERY ERROR DETECTION
Paper Delivery Error
Paper Upper/Lower Wrapping Detection
6.14.4 JAM INDICATION WHEN YOU TURN ON THE POWER
6.14.5 JAM INDICATION DURING PRINTING
6.14.6 JAM DISPLAY WHEN THE DRUM STOPS AT HOME
POSITION BECAUSE OF PAPER UPPER WRAPPING
6.14.7 MASTER EJECT ERROR DETECTION
Error of Master Pick-up from Drum
Master Eject and Compression Error
6.14.8 ERROR DETECTION DURING MASTER MAKING
Master Set and Feed Error
Master Cut Error
Error During Clamping the Master to the Drum
6.14.9 ORIGINAL FEED ERROR DETECTION IN THE ADF

SPECIFICATIONS
SPECIFICATIONS
1.1 GENERAL SPECIFICATIONS
DOCUMENT FEEDER C600
SEE SECTION C600 FOR DETAILED TABLE OF CONTENTS
LARGE CAPACITY TRAY SYSTEM C641
SEE SECTION C641 FOR DETAILED TABLE OF CONTENTS

Number of pages: 459.




Keywords: service manual;hq7000;hq9000;ricoh
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