Canon CP660 Service Manual

Contents

system configuration
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
I. FEATURES
II. SPECIFICATIONS
III. SAFETY OF LASER LIGHT
IV. NAMES OF PARTS
rear cover
B. Cross Section
V. USING THE CONTROL PANEL
VI. NOTES TO THE USER
VII. NOTES TO THE SERVICE PERSON
Drum Cartridge and the Toner Cartridges
VIII. IMAGE FORMATION
development block
B. Latent Static Image Formation Block
C. Development Block
D. Transfer Block
E. ITD (intermediate transfer drum Cleaning Block
F. Photosensitive Drum Cleaning
G. Fixing Block
basic operation
I. BASIC OPERATIONS
B. Electrical Circuitry
C. Inputs to and Outputs of the Major PCBs
D. Basic Sequence of Operations (used as a printer)
E. Controlling the Main Motor
laser exposure system
I. OUTLINE
II. LASER CONTROL CIRCUIT
B. Image Signal Processing
C. Controlling the Laser Intensity
D. Horizontal Sync Control
E. Controlling the Laser Diode Emission
image formation system
B. Operations
II. FORMING LATENT STATIC IMAGES
B. Drum Cartridge Memory
C. Checking the Life of the Photosensitive Drum
D. Monitoring the Waste Toner Case
III. DEVELOPMENT
B. Controlling the Developing Rotary
C. Locking the Developing Rotary
E. Detecting the Level of Color Toner
F. Checking the Presence/Absence of a Color Toner Cartridge
IV. TRANSFER
B. Locking the Secondary Transfer Belt
C. Controlling the ITD Cleaning Roller
CONTROL
D. Detecting the Density
VI. HIGH-VOLTAGE POWER SUPPLY CIRCUIT
B. High-Voltage PCB 1
C. High-Voltage PCB 2
D. Separation Static Eliminating Bias PCB
VII. OTHER CONTROL MECHANISMS
B. Controlling the Cartridge Motor
C. Controlling the Drum Motor
VIII. DISASSEMBLY/ASSEMBLY
A. Drive System
c. pcbs
Table Of Contents
II. PICK-UP ASSEMBLY
B. Pick-Up from the Multifeeder Tray
C. Controlling the Pick-Up Motor
III. FEEDING/DELIVERY ASSEMBLY
IV. DUPLEXING UNIT
B. Reversing Operation
C. Horizontal Registration Adjustment
D. Re-Pickup
V. DETECTING JAMS
a. pick-up assembly
b. delivery assembly
c. feeding assembly
separation pad
fixing system
II. FIXING CONTROL CIRCUIT
B. Preventing Rush Current
C. Protecting the Fixing Assembly
III. DISASSEMBLY/ASSEMBLY
A. Fixing Assembly
I. CONTROL PANEL
II. FANS
III. POWER SUPPLY
power supply
B. Remote Switch
C. Protective Mechanisms
D. Power Save Mode
IV. DISASSEMBLY/ASSEMBLY
B. Power Supply Assembly
I. SELECTING THE SITE
II. UNPACKING AND INSTALLATION
B. Installing the Printer Unit
C. Making Settings and Checking Images and Operations
D. Selecting the Type of Message for the Printer Unit
III. RELOCATING THE MACHINE
IV. INSTALLING THE DUPLEXING UNIT
CASSETTE (A4R, LTRR, B5R, A5R)
I. PERIODICALLY REPLACED PARTS
troubleshooting
I. STANDARDS AND ADJUSTMENTS
II. TROUBLESHOOTING IMAGE FAULTS
B. Guide to Test Prints for the Printer Unit
C. Troubleshooting Image Faults
III. TROUBLESHOOTING MALFUNCTIONS
A. Error Codes
B. Faults Not Identified by Error Codes
IV. TROUBLESHOOTING FEEDING PROBLEMS
B. Faulty Feeding
ELECTRICAL PARTS
A. Sensors
B. Thermistors, Lamps, and Heaters
C. Clutches and Solenoids
D. Fans and Motors
e. pcbs
F. Duplexing Unit
G. Variable Resistors (VR), Light-Emitting Diodes, and Check Pins PCB
dc controller pcb
VI. SERVICE MODE
C. Main Menu
VII. TEST PAGE PRINT MODE
VIII. SELF DIAGNOSIS
A. GENERAL TIMING CHART
B. SIGNALS AND ABBREVIATIONS
C. GENERAL CIRCUIT DIAGRAM

Canon CP660 Service Manual Manual pdf 152 page image

COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 4 IMAGE FORMATION SYSTEM4-543. Removing the Video Interface PCB1) Perform the steps on p. 3-16 toremove the rear cover.2) Remove the four screws, and discon-nect the two connectors on the DCcontroller PCB; then, detach the videointerface PCB.Figure 4-8463) Remove the two screws and the twohex nuts; then, detach the video inter-face PCB from the metal plate.Figure 4-847ScrewsScrewsConnector ConnectorVideo Interface PCBScrewScrewVideo Interface PCBHex nutsDownload free service manual at http://printer1.blogspot.com