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NP6320
Canon NP6320 Service Manual
Canon NP6320 Service Manual
Also see for NP6320:
Service manual
Table of content
Contents
system configuration
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
I. FEATURES
II. SPECIFICATIONS
C. Performance
III. NAMES OF PARTS
B. Cross Section
IV. OPERATION
B. Setting the Auto Shut-Off Time
V. IMAGE FORMATION PROCESS
basic operation
I. BASIC OPERATION
B. Outline of Electric Circuitry
C. Inputs to the DC Controller
D. DC Controller Outputs
A. Changing the Reproduction Ratio
II. LENS DRIVE SYSTEM
Operation (change of reproduction ratio)
III. SCANNER DRIVE SYSTEM
B. Relation Between Scanner Sensor and Signals
copy count
image formation system
I. IMAGE FORMATION SYSTEM
B. Basic Operation of Image Formation System
II. CONTROLLING THE SCANNING LAMP
B. Mechanism
CURRENT AND GRID BIAS VOLTAGE CONTROL SYSTEM
C. Maintaining Primary/Transfer Corona Current Constant
D. Controlling Grid Bias Voltage
IV. CONTROLLING THE DEVELOPING BIAS
B. Operation
C. Developing Bias Operation
MEASUREMENT SYSTEM
C. Reading the Output of the AE Sensor
VI. DEVELOPING ASSEMBLY DRUM CLAENER
VII. BLANKING
B. Movement of the Blank Exposure Mechanism
VIII. DISASSEMBLY AND ASSEMBLY
B. Blank Assembly
C. CORONA SYSTEM
D. Development System
I. PAPER TRANSPORT SYSTEM
B. Pick-up and Feeder Operation
C. Identifying the Cassette Size
D. Pick-Up from the Multifeeder
II. JAM DETECTION
fixing system
I. BASIC OPERATIONS
II. DISASSEMBLY AND ASSEMBLY
I. POWER SUPPLY
A. External Covers
B. Control Panel
C. Copyboard Cover
I. LOCATION
II. UNPACKING AND INSTALLING THE COPIER
B. Mounting the Drum
C. Checking the Operation
D. Adding Toner
E. Checking the Image
III. SETTING THE CASSETTE SIZE
B. Replacing the Cassette Spring
C. Removing the Pick-up Roller
IV. RELOCATING THE COPIER
V. INSTALLING THE CONTROL CARD-V
I. PERIODICALLY REPLACED PARTS
troubleshooting
INSPECTION
B. Periodic Maintenance Check Points
II. STANDARDS AND ADJUSTMENTS
B. Electrical
III. IMAGE TROUBLE SHOOTING
B. Samples of Image Faults
C. Troubleshooting of Image Faults
black image
IV. OPERATION TROUBLE SHOOTING
FEEDING PROBLEMS
VI. INCORRECT PAPER FEED OPERATION
MENT OF THE ELECTRICAL PARTS
B. Clutches, Solenoids, Fans Motors and Heaters
C. Switches, Circuit Breakers Counters, Etc
d. pcbs
VIII. SERVICE MODE
C. Guide to Service Mode
IX. SELF DIAGNOSIS
A. GENERAL TIMING CHART
B. LIST OF SIGNALS COMMANDS
paper deck
general description
CHAPTER 4 IMAGE FORMATION SYSTEM
COPYRIGHT
©
1999 CANON INC.
CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
4-3
II.
CONTROLLING THE SCANNING LAMP
A.
Outline
The scanning lamp (LA1) is controlled by the DC controller PCB and the lamp driver PCB.
• turns the scanning lamp ON and OFF. (DC controller PCB)
• controls the intensity of the scanning lamp. (lamp driver PCB)
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This manual is suitable for:
NP6320
