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NP6512
Canon NP6512 Service Manual
Canon NP6512 Service Manual
Also see for NP6512:
Service manual
Table of content
Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
I. FEATURES
II. SPECIFICATIONS
III. NAMES OF PARTS
ADF Type
B. Cross Section
IV. USING THE MACHINE
B. User mode
USER
if jams occur frequently
VI. IMAGE FORMATION
basic operation
I. BASIC OPERATIONS
B. Outline of Electrical Circuitry
C. Basic Sequence of Operations
D. Controlling the Main Motor (M1)
E. Inputs to and Outputs from the DC Controller
I. OPERATIONS
A. Outline
B. Varying the Reproduction Ratio
C. Lens Drive System
D. Scanner Drive System
a. scanner drive assembly
outline of the scanner drive cable
b. lens drive assembly
c. exposure system
removing the thermal fuse
image formation system
I. IMAGE FORMATION SYSTEM
B. Timing Chart for the Image Formation System
C. Primary Charging Roller Bias Control
D. Controlling the Transfer Roller Bias
Separation Static Eliminator Bias
Originals
G. Controlling the Pre-Exposure Lamp
H. Controlling the Side Blanking Mechanism
II. DEVELOPING ASSEMBLY CLEANING ASSEMBLY
B. Detecting the Level of Toner
C. Detecting Waste Toner
D. Primary Charging Roller Cleaning Control
III. DISASSEMBLY/ASSEMBLY
A. Drum Unit
removing the drum unit
after replacing the drum unit
B. Transfer Charging Assembly
C. Blank Exposure
D. Developing Assembly
I. PICKUP/FEEDING SYSTEM
B. Controlling the Pickup Roller
C. Controlling the Movement of Paper
D. Detecting Jams
delivery delay jam
II. DISASSEMBLY/ASSEMBLY
A. Pickup Assembly
B. Multifeeder Assembly
removing the separation pad
C. Feeding Assembly
D. Registration Roller Assembly
removing the registration roller
E. Delivery Assembly
B. Controlling the Fixing Temperature
II. POWER SUPPLY SYSTEM
B. Power Supply Circuit
C. Detecting an Error on the Com posite Power Supply PCB
A. External Covers
B. Control Panel
C. Copyboard Glass
D. Main Motor/Main Drive Assem bly
E. Electrical System
supply pcb
power supply pcb
Table Of Contents
B Basic Construction
C. Basic Operations
D. Detecting an Original
E. Pickup Operation
F. Delivery
G. Controlling the Pickup Motor
H. Controlling the Belt Motor
I. Detecting Original Jams
J. Power Supply
A. Removing the ADF
B. External Covers
C. Drive System
D. Feeding System
registration roller
I. SELECTING THE SITE
II. UNPACKING AND INSTALLATION
installing the drum unit
connecting the power cord
adjusting the machine
B. Placing Copy Paper
III. MOVING THE MACHINE
I. PERIODICALLY REPLACED PARTS
troubleshooting
INSPECTION
B. Points to Note for Servicing
II. STANDARDS AND ADJUSTMENTS
C. Electrical
checking the photointerrupters
III. TROUBLESHOOTING IMAGE FAULTS
B. Sample Image Faults
C. Troubleshooting Image Faults
the back of the copy is soiled
the copy has a fixing fault
the copy has a blurred image
the copy has horizontal fogging
the copy is blank
IV. TROUBLESHOOTING MALFUNCTIONS
the scanner fails to move forward
the scanning lamp fails to turn on
the fixing heater fails to turn on
PROBLEMS
pickup assembly
B. Faulty Feeding
VI. ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS
B. Switches
C. Lamp, Heater, Motor, Etc
d. pcbs
e. adf
Check Pins by PCB
VII. SERVICE MODE
ending service mode
C. Adjustment Mode (30)
D. Operation/Inspection Mode (40)
E. Machine Settings Mode (50)
VIII. SELF DIAGNOSIS
A. GENERAL TIMING CHART
B. SIGNALS AND ABBREVIATIONS
C. GENERAL CIRCUIT DIAGRAM
D. DC CONTROLLER CIRCUIT DIAGRAM
E. ADF CONTROLLER CIRCUIT DIAGRAM
CIRCUIT DIAGRAM
G. CONTROL PANEL CIRCUIT DIAGRAM
H. AE SENSOR CIRCUIT DIAGRAM
COPYRIGHT
©
1999 CANON INC.
CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10
MAINTENANCE AND SERVICING
I.
PERIODICALLY REPLACED
PARTS ....................................... 10-1
II.
DURABLES AND
CONSUMABLES ...................... 10-1
III.
SCHEDULED SERVICING ....... 10-1
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This manual is suitable for:
NP6512
NP6612
NP7120
NP7130
NP7130F
