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NP6260
Canon NP6260 Service Manual
Canon NP6260 Service Manual
Table of content
Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
I. FEATURES
II. SPECIFICATIONS
Performance
Others
B. Paper Deck-A1
III. NAMES OF PARTS
B. Cross Section
IV. OPERATING THE MACHINE
B. Extended Modes
C. User Mode
V. ROUTINE MAINTENANCE BY THE USER
VII. IMAGE FORMATION
basic operation
Holding Tray Feeding
B. Outline of the Electrical Circuitry
C. Basic Sequence of Operations
Basic Sequence of Operations
Basic Sequence of Operations in Page Separation Mode
D. Main Motor (M1) Control Circuitry
Operation
E. Inputs to the DC Controller
F. Outputs from the DC Controller
G. Inputs to and Outputs from Accessories (1/1)
Table Of Contents
I. OUTLINE OF OPERATION
II. LENS DRIVE SYSTEM
Moving the Lens
III. SCANNER DRIVE SYSTEM
Scanner Sensors and the Signals
Controlling the Scanner Motor Brake
a. original size detection
Motor
Routing the Scanner Drive Cable
Removing the Scanner Drive Cable
Adjusting the Tension of the Scanner Drive Cable
Positioning the Scanner Locking Solenoid (SL1)
B. Lens Drive Assembly
Installing the Light-Blocking Belt Mount
Attaching the Lens X Direction Drive Belt
Table Of Contents
I. PROCESSES
Control Method
Potential Measurement Circuit
B. Controlling the Intensity of the Scanning Lamp
Auto Exposure Control
Making Checks
C. Controlling the Primary/Transfer Corona Current
Controlling the Transfer Corona Current
D. Controlling the Separation/Pre Transfer Corona Current
Separation/ Pre-Transfer Corona Current
of the Separation/Pre-Transfer Corona Current
E. Controlling the Blanking Exposure Lamp (LED)
f. drum heater circuit
cleaning mechanism
Screw (locking)
III. DISASSEMBLY AND ASSEMBLY
A. Scanning Lamp Assembly
Removing the Thermal Fuse
C. Pre-Exposure Lamp Unit
D. Blanking Exposure Lamp Assembly
E. Photosensitive Drum
Replacing the Drum Heater
G. Primary Charging Assembly
I. Transfer/Separation Charging Assembly
Separation Charging Assembly
J. Charging Wire
Stringing the Grid Wire of the Primary Charging Assembly
Adjusting the Height of the Charging Wire
Cleaning the Primary Charging Assembly Anti-Stray Sheet
K. Developing Assembly
Removing the Blade Unit
Installing the Blade
L. Hopper Assembly
Installing the Cleaning Blade
Installing the Side Seal
N. Separation Claw/Separation Claw Drive Assembly
Table Of Contents
I. PICK-UP/FEEDING SYSTEM
II. CASSETTE PICK-UP
Outline
B. Cassette Lifter Operation
Identifying the Size of Copy Paper
Markings on the Width Guide Rail
Paper Size
b. lifter operation
d. high-speed pick-up
A. Pick-Up Operation
B. Identifying the Size of Paper in the Multifeeder
V. CONTROLLING THE REGISTRATION CLUTCH
VI. MAKING TWO-SIDED/OVERLAY COPIES
Outline of Operation
D. Reversal Delivery
Sequence of Reversal Delivery Operations
Sided/Overlay/Reversal Delivery Copies
Jogging Plate and the Trailing Edge Guide Plate
Detecting the Presence Absence of Copy Paper
F. Re-Pick Up from the Holding Tray
G. Skipping Operation
Outline of Operations
Skipping Operation (odd number of originals)
Reversal Delivery
VII. DETECTING JAMS
Registration Roller Delay Jam
Pick-Up Vertical Path Feeding 0/1 Delay Jam
Pick-Up Vertical Path Feeding 2 through 4 Delay Jam
Fixing Assembly Outlet Delay Jam
External Delivery Delay Jam
Internal Delivery Delay Jam
Holding Tray Inlet Delay Jam
Holding Tray Re-Pick Up Delay Jam
Holding Tray Registration Stationary Jam
VIII. DISASSEMBLY AND ASSEMBLY
A. Multifeeder Assembly
B. Front Paper Deck Assembly
Removing the Pick-Up Assembly from the Copier
Removing the Feeding Roller
Adjusting the Pressure of the Separation Roller
Orientation of the Separation Roller
Roller of the Cassette/Deck Pick-Up Assembly
Releasing Solenoid of the Cassette
Removing the Pick-Up Roller
Removing the Separation Roller
Roller Assembly of the Left Deck Pick-Up Assembly
Construction
Removing the Registration Roller (upper rubber roller)
Removing the Fixing/Feeding Unit
Removing the Feeding Belt
H. Holding Tray Assembly
Removing the Holding Tray from the Copier
Removing the Re-Pick Up Roller
Removing the Holding Tray Y Motor
Removing the Y Motor Home Position Sensor
Roller/Separation Belt Assembly
Removing the Separation Belt Assembly
Separation Roller of the Holding Tray
Removing the Side Guide Plate Assembly
Removing the Holding Tray Paper Jogging Solenoid
Paper Jogging Guide Plate Assembly
the Holding Tray Assembly Paper Jogging Guide Plate
I. Holding Tray Feeding Assembly
Holding Tray Feeding Assembly
I. OUTLINE OF OPERATIONS
B. Fixing Drive Assembly
C. Controlling the Fixing Temperature
D. Reciprocating Mechanism for the Main Thermistor (TH1)
E. Reciprocating Mechanism for the Upper Separation Claw
F. SSR Error Detection Circuit for the Fixing Heater
G. Locking Operation (fixing/feeding unit)
H. Error Detection Circuit
Fixing Heater Error Activation Detection Circuit
Motor Error Rotation Detection Circuit
II. DISASSEMBLY AND ASSEMBLY
A. Fixing Assembly
Installing the Fixing Cleaning Belt
Removing the Upper Fixing Unit
Removing the Fixing Heater
Installing the Fixing Heater
Installing the Upper Fixing Roller
Removing the Lower Separation Claw Assembly
Removing the Upper Separation Claw
Adjusting the Fixing Clutch
B. Delivery Assembly
Removing the External Delivery Roller
Paper Sensor and the Internal Delivery Paper Sensor
Removing the Internal Delivery Assembly Roller
Table Of Contents
I. CONTROL PANEL
LCD Processing
Automatic Control of LCD Contrast
Touch Switch Inputs
II. FANS
III. POWER SUPPLY
B. Power Supply Circuit
C. Date/Time Display Power Supply
IV. DISASSEMBLY AND ASSEMBLY
A. External Covers
b. control panel
Removing the Touch Panel
C. Door Switch Assembly
Installing the Drum Heater Switch
Removing the Scanner Cooling Fan
Removing the Developing Fan
Removing the Cleaner Fan
Removing the Feeding Fan
E. Removing the Counter Assembly
G. Fixing/Waste Toner Drive Assembly
Removing
I. Vertical Path Drive Assembly
J. Pick-Up Drive Assembly
K. Duplexing Drive (1) Assembly
L. Lifter Drive Assembly
N. Attaching the Drive Belt
O. DC Controller PCB
P. DC Power Supply Assembly
Q. High-Voltage Transformer Assembly
R. Power Supply Inlet Assembly
I. SIDE PAPER DECK
Outputs from the Side Deck Driver (1/1)
B. Pick-Up
Sequence of Operations (deck pick-up)
C. Detection of Paper for the Deck
standby
Removing the Front Cover
Removing the Vertical Path Cover (rear)
Removing the Upper Cover
B. Paper Deck
Removing the Compartment
Changing the Deck Paper Size
Adjusting the Deck Registration
C. Drive System
Removing the Deck Main Motor (M101)
Removing the Deck Lifter Motor (M102)
Routing the Lifter Cable
D. Feeding System
Orientation of the Deck Pick-Up Roller
Removing the Deck Feeding Roller
Removing the Deck Separation Roller
Removing the Deck Pick-Up Roller
E. Electrical System
I. SELECTING THE SITE
II. UNPACKING AND INSTALLING
A. Unpacking
B. Installing the Scanner
C. Installing the Fixing Assembly
D. Installing the AP Kit and the Charging Assemblies
E. Installing the Copy Tray
F. Checking the Developing Assembly
G. Installing the Pick-Up Assembly
H. Supplying Toner
installation procedure
PARTS
II. CONSUMABLES AND DURABLES
SCHEDULED SERVICING TABLE
SCHEDULED SERVICING CHART
Table Of Contents
I. MAINTENANCE AND INSPECTION
B. Points to Note for Scheduled Servicing
II. STANDARDS/ADJUSTMENTS
Registration (left/right front deck paper deck, cassette)
Adjusting the Left/Right Registration (paper deck-A1)
Adjusting the Left/Right Margin
Executing AE Automatic Adjustment
Adjusting the AE Slope
B. Exposure System
Orientation of the Heat Absorbing Glass
Adjusting the Position of the Mirror
Cleaning the Mirror (No. 5 mirror)
Routing the Lens X Direction Drive Belt
c. image formation system
Cleaning the Cleaner Side Scraper
d. pick-up/feeding system
Solenoid (cassette)
Pick-Up Roller Releasing Solenoid (front paper deck)
Pick-Up Roller Releasing Solenoid (multifeeder)
Side Guide (multifeeder assembly)
Holding Tray Paper Deflecting Plate Drive Solenoid
Holding Tray Paper Jogging Plate
Holding Tray Paper Jogging Plate Solenoid
E. Fixing System
Adjusting the Lower Roller Pressure (nip)
F. Electrical System
Checking the Potential System
Potential Control System Conversion Table
Checking the Environment Sensor
Checking the Photointerrupters
IMAGE FAULTS
Cover, Copyboard Glass, and Standard White Plate
B. Sample Image Faults
C. Troubleshooting Image Faults
The copy is too light (including solid black)
The copy has an uneven density (darker at front)
The copy is foggy. (overall)
The copy has vertical fogging
The copy has a soiled back
The copy has fixing faults
displaced leading edge registration
The copy is blurred and fuzzy
The copy has horizontal fogging
The copy is blank
TROUBLESHOOTING MALFUNCTIONS
E015
E020
E030 (The total copy counter fails to turn on.)
E043 (Paper deck-A1)
E050
E202 (The keys on the control panel are locked.)
E210 (fault in lens X direction drive system)
E240
E713
AC power is absent
DC power supply is absent
Pick-up fails. (deck pick-up front paper deck + cassette)
Pick-up fails. (cassette pick-up)
Pick-up fails. (multifeeder)
The vertical path roller fails to rotate
The scanner fails to move forward
The blanking exposure lamp fails to turn on
The scanning lamp fails to turn on
The hopper motor (M10) fails to operate
The hopper motor (M11) fails to operate
The lens fails to move
The Add Toner indicator fails to turn on
The Set Control Card message fails to turn off
The fixing heater fails to operate
Pick-up fails. (paper deck-A1)
The deck lifter fails to move up. (paper deck-A1)
V. TROUBLESHOOTING FEEDING PROBLEMS
Pick-Up Assembly
Separation/Feeding Assembly
Fixing/Delivery Assembly
Cleaning Assembly
B. Feeding Faults
VI. ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS
A. Sensors
C. Motors and Fans
D. Clutches
E. Lamps, Heaters, and Photosensors
f. pcbs
G. Paper Deck-A1
Motors, Clutches, Solenoids and PCBs
and Check Pins by PCB
AC Driver PCB
Control CPU PCB
Holding Tray Driver PCB
Potential Measurement PCB
HVT1 PCB
HVT2 PCB
Lamp Regulator PCB
VII. SERVICE MODE
B. Using Service Mode
f. adjustment mode
VIII. SELF DIAGNOSIS
B. RDF-D1
C. Sorter
A. GENERAL TIMING CHART I
B. SIGNALS AND ABBREVIATIONS
Abbreviations
C. GENERAL CIRCUIT DIAGRAM
CHAPTER 11
TROUBLESHOOTING
11-151
5.
Holding Tray Driver PCB
Figure 11-615
J201
J202
J203
J204
J205
J206
J207
J208
J209
J210
1
4
B13
B1
1
5
A1
A13
1
13
1
10
3
1
6
1
9
1
7
1
3
1
COPYRIGHT
©
1997 CANON INC.
CANON NP6560/NP6360/NP6260 REV. 0 NOV. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
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This manual is suitable for:
NP6260
NP6360
NP6560
