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Make/Model Information:

  • Brand:   Canon
  • Models included:
    • Canon LBP-1120

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English
  • Number of pages:   147
  • File size:  ∼ 9.81  MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMCN-1056

NOTE:  This list was created by program script and may not accurately represent the text from the source pages.   For full preview please click on 'Download sample':

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REVISION 0
FY8-13HT-000
JULY. 2002
SERVICE
MANUAL
LBP-1120
PREFACE
CONTENTS
CHAPTER 1 PRODUCT INFORMATION
B. Cross Section
V. INSTALLATION
A. Precautions
B. Storage and Handling of EP-22
Cartridge
VI. MAINTENANCE AND CHECKS
BY THE CUSTOMER
VII. OPERATION
A. Canon Advanced Printing
Technology (CAPT)
I. FEATURES
II. SPECIFICATIONS
A. Printer
III. SAFETY INFORMATION
A. Handling the Laser/Scanner
B. Toner Caution
C. Ozone Safety
IV. PARTS OF THE PRINTER
A. External View
CHAPTER 2 OPERATION AND TIMING
I. BASIC OPERATION
A. Functions
B. Basic Operation Sequence
C. Power-ON Sequence
II. ENGINE CONTROL SYSTEM
A. Engine Controller PCB
B. Fixing Control Circuit
C. High-Voltage Power Supply
Circuit
D. Low-Voltage Power Supply
Circuit
E. Video Interface
III. LASER/SCANNER SYSTEM
A. Outline
B. Laser Control Circuit
C. Scanner System
IV. IMAGE FORMATION SYSTEM
A. Outline
B. Print Process
V. PICK-UP/FEED SYSTEM
A. Outline
B. Jam Detection
VI. VIDEO CONTROL SYSTEM
A. Interface Controller PCB
CHAPTER 3 THE MECHANICAL SYSTEM
I. PREFACE
II. EXTERNALS
A. Arrangement of the Components 3-2
B. External Covers
III. MAIN UNITS
A. Laser/Scanner Unit
B. Drive Assembly
C. Feed Assembly
D. Delivery Assembly
E. Fixing Film Unit
IV. MAJOR COMPONENTS
A. Arrangement of the Components 3-9
B. Pickup Roller
C. Separation Pad
D. Transfer Charging Roller
E. Pressure Roller
V. SWITCHES,SENSORS, AND LEDS 3-13
A. Arrangement of the Components 3-13
B. Paper Top Sensor/
Paper-out Sensor
C. Power Switch/Test Print Switch/
Door Open Detection Switch/
Paper Delivery Sensor
D. Indicator LED
PREFACE
VI. MOTOR/SOLENOID
A. Arrangement of the Components 3-15
B. Main Motor
C. Pick-up Solenoid
VII. PCBS
A. Arrangement of the Components 3-17
B. Interface Controller PCB
C. Engine Controller PCB
D. Display PCB
CHAPTER 4 TROUBLESHOOTING
I. PREFACE
A. Malfunction Diagnosis
Flowchart
B. Initial Check
C. Test Print
II. IMAGE DEFECTS
TROUBLESHOOTING
III. JAMS TROUBLESHOOTING
IV. TRANSPORT
TROUBLESHOOTING
V. MALFUNCTION
TROUBLESHOOTING
VI. MALFUNCTION STATUS
TROUBLESHOOTING
VII. MEASUREMENT AND
ADJUSTMENT
A. Mechanical Adjustment
B. Electrical Adjustment
C. LEDs, Test Pins, Jumpers,
and Switches on PCBs
VIII. MAINTENANCE AND
SERVICING
A. Periodic Replacement
B. Expected Servicing Lives of
Consumable Parts
C. Periodic Service
D. Cleaning During a Service
E. Standard T ools
F. Special Tools
G. List of Lubricants and
Cleaners
IX. LOCATION OF CONNECTORS
APPENDIX
I. GENERAL TIMING CHART
A. Timing Chart for Printing
Two A4-size Sheet
Continuously
II. GENERAL CIRCUIT DIAGRAM
A. Engine Controller PCB
B. Interface Controller PCB
III. LIST OF SIGNALS
A. Engine Controller
IV. MESSAGES TABLE
A. Message List
CHAPTER 1
IV. PARTS OF THE PRINTER
A. External View
[1] : Multi-purpose tray [2] : Paper width guide
[3] : Manual feed slot [4] : Delivery switching lever
[5] : Face-up delivery port [6] : Cartridge cover unit
[7] : Face-down delivery tray [8] : Display unit
[9] : Delivery guide [10] : Paper pickup sub tray
[11] : USB port [12] : Power receptacle
[13] : Power switch
Figure 1-4-1
[12] [13]
CATALOG
REVISION 0
SEPT 2002 FY8-31FY-000
100V R55 - 4000 LNBA000001 -
120V R55 - 4010 JKXA000001 -
JKYA000001 -
220V R55 - 4020 KLLA000001 -
KLMA000001 -
KLPA000001 -
KLQA000001 -
220V R55 - 4030 KLNA000001 -
CONTENTS
ASSEMBLY LOCATION DIAGRAM
DISK UNIT
EXTERNAL COVERS, PANELS, ETC.
INTERNAL COMPONENTS 1
INTERNAL COMPONENTS 2
INTERNAL COMPONENTS 3
INTERNAL COMPONENTS 4
ELECTRICAL COMPONENTS ASSEMBLY
FEEDER ASSEMBLY
PCB ASS'Y LOCATION DIAGRAM
LIST OF CONNECTORS
LIST OF STANDARD FASTENERS
NUMERICAL INDEX


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