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LBP-1120
Canon LBP-1120 User Manual
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REVISION 0
FY8-13HT
-000
COPYRIGHT
©
2002 CANON INC. CANON
LBP-1
120
REV
.0 MA
Y
. 2002 PRINTED IN JAP
AN (IMPRIME
AU JAPON)
JUL
Y
. 2002
SER
VICE
MANUAL
LBP-1
120
2
Table of Contents
Chapter 1 Product Information
3
Table of Contents
5
Features
8
Specifications
9
II. Specifications
9
Printer
9
Safety Information
11
Handling the Laser/Scanner Unit
11
III. Safety Information
11
Ozone Safety
11
Toner Caution
11
Parts of the Printer
12
External View
12
B. Cross Section
13
V. Installation
14
A. Precautions
14
Cartridge
15
B. Storage and Handling of
15
By the Customer
17
Operation
18
Technology (CAPT)
18
Operation and Timing
19
Basic Operation
20
Chapter 2 Operation and Timing
20
Functions
20
Basic Operation Sequence
21
Power-ON Sequence
22
Engine Control System
23
Engine Controller PCB
23
High-Voltage Power Supply
23
Low-Voltage Power Supply
23
Circuit
23
B. Fixing Control Circuit
27
Protection Function
28
Protective Function
32
E. Video Interface
33
Laser/Scanner System
36
Outline
36
Laser Control Circuit
37
Horizontal Synchronization Control
38
Scanner System
40
Image Formation System
42
Outline
42
Print Process
43
Electrostatic Latent Image Formation Stage
44
Fixing Stage
48
Pickup/Feed System
50
Outline
50
Jam Detection
52
Video Control System
53
Interface Controller PCB
53
I. Preface
56
II. Externals
57
Left Cover
58
III. Main Units
60
Chapter 3 The Mechanical System
62
E. Fixing Film Unit
62
Pickup Roller
64
IV. Major Components
64
A. Arrangement of the Components
64
Separation Pad
65
Transfer Charging Roller
67
Pressure Roller
67
Switches,Sensors, and Leds
68
Arrangement of the Components
68
Paper Top Sensor/Paper-Out Sensor
69
Power Switch/Test Print Switch/Door Open Detection Switch/Paper Delivery Sensor
69
Indicator LED
69
Main Motor
71
Pick-Up Solenoid
71
VII. Pcbs
72
A. Arrangement of the Components
72
B. Interface Controller PCB
73
C. Engine Controller PCB
73
Preface
77
Chapter 4 Troubleshooting
77
Malfunction Diagnosis Flowchart
77
Initial Check
80
Test Print
81
Image Defects Troubleshooting
83
Jams Troubleshooting
89
III. Jams Troubleshooting
89
Transport Troubleshooting
92
Malfunction Troubleshooting
93
Troubleshooting
93
Malfunction Status Troubleshooting
94
Measurement and Adjustment
97
Mechanical Adjustment
97
Leds, Test Pins, Jumpers
98
Maintenance and Servicing
99
Periodic Replacement Parts
99
Expected Servicing Lives of Consumable Parts
99
Periodic Service
99
Cleaning During a Service Visit
100
Standard Tools
102
Special Tools
103
List of Lubricants and Cleaners
103
Location of Connectors
104
IX. Location of Connectors
104
Appendix
105
I. General Timing Chart
105
Engine Controller PCB
108
Interface Controller PCB
109
List of Signals
110
Engine Controller
110
Messages Table
112
Message List
112
Printing Status
113
Error Status
114
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Canon LBP-1120 Specifications
General
Print Technology
Laser
Print Resolution
600 x 600 dpi
Paper Capacity
150 sheets
Paper Capacity (A4)
150 sheets
Interface
USB
Supported OS
Windows 98/Me/2000/XP
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