Canon NP-1215 Manuals

Manuals and User Guides for Canon NP-1215. We have 1 Canon NP-1215 manual available for free PDF download: Service Manual

Canon NP-1215 Service Manual

Canon NP-1215 Service Manual (215 pages)

Brand: Canon | Category: Copier | Size: 7.96 MB

Table of Contents

3
Specifications
6
Names of Parts
6
External View
7
Cross-Sectional View
8
Operation
8
Control Panel
9
Basic Copying Operation
9
Manual Feed Pick-Up Operation
9
Two Sided Copying
10
Warning Indicator and Required Action
10
Overlay Copy Operation
10
Replacing the CT Unit
10
Jam Indicator
11
Paper Out Indicator
11
Toner Out Indicator
12
Control Card Indicator
12
Daily Inspection to Be Performed By the Customer
13
Image Formation Process
13
Outline
17
Auxiliary Processes
17
Blank Exposure
17
Ozone Filter
18
Basic Operation
18
Functions
19
Outline of Electrical Circuits
20
DC Controller Inputs
22
DC Controller Outputs
24
Basic Sequence of Operations (Direct, Continuous Copying)
26
Exposure System
26
Changing the Reproduction Ratio
26
Lens Drive System
27
Basic Lens Drive System Operation
28
Scanner Drive System
29
Relation Between Scanner Sensor and Signals
29
Basic Scanner Operation
30
Scanner Motor Drive System
31
Scanner Movement for Two-Page Separation Mode
32
Image Formation System
33
Basic Operation of Image Formation System
34
Scanning Lamp Control System
35
Primary/Transfer Corona Current and Grid Bias Voltage Control System
35
Switching Primary/Transfer Corona Current On/Off
35
Maintaining Primary/Transfer Corona Current Constant
36
Controlling Developing Bias
36
Controlling Grid Bias Voltage
37
Controlling DC Bias
38
Developing Bias Operation
39
Document Density Measurement System
39
Reading Output of AE Sensor
40
Adjustments to AE System
41
Developing Unit/Drum Cleaner
41
Remaining Toner Sensor
41
Torque Limiter
42
Blanking
43
Paper Transport System
43
Paper Pick-Up Unit and Feeder
44
Pick-Up and Feeder Operation
45
Manual Feed Paper Pick-Up
46
Cassette Size Sensor
47
Fixing and Paper Delivery Units
48
Operation of Fixing Unit Temperature Control System
49
Jam Detection
50
Pick-Up Unit Delay Jam
50
Delivery Unit Stationary Jam
52
DC Power Supply
52
DC Power Supply Circuits
53
List of Pcbs/Vrs/Leds/Check Pins
53
DC Controller PCB
54
Self Diagnosis
55
Externals
55
Covers, Panels and Doors
56
Removing the Scanner Cooling Fan
56
Removing the Exhaust Fan
58
Drive System
58
Lends Drive Unit
58
Removing the Lens Drive Cable
59
Attaching the Lens Drive Cable
60
Scanner Drive Unit
60
Removing the Scanner Drive Cable
60
Installing the Scanner Drive Cable
61
How to Use the Mirror Cleaning Tool
62
Main Motor Assembly
62
Removing the Main Motor
63
Paper Pick-Up Assembly
63
Removing the U Guide Plate
64
Removing the Pick-Up Rollers
64
Removing the Registration Rollers
65
Removing the Feed Roller and Preregistration Roller
66
Removing the Feeder
66
Removing the Feeder Belt
68
Removing the Scanning Lamp
68
Removing the Thermal Fuse
69
Blank Exposure Unit
69
Configuration
69
Preconditioning Exposure Lamp Board
70
Changing/Cleaning
70
Drum Cartridge
71
Primary/Transfer Corona Assembly
73
Developing System
73
Developing Assembly
73
Removing the Developing Assembly From the Copier
73
Removing the Blade/Developing Cylinder/Side Seals
75
Installing the Side Seals/Blade
76
Fixing System
76
Fixing Unit
76
Removing the Fixing Unit
77
Removing the Upper Fixing Roller, Heater, and Lower Fixing Roller
78
Installing the Upper Fixing Heater
78
Adjusting the Nip Width
79
Installing the Thermistor
79
Installing the Thermoswitch
80
Paper Guide Position
80
Removing the Oil-Applying Roller
81
Removing the Upper Separation Claw
81
Installing the Upper
81
Removing the Lower Separation Claw
82
Lubrication
83
Selection of Installation Location
84
Unpacking and Installing the Copier
89
Preparation Required for Moving the Copier
90
Installation of the Control Card
92
Procedure for Changing Over the Cassette Size
93
Size Change Procedure
95
Procedure for Installing the Document Rest Tray
96
Parts to Be Replaced Periodically
97
Expected Service Lives of Parts and Consumables
98
Basic Procedure for Periodic Servicing
99
Periodic Servicing Schedule
102
List of Signals/Commands
103
General Circuit Diagram
121
List of Speacial Tools
122
List of Solvents and Materials
124
Assembly Location Diagram
126
Externalk Covers, Panels, Etc.
129
Machine Front Plate
131
Internal Components
137
Machine Rear Plate
140
Machine Bottom Plate
142
Power Cord Terminal Ass'y
149
Exhaust Fan Ass'y
150
Lens Mount Assembly
154
Scanner Drive Assembly
156
Drum Drive Assembly
158
Cassette
160
Manual Feed Tray Assembly
161
Manual Feed Paper Guide Ass'y
163
Feeder Assembly
165
Transfer Guide Assembly
167
Mirror Assembly
171
Blank Exposure Lamp Assembly
173
Primary Corona Assembly
175
Transfer Corona Assembly
177
Developing Assembly (Black)
180
CT Unit
181
Fixing Assembly
186
DC Controller PCB Assembly
197
AC Driver PCB Assembly
200
DC Power Supply PCB Assembly
203
AE Sensor PCB Assembly
205
HVT Assembly
210
List of Connectors
211
Numerical Index

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