Canon NP-1215 - Service Manual

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2/19/2017

Digitized in Heiloo Netherland

Main Page

Specifications3
Names of Parts6
External View6
Cross-Sectional View7
Operation8
Control Panel8
Basic Copying Operation9
Manual Feed Pick-Up Operation9
Two Sided Copying9
Warning Indicator and Required Action10
Overlay Copy Operation10
Replacing the CT Unit10
Jam Indicator10
Paper out Indicator11
Toner out Indicator11
Control Card Indicator12
Daily Inspection to be Performed by the Customer12
Image Formation Process13
Outline13
Auxiliary Processes17
Blank Exposure17
Ozone Filter17
Basic Operation18
Functions18
Outline of Electrical Circuits19
DC Controller Inputs20
DC Controller Outputs22
Basic Sequence of Operations (Direct, Continuous Copying)24
Exposure System26
Changing the Reproduction Ratio26
Lens Drive System26
Basic Lens Drive System Operation27
Scanner Drive System28
Relation between Scanner Sensor and Signals29
Basic Scanner Operation29
Scanner Motor Drive System30
Scanner Movement for Two-Page Separation Mode31
Image Formation System32
Basic Operation of Image Formation System33
Scanning Lamp Control System34
Primary/Transfer Corona Current and Grid Bias Voltage Control System35
Switching Primary/Transfer Corona Current On/Off35
Maintaining Primary/Transfer Corona Current Constant35
Controlling Developing Bias36
Controlling Grid Bias Voltage36
Controlling DC Bias37
Developing Bias Operation38
Document Density Measurement System39
Reading Output of AE Sensor39
Adjustments to AE System40
Developing Unit/Drum Cleaner41
Remaining Toner Sensor41
Torque Limiter41
Blanking42
Paper Transport System43
Paper Pick-Up Unit and Feeder43
Pick-Up and Feeder Operation44
Manual Feed Paper Pick-Up45
Cassette Size Sensor46
Fixing and Paper Delivery Units47
Operation of Fixing Unit Temperature Control System48
Jam Detection49
Pick-Up Unit Delay Jam50
Delivery Unit Stationary Jam50
DC Power Supply52
DC Power Supply Circuits52
List of Pcbs/Vrs/Leds/Check Pins53
DC Controller PCB53
Self Diagnosis54
Externals55
Covers, Panels and Doors55
Removing the Scanner Cooling Fan56
Removing the Exhaust Fan56
Drive System58
Lends Drive Unit58
Removing the Lens Drive Cable58
Attaching the Lens Drive Cable59
Scanner Drive Unit60
Removing the Scanner Drive Cable60
Installing the Scanner Drive Cable60
How to Use the Mirror Cleaning Tool61
Main Motor Assembly62
Removing the Main Motor62
Paper Pick-Up Assembly63
Removing the U Guide Plate63
Removing the Pick-Up Rollers64
Removing the Registration Rollers64
Removing the Feed Roller and Preregistration Roller65
Removing the Feeder66
Removing the Feeder Belt66
Removing the Scanning Lamp68
Removing the Thermal Fuse68
Blank Exposure Unit69
Configuration69
Preconditioning Exposure Lamp Board69
Changing/Cleaning70
Drum Cartridge70
Primary/Transfer Corona Assembly71
Developing System73
Developing Assembly73
Removing the Developing Assembly from the Copier73
Removing the Blade/Developing Cylinder/Side Seals73
Installing the Side Seals/Blade75
Fixing System76
Fixing Unit76
Removing the Fixing Unit76
Removing the Upper Fixing Roller, Heater, and Lower Fixing Roller77
Installing the Upper Fixing Heater78
Adjusting the Nip Width78
Installing the Thermistor79
Installing the Thermoswitch79
Paper Guide Position80
Removing the Oil-Applying Roller80
Removing the Upper Separation Claw81
Installing the Upper81
Removing the Lower Separation Claw81
Lubrication82
Selection of Installation Location83
Unpacking and Installing the Copier84
Preparation Required for Moving the Copier89
Installation of the Control Card90
Procedure for Changing over the Cassette Size92
Size Change Procedure93
Procedure for Installing the Document Rest Tray95
Parts to be Replaced Periodically96
Expected Service Lives of Parts and Consumables97
Basic Procedure for Periodic Servicing98
Periodic Servicing Schedule99
List of Signals/Commands102
General Circuit Diagram103
List of Speacial Tools121
List of Solvents and Materials122
Assembly Location Diagram124
Externalk Covers, Panels, Etc.126
Machine Front Plate129
Internal Components131
Machine Rear Plate137
Machine Bottom Plate140
Power Cord Terminal Ass'y142
Exhaust Fan Ass'y149
Lens Mount Assembly150
Scanner Drive Assembly154
Drum Drive Assembly156
Cassette158
Manual Feed Tray Assembly160
Manual Feed Paper Guide Ass'y161
Feeder Assembly163
Transfer Guide Assembly165
Mirror Assembly167
Blank Exposure Lamp Assembly171
Primary Corona Assembly173
Transfer Corona Assembly175
Developing Assembly (Black)177
CT Unit180
Fixing Assembly181
DC Controller PCB Assembly186
AC Driver PCB Assembly197
DC Power Supply PCB Assembly200
AE Sensor PCB Assembly203
HVT Assembly205
List of Connectors210
Numerical Index211

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Canon NP-1215 Specifications

General

Brand	Canon
Model	NP-1215
Category	Copier
Language	English

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