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Canon NP6218 Manuals
Manuals and User Guides for Canon NP6218. We have
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Canon NP6218 manuals available for free PDF download: Service Manual, Service Handbook
Canon NP6218 Service Manual (389 pages)
Brand:
Canon
| Category:
Printer
| Size: 4.67 MB
Table of Contents
Table of Contents
7
System Configuration
5
Chapter 1 General Description
16
Features
16
Specifications
17
II. Specifications
17
Copier
17
System
17
Type
17
Features
18
Others
19
Cassette Feeding Module-B2/Cassette Feeding Module-A2
20
Names of Parts
21
III. Names of Parts
21
Exterior View
21
Cross Section
22
Body
22
Cassette Feeding Module-A2
23
Operation
24
IV. Operation
24
Control Panel
24
Operation Mode
25
Making Two-Sided/Overlay Copies (Manual)
26
User Mode
27
Outline
27
Changing the Auto Clear Time ( )
28
Changing the Auto Power-Off Time ( )
28
Common Operations
28
Zoom Fine-Adjustment ( )
29
Cleaning the Feeder (with ADF Installed—Option) ( )
31
Non-Sort (with ADF and Sorter Installed—Option) ( )
31
Adjustment Method for Standard Mode ( )
32
Initializing User Mode ( )
32
Quick Guide to User Mode
33
Handling the Toner Bottle
34
Warnings and Actions
34
Routine Maintenance by the User
34
Image Formation
35
Outline
35
Chapter 2 Basic Operation
38
Basic Construction
39
Functional Construction
39
Outline of the Electrical Circuitry
40
Basic Sequence of Operations (2 Copies Continuous, AE)
41
Outline
42
Main Motor Control Circuit
42
Mechanism
42
Inputs to the DC Controller PCB (1/3)
43
Inputs to the DC Controller PCB
43
Inputs to the DC Controller PCB (2/3)
44
Inputs to the DC Controller PCB (3/3)
45
Outputs from the DC Controller PCB
46
Inputs to and Outputs from the 1-Cassette Unit Driver PCB
49
Inputs to and Outputs from the 1-Cassette Unit Driver PCB (1/1)
49
Inputs to and Outputs from the 2-Cassette Unit Driver PCB
50
Inputs to and Outputs from the 2-Cassette Unit Driver PCB (1/2)
50
Inputs to and Outputs from the 2-Cassette Unit Driver PCB (2/2)
51
Chapter 3 Exposure System
53
Basic Operation
54
Varying the Reproduction Ratio
54
Lens Drive System
54
Outline
54
Lens Motor Drive Circuit
56
Driving the Lens Motor
56
Keeping the Lens Motor Stationary
56
Basic Sequence of Operations (Lens Drive System; Non-Direct)
57
Scanning Drive System
58
Driving the Scanner
58
Outline
58
Basic Sequence of Operations (Scanner)
59
Relationship between the Scanner Sensor and Signals
59
Driving the Scanner Motor
60
Scanner Operations in Page Separation Mode (Non-AE, Page Separation, A4, 2 Copies)
61
Separation Mode (Non-AE Page Separation, A4, 2 Copies)
61
Disassembly and Assembly
62
Detaching the Scanner Drive Motor
62
Scanner Drive Assembly
62
Detaching the Scanner Cable
63
Assembling the Mirror Position Tool
65
Routing the Scanner Cable
66
Mirrors (Optical Length of no 1, 2, and 3 Mirrors)
69
Mirror
70
Cleaning the Scanner
70
Detaching the Lens Drive Motor
71
Lens Drive Assembly
71
Routing the Lens Cable
73
Adjusting the Position of the Change Solenoid
74
Chapter 4 Image Formation System
76
Processes
77
Outline
77
Basic Sequence of Operations (Image Formation System)
79
Controlling the Scanning Lamp
80
Outline
80
Pre-Heating Control (Scanning Lamp)
81
Sequence of Operations (Scanning Lamp Pre-Heating Control; AE, A4, Continuous, 2 Copies)
81
Turning on and off the Scanning Lamp
81
Controlling the Intensity of the Scanning Lamp (FL1)
83
Controlling the Fluorescent Lamp Heater
84
Fluorescent Lamp Automatic
85
Fluorescent Lamp Protection Mechanism
85
Controlling the Primary Charging Roller Bias
86
Outline
86
Turning on and off the Primary Charging Roller Bias
87
Controlling the Primary Charging Roller Bias to a Constant Voltage
87
Switching the Primary Charging Roller Bias Application Voltage Level
87
Application Voltage Level
88
Automatic Correction
88
Controlling the Transfer Roller Bias
89
Outline
89
Bias
90
Turning on and off the Transfer Roller Bias
91
Controlling the Transfer Bias to a Constant Voltage
91
Controlling the Transfer Bias Voltage Level Correction (ATVC Control)
91
Current Limiter Circuit (Transfer Bias)
91
Current Limiter Circuit (Cleaning Bias)
91
Controlling the Static Eliminator Bias
92
Outline
92
Switching the Static Eliminator Bias Voltage Level
93
Ensuring Proper Separation of Thin Paper
93
Controlling Blank Exposure
94
Outline
94
Blanking (Whiting) of Non-Image Areas for Reduction
95
Blanking (Whiting) out the Leading/Trailing Edges and between Copies
95
Controlling the Primary Corona Roller Cleaning Mechanism
96
Outline
96
Primary Charging Roller Cleaning Operation
96
Releasing the Transfer Roller
97
II. Developing Assembly and Cleaning Assembly
98
Outline
98
Developing Assembly and Cleaning Assembly
98
Controlling the Toner Level Detection
99
Controlling the Development Bias
101
Bias and Controlling the Voltage to a Constant Level
101
Outline
101
Voltage to a Constant Level
101
Controlling the Voltage Level of the DC Component of the Development Bias
102
Turning on and off the AC Component of the Development Bias
102
Automatic Control of Copy Density
103
Control Method
103
Outline
103
AE Adjustment
105
Disassembly and Assembly
106
Illumination Assembly
106
Lamp/Fluorescent Lamp Heater
106
The Fluorescent Lamp Heater/Scanning Lamp
108
Detaching the Blank Exposure Assembly
110
Detaching the Blank Exposure Lamp
111
Detaching the Blank Shutter Solenoid
112
Positioning the Left/Right Margin
114
Drum Unit
115
Cleaning
116
Primary Corona Assembly
117
Cleaning the Cleaning Pad and the Primary Corona Roller
118
Transfer Charging Assembly
120
Developing System
123
Removing the Blade Assembly
123
Removing the Developing Assembly
123
Removing the Developing Cylinder Side Seal
124
Installing the Side Seal and the Blade Assembly
127
Chapter 5 Pick-Up/Feeding System
129
Pick-Up/Feeding System
130
Outline
130
Pick-Up/Feeding System
131
II. Pick-Up Operation (Copier)
132
Outline
132
Pick-Up Operation (Copier)
132
Sequence of Operations (Pick-Up/ Feeding Assembly; A4, 2 Copies)
133
Pick-Up from the Cassette Feeding Module-A2
134
Pick-Up Operation
134
Sequence of Operations (Cassette 2; A4, 2 Copies)
135
Multifeeder
136
Outline
136
Identifying the Size of Paper on the Multifeeder
137
Sequence of Operations
138
Sequence of Operations (Multifeeder; A4, 2 Copies)
138
Identifying the Cassette Size
139
Identifying Jams
141
Pre-Registration Delay Jam
141
Pre-Registration Stationary Jam
142
Pre-Registration Timing Jam
142
Separation Delay Jam
143
Separation Stationary Jam
143
Delivery Delay Jam
144
Delivery Stationary Jam
144
Solenoid
138
Disassembly and Assembly
145
Pick-Up Assembly
145
Detaching the Pick-Up Roller Unit
145
Detaching the Pick-Up Roller
148
Detaching the Pick-Up Clutch
149
Points to Note When Attaching the Pick-Up Roller
149
Detaching the Separation Pad
150
Adjusting the Left/Right Registration
151
Multifeeder Assembly
152
Detaching the Multifeeder Assembly
152
Detaching the Multifeeder Pick-Up Roller Unit
153
Detaching the Multifeeder Pick-Up Roller
154
Detaching the Separation Pad
155
Points to Keep Note When Attaching the Multifeeder Pick-Up Roller
155
Detaching the Multifeeder Drive Unit
156
Detaching the Multifeeder Clutch
157
Assembly (Paper Guide Plate Cam)
158
Adjusting the Left/Right Registration
159
The Multifeeder Assembly Rack Plate
159
Detaching the Registration Clutch
160
Detaching the Upper Registration Roller
160
Registration Roller Assembly
160
Detaching the Lower Registration Roller
162
Feeding Assembly
163
Detaching the Pick-Up Clutch
165
Detaching/Attaching the Pick-Up Roller
165
Chapter 6 Fixing System
166
Fixing System
166
Basic Operations
167
Outline
167
Controlling the Fixing Heater Temperature
169
Controlling the Supply Power for the Fixing Heater
171
Detecting Overheating at the End of the Fixing Heater
172
Protection Mechanism
172
Heater on Detection Circuit (230V Model Only)
172
Thermal Fuse (FU1)
172
Thermistor (TH1, TH2)
172
Correcting Displacement of the Fixing Film
173
Outline
173
Controlling the Fixing Film Motor
176
Disassembly and Assembly
177
Fixing Assembly
177
Construction1
177
Detaching the Upper Fixing Unit
178
Plate
179
Detaching the Fixing Film, Tension Roller, Drive Roller, Fixing Cleaning Brush, and Fixing Heater Unit
179
Points to Note When Attaching the Fixing Film
186
Points to Note When Attaching the Heater Connector
186
Points to Note When Replacing the Fixing Upper Unit
187
Adjusting the Fixing Film Drive Roller Pressure
187
Detaching the Lower Fixing Unit
189
Detaching the Separation Claw/Lower Fixing Claw and Fixing Cleaning Roller
190
Adjusting the Lower Fixing Roller Nip
191
Delivery Assembly
193
Chapter 7 Externals/Auxiliary Mechanisms
195
E. Cassette Unit
195
Power Supply
196
Outline
196
Power Supply Circuit Assembly
197
Detecting Errors in the Power Supply PCB
199
Communication Error between DC Controller PCB and Composite Power Supply PCB
199
Error in the High-Voltage Output Data
199
Low-Voltage Output Data Error
199
Overcurrent in the Low-Voltage Power Supply
199
Protection Mechanisms for the Power Supply Circuit
200
Disassembly and Assembly
201
External Covers
201
Control Panel
204
Detaching the Control Panel
204
Fans
205
Detaching the Exhaust Fan
205
Main Motor/Main Drive Assembly
206
Detaching the Main Drive Assembly
206
Detaching the Main Motor Unit
206
Routing the Drive Belt
208
Detaching the Pick-Up Drive Unit
209
Cassette Unit
209
Detaching the Cassette Motor
210
Detaching the Cassette Driver PCB
211
DC Controller PCB
212
Composite Power Supply PCB
213
The Composite Power Supply PCB
215
AE Sensor PCB
216
Points to Note When Replacing the AE Sensor
216
Intensity Sensor PCB
216
Points to Note When Replacing the Intensity Sensor
216
Chapter 8 Installation
218
Selecting the Site
219
Unpacking and Installing the Copier
220
Unpacking and Removing Fixings
220
Turning on the Copier
223
Checking the Images and Operations
226
Attaching the Drum Unit
227
Changing the Cassette Size
228
Relocating the Copier
231
Replacing the Drum Unit
232
Installing the Control Card IV N
235
Cassette Heater Kit
237
VI. Cassette Heater Kit 5 Installation Procedure
237
Unpacking
237
Installation (to a Cassette Feeding Module-A2/B2)
238
Installing the Remote
244
Unpacking
244
Installation to the Copier
245
Chapter 9 Maintenance and Servicing
257
I. Periodically Replaced Parts
257
II. Durables
257
Periodically Replaced Parts
258
Durables
259
Copier
259
Cassette Feeding Module-B2/Cassette Feeding Module-A2
260
Periodical Servicing
261
Servicing Chart
262
Notes on Drum Kit
263
Chapter 10 Troubleshooting
264
Maintenance and Inspection
264
I. Maintenance and Inspection
267
Image Adjustment Basic Procedure
267
Periodical Servicing
268
Standards and Adjustments
269
Image Adjustment
269
Adjusting the Image Leading Edge Margin ([3], No.305; Registration on Timing)
269
Adjusting the Leading Edge Non-Image Width
270
Timing)
270
Adjusting the Image Trailling Edge Non-Image Width
271
Timing)
271
Adjusting the Left/Right Registration
272
Adjusting the Left/Right Margin (No.311; Left/Right Margin)
273
Adjusting the Scanning Lamp Intensity
274
AE Adjustment
275
Exposure System
279
Routing the Scanner Drive Cable
279
Adjusting the Mirror Position
280
Adjusting the Scanner Cable Tension
281
Assembling the Mirror Positioning Tool
281
Points to Note When Attaching the Fluorescent Lamp Heater/Scanning Lamp
282
Positioning the Change Solenoid
284
Image Formation System
285
Positioning the Blank Shutter Solenoid
285
Positioning the Solenoid for the Primary Charging Roller
286
Routing the Blank Shutter Cable
286
After Replacing the Drum Unit
287
Attaching the Drum Heater
287
Pick-Up/Feeding System
289
Orientation of the Multifeeder Pick-Up Roller
289
Orientation of the Pick-Up Roller
289
Positioning the Paper Guide Plate Cam (Multifeeder)
290
Fixing System
291
Points to Note When Attaching the Fixing Film
291
Points to Note When Attaching the Heater Connector
291
Adjusting the Fixing Film Drive Roller Pressure
292
Points to Note after Replacing the Fixing Upper Unit
293
Adjusting the Nip
294
Routing the Drive Belt
295
Storing the Fixing Heater Registance
295
Setting the Fixing Heater Temperature Control Value
296
Electrical
299
After Replacing the PCB
299
Clearing the Back-Up RAM
299
Checking the Photointerrupters
300
Adjusting the Multifeeder Paper Width Sensor
307
Initial Checks
309
Site Environment
309
Checking the Originals
309
Checking the Copyboard Cover and the Copyboard Glass
309
Checking the Paper
309
Others
310
Troubleshooting Image Faults
309
Samples of Image Faults
312
Troubleshooting Faulty Images
313
The Copy Is too Light (Half-Tone Only)
313
The Copy Is too Light (Black Solid Also)
314
The Copy Is too Light (Overall, Extremely)
314
The Copy Has Uneven Density (Front too Dark)
316
The Copy Has Uneven Density (Front too Light)
316
The Copy Is Foggy (Overall)
317
The Copy Is Foggy (Vertical)
318
The Copy Has Black Lines (Vertical; Thick Fuzzy Lines)
318
The Copy Has Black Lines (Vertical, Fine)
318
The Copy Has White Spot (Vertical)
319
The Copy Has White Lines (Vertical)
319
The Copy Has White Spots (Horizontal)
320
The Back of the Copy Is Soiled
321
The Copy Has a Fixing Fault
322
The Leading Edge of the Copy Is Displaced
322
The Copy Has a Blurred Image
323
The Copy Is Foggy (Horizontal)
324
The Copy Has Poor Sharpness
325
The Copy Is Blank
326
The Copy Is Solid Black
326
Troubleshooting Malfunctions
327
E000
327
E001
328
E002, E003
328
E004
329
E007
329
Sensors
329
E010
330
E030
330
E064
331
E202 (Keys on Control Panel Invalidated)
331
E210
332
E220
332
E240
332
E261
333
E710, E711, E712, E717
333
E803
333
AC Power Supply Is Absent
334
DC Power Supply Is Absent
335
The Blank Shutter Fails to Move
336
The Photosensitive Drum Fails to Rotate
336
The Pick-Up Operation Fails (from Cassette)
337
The Pick-Up Operation from the Multifeeder Fails
337
The Scanner Fails to Move Forward/In Reverse
338
The Registration Roller Fails to Rotate
338
The Scanning Lamp Fails to Turn on
339
The Lens Fails to Move
339
The Add Paper Indicator Fails to Turn off
340
The Fixing Heater Fails to Operate
340
The Pre-Exposure Lamp Fails to Turn on
340
The Jam Message Fails to Turn off
341
Troubleshooting Feeding Problems
342
Jams (Copy Paper)
342
Pick-Up Assembly
343
Fixing/Delivery Assembly
344
Separation/Feeding Assembly
344
Feeding Faults
345
Double Feeding
345
Wrinkling
345
Of the Electrical Parts
346
Sensors
346
Clutches, Solenoids, and Switches
348
Switches
348
C. Motors, Heaters, and Lamps
350
Pcbs
352
Cassette Feeding Module-A2
354
DC Controller PCB
356
Service Mode
358
Outline
358
Using Service Mode
358
Activating Service Mode
358
Adjustment Mode [3]
358
Counter Mode [6]
358
Clearing Stored Error
359
Selecting a Service Mode
359
Selecting Items
359
Using Adjustment Mode
359
Using Operation/Inspection
359
Control Display Mode [1]
361
I/O Mode [2]
363
Adjustment Mode [3]
366
Operation/Inspection Mode [4]
369
Specification Settings Mode [5]
371
Counter Mode [6]
372
Self Diagnosis
373
Copier
373
Self Diagnosis (ADF)
377
Self Diagnosis (Sorter)
378
A. General Timing Chart
382
B. Signals and Abbreviations
383
C. General Circuit Diagram
384
D. Special Tools
386
E. Solvents/Oils
387
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Canon NP6218 Service Handbook (94 pages)
Brand:
Canon
| Category:
Printer Accessories
| Size: 1 MB
Table of Contents
Table of Contents
3
Chapter 1 Maintenance and Inspection
5
Image Adjustment Basic Procedure
5
Chapter 2 Standards and Adjustments
7
Image Adjustment
7
Adjusting the Image Leading Edge Margin ([3], No.305; Registration on Timing)
7
Adjusting the Leading Edge Non-Image Width ([3], No.306; Blank Shutter on Timing)
8
Adjusting the Image Trailling Edge Non-Image Width
9
Timing)
9
Adjusting the Left/Right Registration
10
Adjusting the Left/Right Margin (No.311; Left/Right Margin)
11
Adjusting the Scanning Lamp Intensity
12
AE Adjustment
13
Exposure System
17
Routing the Scanner Drive Cable
17
Adjusting the Mirror Position
18
Adjusting the Scanner Cable Tension
19
Assembling the Mirror Positioning Tool
19
Points to Note When Attaching the Fluorescent Lamp Heater/Scanning Lamp
20
Positioning the Change Solenoid
22
Image Formation System
23
Positioning the Blank Shutter Solenoid
23
Routing the Blank Shutter Cable
24
Positioning the Solenoid for the Primary Charging Roller
24
After Replacing the Drum Unit
25
Attaching the Drum Heater
25
Pick-Up/Feeding System
27
Orientation of the Pick-Up Roller
27
Orientation of the Multifeeder Pick-Up Roller
27
Positioning the Paper Guide Plate Cam (Multifeeder)
28
Fixing System
29
Points to Note When Attaching the Fixing Film
29
Points to Note When Attaching the Heater Connector
29
Adjusting the Fixing Film Drive Roller Pressure
30
Points to Note after Replacing the Fixing Upper Unit
31
Adjusting the Nip
32
Routing the Drive Belt
33
Storing the Fixing Heater Registance
33
Setting the Fixing Heater Temperature Control Value
34
Electrical
37
After Replacing the PCB
37
Clearing the Back-Up RAM
37
Checking the Photointerrupters
38
Adjusting the Multifeeder Paper Width Sensor
45
Setting the Paper Size for the Universal Cassette
46
Chapter 3 Arrangement and Functions of the Electrical Parts
47
Sensors
48
Clutches, Solenoids, and Switches
50
Motors, Heaters, and Lamps
52
Pcbs
54
Cassette Feeding Module-A2
56
Chapter 4 Service Mode
61
Outline
61
Using Service Mode
61
Activating Service Mode
61
Selecting a Service Mode
62
Selecting Items
62
Using Operation/Inspection Mode [4]
62
Recording on the Service Mode Label
63
Control Display Mode [1]
64
I/O Mode [2]
66
Adjustment Mode [3]
69
Operation/Inspection Mode [4]
72
Specification Settings Mode [5]
74
Counter Mode [6]
75
Self Diagnosis (Sorter)
82
Chapter 5 Self Diagnosis
85
Appendix
85
System
89
Features
90
Cassette Feeding Module-B2/ Cassette Feeding Module-A2
90
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