Sign In
Upload
Manuals
Brands
Canon Manuals
Printer
NP6621
User Manuals: Canon NP6621 Laser Copier Cartridges
Manuals and User Guides for Canon NP6621 Laser Copier Cartridges. We have
3
Canon NP6621 Laser Copier Cartridges manuals available for free PDF download: Service Manual, Service Handbook
Canon NP6621 Service Manual (340 pages)
Brand:
Canon
| Category:
Printer
| Size: 3.98 MB
Table of Contents
Table of Contents
5
Chapter 1 General Description
11
Features
11
Specifications
12
Copier
12
Cassette Feeding Module-B2/ Cassette Feeding Module-A2/Cassette Feeding Unit-K1
15
Cassette Feeding Module-B2: 585
15
Paper Deck Pedestal-K1
16
Names of Parts
17
Exterior
17
Cross Section
18
Basic Operation
23
Control Panel
23
Making Copies
26
Using the Stack Bypass
27
User Mode
29
Auto Clear Time
30
Auto Energy Saver Time
30
Initializing User Mode
35
Warnings and Actions
36
Jam Indicator
36
B. Cleaning the Static Charge
43
Cleaning the Static Charge Eliminator
43
Routine Cleaning
44
Chapter 2 Copying Process
45
Image Formation
47
Outline
47
Latent Static Image Formation Block
48
Step 1 (Pre-Exposure)
49
Step 2 (Primary Charging)
49
Step 3 (Image Exposure)
50
Step 4 (Development)
50
Step 5 (Transfer)
51
Step 6 (Separation)
52
Step 7 (Fixing)
53
Step 8 (Drum Cleaning)
53
Auxiliary Process
54
Blank Exposure
54
Chapter 3 Operations and Timing
55
Basic Operations
57
Functional Construction
57
Outline of Electrical Circuitry
58
Inputs to the DC Controller
59
Outputs from the DC Controller
64
Inputs to and Outputs from the Cassette Feeding Module-B2 Driver PCB
69
Inputs to and Outputs from the Cassette Feeding Module-A2 Driver PCB
70
Inputs to and Outputs from the Cassette Feeding Unit-K1 Driver PCB
72
Main Motor Control Circuit
77
Basic Sequence of Operations (2 Copies, Continuous, AE)
78
Original Size Detecton Control
80
Exposure System
83
Varying the Reproduction Ratio
83
Lens Drive System
83
Lens Motor Drive Circuit
85
Scanner Drive System
87
Driving the Scanner Motor
89
Operations of the Scanner in Page Separation Mode
90
Image Formation System
91
Outline
91
Sequence of Operations (Image Formation System)
92
Controlling the Scanning Lamp
93
Controlling the Primary Charging Roller
94
Controlling the Transfer Roller Bias
97
Controlling the Static Eliminator Bias
100
Controlling the Developing Bias
102
Copy Density Automatic Control
104
Developing/Cleaning Assembly
106
Blank Exposure Control
109
Primary Charging Roller Cleaning Control
111
Transfer Roller Locking/Releasing Control
112
Pick-Up/Feeding System
113
Pick-Up from the Machine
113
Making Two-Sided Copies (1Copy)
117
Duplexing Unit
119
Pick-Up from the Cassette Feeding Module-A2
128
Pick-Up from the Cassette Feeding Unit-K1
130
Paper Deck Pedestal-K1
132
Lifter Operation
135
Multifeeder
138
Identifying the Size of the Cassette
141
Fixing/Delivery Assembly
143
Detecting Jams
148
Delivery Delay Jam
153
Delivery Stationary Jam
154
Power Supply
157
Outline of Power Distribution
157
Power Supply Circuitry
158
Detecting Errors on the Power Supply PCB
159
Protection Mechanisms for the Power Supply Circuit
160
Service Mode
161
VI. Service Mode
161
Outline
161
Using Service Mode
161
Control Display Mode ('1')
163
I/O Mode ('2')
166
Adjustment Mode ('3')
170
Operation/Inspection Mode ('4')
173
Machine Settings Mode ('5')
174
Counter Mode ('6')
176
VII.self Diagnosis
177
Copier Self Diagnosis
177
Self Diagnosis on the Cassette Feeding Unit
180
RDF/ADF Self Diagnosis
181
Sorter Self Diagnosis
182
Standards and Adjustments
183
Electrical
183
Checking the Photointerrupters
189
Chapter 4 Mechanical System
191
External Covers
193
Externals
193
Control Panel
194
Removing the Display Panel
194
Fan
195
Removing the Exhaust Fan
195
Removing the Scanner Cooling Fan
195
Counter
196
Drive System
197
Scanner Drive System
197
Routing the Scanner Cable
199
Lens Drive Assembly
202
Routing the Lens Cable
204
Main Motor
206
Pick-Up/Feeding System
207
Pick-Up Assembly
207
Removing the Separation Pad
208
Multifeeder Assembly
209
Registration Roller Assembly
212
Feeding Assembly
214
Delivery Assembly
214
Duplexing Assembly
215
Cassette Unit
216
Paper Deck Pedestal-K1
219
Points to Note
223
Removing the Feeding Roller
223
Removing the Separation Roller
224
Exposure System
226
Illuminating Assembly
226
Routing the Blank Shutter Cable
228
Charging System
230
Drum Unit
230
Primary Charging Assembly
231
Transfer Charging Assembly
232
Drum Heater
233
Developing System
234
Removing the Blade Assembly
234
Removing the Developing Assembly
234
Removing the Developing Cylinder
235
Fixing System
237
Removing the Fixing Roller
238
VIII.electrical
242
Composite Power Supply PCB
242
DC Controller PCB
242
AE Sensor PCB
243
Chapter 5 Installation
245
Selecting the Site
247
Unpacking and Installing the Copier
248
Unpacking and Removing Fixings
248
Turning on the Copier
251
Checking the Images and Operations
253
Attaching the Drum Unit
254
Changing the Cassette Size
255
Relocating the Copier
257
Replacing the Drum Unit
258
Installing the Control Card IV N
260
Cassette Heater Kit 5 Installation
262
Procedure
262
Unpacking
262
Installation (to a Cassette Feeding Module-A2/B2/Cassette Feeding Unit-K1)
263
Installation (to Copying Machine)
263
Installation (to a Cassette Feeding Module-A2/B2/Cassette Feeding Unit-K1)
266
Cassette Heater Kit 7 Installation Procedure
270
Unpacking
270
Installation
271
Installation
272
Attaching the Ratings Label
273
VIII.installing the Remote Diagnostic
274
Device II
274
Unpacking
274
Installation to the Copier
274
VIII.installing the Remote
274
Chapter 6 Maintenance and Servicing
281
I. Periodically Replaced Parts
281
Periodically Replaced Parts
283
Durables and Consumables
284
Copier
284
Cassette Feeding Module-B2, Cassette Feeding Module-A2, and Cassette Feeding Unit-K1
285
And Cassette Feeding Unit-K1
285
Cassette Feeding Module-B2, Cassette Feeding Module-A2
285
Paper Deck Pedestal-K1
285
Basic Servicing
286
Servicing Chart
287
Scheduled Maintenance Work
287
Appendix
289
General Timing Chart
291
Signals and Abbreviations
292
Appendix
294
General Circuit Diagram
295
DC Controller Circuit Diagram
297
Composite Power Supply Circuit Diagram
311
Control Panel Keypcb
317
Ae Sensor Circuit Diagram
321
Intensity Sensor Circuit Diagram
322
Toner Level Detection Circuit Diagram
323
Cassette Feeding Module-B2 General Circuit Diagram
324
Cassette Feeding Module-B2 Driver Circuit Diagram
325
Cassette Feeding Module-A2 General Circuit Diagram
327
Cassette Feeding Module-A2 Driver Circuit Diagram
328
Cassette Feeding Module-A2 Driver
328
Cassette Feeding Unit-K1 General Circuit Diagram
331
Cassette Feeding Unit-K1
332
Paper Deck Pedestal-K1 General Circuit Diagram
335
Paper Deck Pedestal-K1 Driver Circuit Diagram
336
Special Tools
337
Solvents/Oils
338
Advertisement
Canon NP6621 Service Manual (340 pages)
Brand:
Canon
| Category:
All in One Printer
| Size: 4.14 MB
Table of Contents
Table of Contents
5
Chapter 1 General Description
11
Features
11
Specifications
12
Copier
12
Cassette Feeding Module-B2/ Cassette Feeding Module-A2/Cassette Feeding Unit-K1
15
Paper Deck Pedestal-K1
16
Names of Parts
17
Exterior
17
Cross Section
18
Basic Operation
23
Control Panel
23
Making Copies
26
Using the Stack Bypass
27
User Mode
29
Auto Clear Time
30
Auto Energy Saver Time
30
Warnings and Actions
36
Jam Indicator
36
B. Cleaning the Static Charge
43
Cleaning the Static Charge Eliminator
43
Routine Cleaning
44
Chapter 2 Copying Process
45
Image Formation
47
Outline
47
Latent Static Image Formation Block
48
Step 1 (Pre-Exposure)
49
Step 2 (Primary Charging)
49
Step 3 (Image Exposure)
50
Step 4 (Development)
50
Step 5 (Transfer)
51
Step 6 (Separation)
52
Step 7 (Fixing)
53
Step 8 (Drum Cleaning)
53
Auxiliary Process
54
Blank Exposure
54
Chapter 3 Operations and Timing
55
I. Basic Operations
55
Basic Operations
57
Functional Construction
57
Outline of Electrical Circuitry
58
Inputs to the DC Controller
59
Outputs from the DC Controller
64
Inputs to and Outputs from the Cassette Feeding Module-B2 Driver PCB
69
Inputs to and Outputs from the Cassette Feeding Module-A2 Driver PCB
70
Inputs to and Outputs from the Cassette Feeding Unit-K1 Driver PCB
72
Main Motor Control Circuit
77
Basic Sequence of Operations (2 Copies, Continuous, AE)
78
Original Size Detecton Control
80
Exposure System
83
Varying the Reproduction Ratio
83
Lens Drive System
83
Lens Motor Drive Circuit
85
Scanner Drive System
87
Driving the Scanner Motor
89
Operations of the Scanner in Page Separation Mode
90
Image Formation System
91
Outline
91
Sequence of Operations (Image Formation System)
92
Controlling the Scanning Lamp
93
Controlling the Primary Charging Roller
94
Controlling the Transfer Roller Bias
97
Controlling the Static Eliminator Bias
100
Controlling the Developing Bias
102
Copy Density Automatic Control
104
Developing/Cleaning Assembly
106
Blank Exposure Control
109
Primary Charging Roller Cleaning Control
111
Transfer Roller Locking/Releasing Control
112
Pick-Up/Feeding System
113
Pick-Up from the Machine
113
Making Two-Sided Copies (1Copy)
117
Duplexing Unit
119
Pick-Up from the Cassette Feeding Module-A2
128
Pick-Up from the Cassette Feeding Unit-K1
130
Basic Construction
132
Paper Deck Pedestal-K1
132
Lifter Operation
135
Multifeeder
138
Identifying the Size of the Cassette
141
Fixing/Delivery Assembly
143
Detecting Jams
148
Delivery Delay Jam
153
Delivery Stationary Jam
154
Power Supply
157
Outline of Power Distribution
157
Power Supply Circuitry
158
Detecting Errors on the Power Supply PCB
159
Protection Mechanisms for the Power Supply Circuit
160
Service Mode
161
Outline
161
Using Service Mode
161
VI. Service Mode
161
Control Display Mode ('1')
163
I/O Mode ('2')
166
Adjustment Mode ('3')
170
Operation/Inspection Mode ('4')
173
Machine Settings Mode ('5')
174
Counter Mode ('6')
176
Self Diagnosis
177
Copier Self Diagnosis
177
Self Diagnosis on the Cassette Feeding Unit
180
RDF/ADF Self Diagnosis
181
Sorter Self Diagnosis
182
Standards and Adjustments
183
Electrical
183
Chapter 4 Mechanical System
191
External Covers
193
Externals
193
Control Panel
194
Removing the Display Panel
194
Fan
195
Counter
196
Drive System
197
Scanner Drive System
197
Routing the Scanner Cable
199
Lens Drive Assembly
202
Routing the Lens Cable
204
Main Motor
206
Pick-Up/Feeding System
207
Pick-Up Assembly
207
Multifeeder Assembly
209
Registration Roller Assembly
212
Delivery Assembly
214
Feeding Assembly
214
Duplexing Assembly
215
Cassette Unit
216
H. Paper Deck Pedestal-K
219
Exposure System
226
Illuminating Assembly
226
Charging System
230
Drum Unit
230
Primary Charging Assembly
231
Transfer Charging Assembly
232
Drum Heater
233
Developing System
234
Fixing System
237
DC Controller PCB
242
Composite Power Supply PCB
242
AE Sensor PCB
243
Chapter 5 Installation
245
Selecting the Site
247
Unpacking and Installing the Copier
248
Unpacking and Removing Fixings
248
Turning on the Copier
251
Checking the Images and Operations
253
Attaching the Drum Unit
254
Changing the Cassette Size
255
Relocating the Copier
257
Replacing the Drum Unit
258
Installing the Control Card IV N
260
Cassette Heater Kit 5 Installation Procedure
262
Unpacking
262
Cassette Heater Kit 5 Installation
262
Procedure
262
Installation (to Copying Machine)
263
Installation
263
Installation (to a Cassette Feeding Module-A2/B2/Cassette Feeding Unit-K1)
263
Cassette Heater Kit 7 Installation Procedure
270
Unpacking
270
Installation
271
Attaching the Ratings Label
273
VIII.installing the Remote Diagnostic
274
Device II
274
Unpacking
274
Installation to the Copier
274
VIII.installing the Remote
274
Chapter 6 Maintenance and Servicing
281
Periodically Replaced Parts
283
Durables and Consumables
284
Copier
284
Cassette Feeding Module-B2, Cassette Feeding Module-A2, and Cassette Feeding Unit-K1
285
Paper Deck Pedestal-K1
285
Basic Servicing
286
Servicing Chart
287
Scheduled Maintenance Work
287
Appendix
289
K. Cassette Feeding Module-B2 Driver Circuit Diagram
289
General Timing Chart
291
Signals and Abbreviations
292
General Circuit Diagram
295
DC Controller Circuit Diagram
297
Composite Power Supply Circuit Diagram
311
Control Panel Key Pcb
317
Control Panel Keypcb
317
Ae Sensor Circuit Diagram
321
Intensity Sensor Circuit Diagram
322
Toner Level Detection Circuit Diagram
323
Cassette Feeding Module-B2 General Circuit Diagram
324
Appendix
325
Cassette Feeding Module-B2 Driver Circuit Diagram
325
Cassette Feeding Module-A2 General Circuit Diagram
327
Cassette Feeding Module-A2 Driver Circuit Diagram
328
Cassette Feeding Module-A2 Driver
328
Cassette Feeding Unit-K1 General Circuit Diagram
331
Cassette Feeding Unit-K1
332
Paper Deck Pedestal-K1 General Circuit Diagram
335
Paper Deck Pedestal-K1 Driver Circuit Diagram
336
Special Tools
337
Solvents/Oils
338
Canon NP6621 Service Handbook (146 pages)
Brand:
Canon
| Category:
Copier
| Size: 0.87 MB
Table of Contents
Table of Contents
5
Chapter 1 Maintenance and Inspection
9
Servicing Chart
9
Periodically Replaced Parts
10
Durables
11
Copier
11
Chapter 2 Standards and Adjustments
15
Mechanical
15
Adjusting the Image Leading Edge Margin ([3], No.305; Registration on Timing)
15
Adjusting the Leading Edge Non-Image Width ([3], No.306; Blank Shutter on Timing)
15
Adjusting the Image Trailing Edge Non-Image Width ([3], No.309; Blanking Shutter Timing)
16
Adjusting the Left/Right Registration
16
Adjusting the Left/Right Margin (No.311 Left/Right Margin Adjustment)
17
Routing the Scanner Drive Cable
18
Adjusting the Mirror Position (Optical Length between No.1Mirror and No.2/3 Mirror)
19
Adjusting the Scanner Cable Tension
19
Orienting the Pick-Up Roller
19
Orienting the Multifeeder Pick-Up Roller
20
Positioning the Multifeeder Assembly Paper Guide Plate Cam
20
Positioning the Blanking Shutter Solenoid
21
Positioning the Change Solenoid
21
Adjusting the Lower Fixing Roller
22
Nip
22
Points to Note after Replacing
23
Positioning the Primary Charging Roller Cleaning Solenoid
25
After Replacing the Drum Unit
26
Installing the Drum Heater
26
Assembling the Mirror Positioning Tool
27
Positioning the Paper Deflecting Plate Solenoid (SL8)
27
Setting the Deck Size
27
Adjusting the Deck Registration
28
Electrical
29
Adjustment after Replacing Pcbs
29
Adjusting the Scanning Lamp Intensity
29
AE Adjustment
29
Multifeeder Paper Width Sensor Adjustment
33
Setting the Paper Size for the Universal Cassette
34
Initializing the Back-Up RAM
35
Checking the Photointerrupters
35
Chapter 3 Image Faults
47
Initial Checks
47
Troubleshooting Image Faults
51
The Copy Is too Light (Half-Tone Areas Only)
51
The Copy Is too Light (Including Solid Black)
52
The Copy Is too Light (Overall, Extremely)
52
The Copy Has Uneven Density (Darker at Front)
53
The Copy Has Uneven Density (Lighter at Front)
53
The Copy Is Foggy (Overall)
54
The Copy Has Vertical Fogging
55
The Copy Has Black Lines (Vertical, Fuzzy, Thick)
55
The Copy Has Black Lines (Vertical, Fine)
56
Chapter 4 Troubleshooting Malfunctions
65
E000
65
E001
66
E002, E003
66
E004
67
E010
68
E064
69
E202 (the Keys on the Control Panel Are Locked.)
69
E210
70
E220
70
E240
70
E260
71
E261
71
E802
72
AC Power Is Absent
73
Chapter 5 Troubleshooting Feeding Faults
81
Copy Paper Jams
81
Pick-Up Assembly
82
Separation/Feeding Assembly
83
Fixing/Delivery Assembly
83
Duplexing Unit
84
Duplexing Unit (During Re-Pick up Operation)
84
Feeding Faults
85
Double Feeding
85
Wrinkles
85
Paper Deck
86
Pick-Up Fails (from Deck)
86
Paper Jams When Pick-Up Is from the Paper Deck
87
Chapter 6 Arrangement and Functions of the Electrical Parts
91
Sensors
92
Clutches, Solenoids, and Switches
94
Motors, Heaters, and Lamps
96
Pcbs
98
Outline
109
Using Service Mode
109
Control Display Mode ('1')
111
Chapter 8 Self Diagnosis
111
Unit: V
111
Chapter 7 Service Mode
114
Adjustment Mode ('3')
118
Operation/Inspection Mode ('4')
121
Machine Settings Mode ('5')
122
Counter Mode ('6')
124
RDF/ADF Self Diagnosis
129
Sorter Self Diagnosis
130
Appendix
131
Specifications
137
Copier
137
Cassette Feeding Module-B2/Cassette Feeding Module-A2/ Cassette Feeding Unit-K1
141
Paper Deck Pedestal-K1
141
Special Tools
142
Solvents/Oils
143
Advertisement
Advertisement
Related Products
Canon NP6612
Canon NP6360
Canon NP6560
Canon NP6260
Canon NP6317
Canon NP6320
Canon NP6085
Canon NP6218
Canon NP6045
Canon NP-6020
Canon Categories
Printer
Digital Camera
All in One Printer
Camcorder
Scanner
More Canon Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL