Canon LBP7780C Series Manuals

Manuals and User Guides for Canon LBP7780C Series. We have 1 Canon LBP7780C Series manual available for free PDF download: Service Manual

Canon LBP7780C Series Service Manual

Canon LBP7780C Series Service Manual (371 pages)

Brand: Canon | Category: Printer | Size: 43 MB

Table of Contents

Explanation of Symbols
3
Table of Contents
5
Product Description
14
Characteristics
14
System Configuration
14
Product Specifications
17
Host Machine Specifications (LBP7750C/LBP5460)
17
Host Machine Specifications (LBP7780C/LBP5480)
18
Detailed Specification
20
Printing Speed
20
Lbp7750C/Lbp5460
20
Lbp7780C/Lbp5480
20
Paper Type
21
Paper Size
21
Parts Name
22
External View
22
Front View of the Printer
22
Back View of the Printer
23
Inside of the Printer
24
Cross Section View
25
Operation
25
Control Panel
25
Lbp7750C/Lbp5460
25
Lamp
26
Control Panel Key
26
Lbp7780C/Lbp5480
27
Lamp
28
Control Panel Key
28
Job Menu
30
Setting Items
30
Setup Menu
30
Control Menu Options (LBP7750C/LBP5460)
30
Control Menu (LBP7780C/LBP5480)
31
Paper Source Menu Options (LBP7750C/LBP5460)
32
Paper Source (LBP7780C/LBP5480)
33
Standard Network Menu Options (LBP7750C/LBP5460)
33
Network (LBP7780C/LBP5480)
35
Layout Menu Options (LBP7750C/LBP5460)
36
Layout (LBP7780C/LBP5480)
36
Quality Menu Options (LBP7750C/LBP5460)
36
Quality (LBP7780C/LBP5480)
37
Interface Menu Options (LBP7750C/LBP5460)
39
Interface (LBP7780C/LBP5480)
39
User Maintenance Options (LBP7750C/LBP5460)
39
User Maintenance (LBP7780C/LBP5480)
40
Print Mode Options (LBP7750C/LBP5460)
40
Print Mode (LBP7780C/LBP5480)
40
Ufr II (Lbp7780C/Lbp5480)
40
Pcl (Lbp7780C/Lbp5480)
41
Imaging (LBP7780C/LBP5480)
41
Xps (Lbp7780C/Lbp5480)
41
Imaging (LBP7780C/LBP5480)
42
Ps(Lbp7780C/Lbp5480)
42
MEAP Setting (LBP7780C/LBP5480)
43
Check Counter (LBP7780C/LBP5480)
43
Initialize Menu (LBP7780C/LBP5480)
43
Utility Menu (LBP7750C/LBP5460)
43
Utility Menu (LBP7780C/5480)
43
Reset Menu (LBP7750C/LBP5460)
44
Reset Menu (LBP7780C/LBP5480)
44
Select Feeder Menu (LBP7750C/LBP5460)
44
Select Feeder (LBP7780C/5480)
44
Application (LBP7780C/LBP5480)
45
Safety Precautions
46
Laser Safety
46
CDRH Regulation
46
Toner Safety
46
About Toner
46
How to Handle Adhered Toner
46
Remedy against Toner Spill
46
How to Handle the Laser Scanner Unit
46
Points to Note When Replacing/Discarding a Lithium Battery
47
Points to Note When Performing Disassembly/Assembly
47
Technical Reference
48
Basic Configuration
48
Functional Configuration
49
Operation Sequence
50
Overview
50
Laser Exposure System
51
Overview
51
Detecting a Failure in the Optical Assembly
51
Safety
51
Image Formation System
52
Overview
52
Image Formation Process
52
Static Latent Image Formation Block
53
Development Block
54
Transfer Block
54
Fixing Block
55
ITB Cleaning Block
56
Photosensitive Drum Cleaning Block
56
Controls
56
High-Voltage Power Supply Control
56
Calibration
57
Cartridge
59
Overview
59
Memory Tag
59
Cartridge Presence Detection
59
Toner Level Detection
59
Cartridge Life Detection
59
Developing Assembly Engagement/Disengagement Control
60
ITB Unit
61
Overview
61
Primary Transfer Roller Engagement/Disengagement Control
62
ITB Cleaning Mechanism
63
Fixing System
64
Overview
64
Various Controls
64
Speed Control with Small Size Paper (Throughput down Control)
64
Fixing Temperature Control
65
Pressure Roller Pressure Release Control
66
Protection Function
67
Failure Detection
67
Pickup Feeding System
69
Overview
69
Pickup Feeding Assembly
70
Overview
70
Cassette Pickup
71
Cassette Presence Detection
71
Lifting Operation
72
Cassette Paper Presence Detection
72
Cassette Double Feeding Prevention Mechanism
73
Multi-Purpose Tray Pickup
73
Paper Feed
74
Fixing/Delivery Assembly
76
Overview
76
Loop Control
76
Duplex Assembly
77
Overview
77
Duplex Reverse/Duplex Feed Control
77
Duplex Pickup Operation
77
Jam Detection
78
Overview
78
Pickup Delay Jam
78
Pickup Stationary Jam
78
Fixing Delivery Delay Jam
78
Fixing Delivery Stationary Jam
78
Wrapping Jam
78
Residual Paper Jam
79
Door Open Jam
79
Automatic Delivery
79
Controller System
80
Overview
80
DC Controller PCB
80
Motor/Fan Control
82
Failure Detection
83
Low-Voltage Power Supply
83
Overview
83
Protection Function
84
Safety
84
Power Supply Voltage Detection Function
85
Sleep Mode
85
Low-Voltage Power Supply Failure
85
Meap
86
Introduction
86
References by Purpose
86
About MEAP
86
Overview
86
About SMS
87
Overview
87
About the MEAP Application Management Screen
87
About the MEAP Application Installation Screen
87
About System Management
88
Preparation for Using SMS
89
Preparation of PC for Accessing SMS
89
Device Settings
89
How to Check the Serial Number
95
Login to SMS
96
Procedure to Log
96
Installing an MEAP Application
99
Outline
99
Device Compatibility with the MEAP Application
99
Procedure to Install Applications
99
Resource Information
101
About MEAP Application Management Page
101
MEAP Specifications
102
What Is MEAP Specifications (MEAP Spec Version)
102
MEAP Application Management
104
Outline
104
Starting, Stopping, or Uninstalling the MEAP Application
104
Managing the License File
106
Other License File Management Functions
110
License for Forwarding
111
Enhanced System Application Management
113
Outline
113
About Login Service
113
Default Authentication Overview
113
Other Log in Service
113
Procedure Changing Login Services
113
Procedure Installing Login Services
114
Procedure Uninstalling Login Services
115
System Application Management
115
Procedure to Manage System Application
115
System Information
116
Outline
116
Checking the System Information
116
Display of System Information Details
116
Printing the System Information of a MEAP Application
117
Content of MEAP System Information
117
MEAP Application Information
118
Outline
118
Procedure to Check MEAP Application Information
118
Check License
119
Outline
119
Procedure to Check the License File
119
Changing SMS Login Password
119
Procedure to Change the SMS Login Password
119
MEAP Application Setting Information Management and Log Management
120
Outline
120
Advantages Obtained When Using the Services
120
MEAP Application Setting Information Management
120
MEAP Application Log Management
121
Maintenance
122
When Replacing the PCB
122
Procedure for Reinstalling MEAP Applications after Replacing the PCB
123
Actions to be Taken When E616 Is Displayed
123
Work Procedure
123
MEAP Safe Mode
124
Using USB Devices
125
Reference Material
126
Glossary
126
Embedded RDS
128
Product Overview
128
Overview
128
Features and Benefits
128
Service Cautions
128
E-RDS Setup
129
Confirmation and Preparation in Advance
129
Steps to E-RDS Settings
130
Initializing E-RDS Settings
132
Initialization Procedure
132
Faq
133
Troubleshooting
135
Error Code and Strings
137
Ssl
139
A Making Procedure
139
Installing a Key/Certificate File on the Printer
141
Setting the SSL Encryption Communication Function
144
Selecting Keys and Certificates
144
Changing the Remote UI Settings
145
Disassembly and Assembly
148
Introduction
148
Points to Note During Disassembly and Assembly
149
Lay out Drawing
150
External-Related Issues
150
Main Units
151
Main Parts
154
PCB-Related Issues
155
External-Related Issues
158
Removing Left Cover
158
Removing Left Cover(LBP7780C/LBP5480)
158
Removing Rear Cover
159
Before Removing Rear Cover
159
Removing the Rear Cover
159
Removing Rear Cover(LBP7780C/LBP5480)
159
Removing Right Rear Cover
160
Before Removing Right Rear Cover
160
Removing the Right Rear Cover
160
Removing Right Rear Cover(LBP7780C/LBP5480)
160
Removing the Control Panel Unit Right Cover
161
Remove the Control Panel Unit Right Cover(LBP7780C/LBP5480) -3-14
161
Removing the Control Panel Unit Left Cover
162
Before Removing Control Panel Unit Left Cover
162
Removing the Control Panel Unit Left Cover(LBP7780C/LBP5480)
162
Removing Upper Front Cover Unit
163
Before Removing Upper Front Cover Unit
163
Removing the Upper Front Cover Unit
163
Removing Upper Front Cover Unit(LBP7780C/LBP5480)
164
Before Removing Upper Front Cover Unit
164
Removing the Upper Front Cover Unit
164
Removing Control Panel Unit
166
Before Removing Control Panel Unit
166
Removing Control Panel Unit(LBP7780C/LBP5480)
167
Before Removing Control Panel Unit
167
Removing Control Panel Unit
167
Removing Upper Rear Cover
168
Before Removing the Upper Rear Cover
168
Removing Upper Rear Cover(LBP7780C/LBP5480)
168
Removing the Front Cover Unit
169
Removing Front Right Cover
170
Before Removing Front Right Cover
170
Removing Front Right Cover(LBP7780C/LBP5480)
171
Before Removing Front Right Cover
171
Removing Front Right Cover
171
Removing the Right Cover Unit
172
Removing the Right Cover Unit(LBP7780C/5480)
173
Main Units
174
Removing Secondary Transfer Unit
174
Removing ITB Unit
174
Removing Fixing Assembly
175
Removing Waste Toner Container
176
Remove the Waste Toner Container(LBP7780C/LBP5480)
176
Removing Waste Toner Full Sensor Unit
177
Before Removing Waste Toner Full Sensor Unit
177
Removing the Waste Toner Full Sensor Unit
177
Removing Waste Toner Full Sensor Unit(LBP7780C/LBP5480)
178
Before Removing Waste Toner Full Sensor Unit
178
Removing the Waste Toner Full Sensor Unit
178
Removing Waste Toner Feed Motor Unit
179
Before Removing Waste Toner Feed Motor Unit
179
Removing Waste Toner Feed Motor Unit(LBP7780C/LBP5480)
180
Before Removing Waste Toner Feed Motor Unit
180
Removing Waste Toner Feed Motor Unit
180
Removing Registration Unit
181
Before Removing Registration Unit
181
Removing Registration Unit(LBP7780C/LBP5480)
182
Before Removing Registration Unit
182
Removing Registration Unit
182
Removing Color Displacement/Density Sensor Unit
184
Before Removing Color Displacement/Density Sensor Unit
184
Removing Color Displacement/Density Sensor Unit
185
Removing Color Displacement/Density Sensor Unit(LBP7780C/5480)
185
Before Removing Color Displacement/Density Sensor Unit
185
Removing Lifter Drive Unit
186
Before Removing Lifter Drive Unit
186
Removing Lifter Drive Unit(LBP7780C/LBP5480)
187
Before Removing Lifter Drive Unit
187
Removing Lifter Drive Unit
187
Removing Laser Scanner Unit
188
Before Removing Laser Scanner Unit
188
Removing Y/M Laser Scanner Unit
188
Removing C/Bk Laser Scanner Unit
190
Removing Laser Scanner Unit(LBP7780C/LBP5480)
192
Before Removing Laser Scanner Unit
192
Removing Y/M Laser Scanner Unit
192
Removing C/Bk Laser Scanner Unit
194
Removing Cassette Pickup Drive Unit
197
Before Removing Cassette Pickup Drive Unit(LBP7750C/LBP5460)
197
Before Removing Cassette Pickup Drive Unit(LBP7780C/LBP5480)
197
Removing Cassette Pickup Unit
199
Before Removing Cassette Pickup Unit
199
Removing Cassette Pickup Unit(LBP7780C/LBP5480)
200
Before Removing Cassette Pickup Unit
200
Removing Cassette Pickup Unit
200
Removing the Main Drive Unit
202
Before Removing the Main Drive Unit
202
How to Check the Phase of Main Drive Unit Cam
204
Removing the Main Drive Unit(LBP7780C/LBP5480)
205
Before Removing the Main Drive Unit
205
Removing the Main Drive Unit
205
How to Check the Phase of Main Drive Unit Cam
207
Removing the Fixing Drive Unit
208
Before Removing the Fixing Drive Unit
208
Removing the Fixing Drive Unit
209
Removing the Fixing Drive Unit(LBP7780C/LBP5480)
210
Before Removing the Fixing Drive Unit
210
Removing the Fixing Drive Unit
210
Removing the Delivery Unit
211
Before Removing the Delivery Unit
211
Removing the Delivery Unit
212
Removing the Delivery Unit(LBP7780C/LBP5480)
213
Before Removing the Delivery Unit
213
Removing the Delivery Unit
214
Removing the Duplex Drive Unit
215
Before Removing the Duplex Drive Unit
215
Removing the Duplex Drive Unit
216
Removing the Duplex Drive Unit(LBP7780C/LBP5480)
216
Before Removing the Duplex Drive Unit
216
Removing the Duplex Drive Unit
217
Removing the Duplex Feed Roller Unit
218
Removing the Duplex Feed Roller Unit(LBP7780C/LBP5480)
218
Removing the Multi-Purpose Tray Pickup Unit
218
Before Removing the Multi-Purpose Tray Pickup Unit
221
Removing the Multi-Purpose Tray Pickup Unit
221
Removing the Multi-Purpose Tray Pickup Unit (LBP7780C/LBP5480)
221
Removing the Auto Close Unit(LBP7780C/LBP5480)
223
Before Removing the Auto Close Unit
223
Removing the Auto Close Unit
223
Main Parts
224
Removing the Cassette Pickup Roller
224
Before Removing the Cassette Pickup Roller
224
Removing the Cassette Pickup Roller(LBP7780C/LBP5480)
225
Before Removing the Cassette Pickup Roller
225
Removing the Cassette Pickup Roller
225
Removing the Cassette Separation Roller Assembly
226
Removing the Power Fan
226
Before Removing the Power Fan
226
Removing the Power Fan(LBP7780C/LBP5480)
228
Before Removing the Power Fan
228
Removing the Power Fan
228
Removing the Fan Unit
229
Before Removing the Fan Unit
229
Removing the Fan Unit(LBP7780C/LBP5480)
231
Before Removing the Fan Unit
231
Removing the Fan Unit
231
Removing the Developing Disengagement Motor
232
Before Removing the Developing Disengagement Motor
232
Removing the Developing Disengagement Motor(LBP7780C/LBP5480)
233
Before Removing the Developing Disengagement Motor
233
Removing the Developing Disengagement Motor
233
Removing the Secondary Transfer Outer Roller Unit
233
Removing the Pickup Motor
234
Before Removing the Pickup Motor
234
Removing the Pickup Motor(LBP7780C/LBP5480)
235
Before Removing the Pickup Motor
235
Removing the Pickup Motor
235
Removing the Drum Motor
236
Before Removing the Drum Motor
236
Removing the Drum Motor 1(LBP7780C/LBP5480)
236
Removing the Drum Motor 2
237
Before Removing the Drum Motor
237
Removing the Drum Motor 2(LBP7780C/LBP5480)
237
Before Removing the Drum Motor
238
Removing the Drum Motor
238
Removing the Drum Motor 3(LBP7780C/LBP5480)
238
Removing the Fixing Motor
239
Before Removing the Fixing Motor
239
Removing the Fixing Motor(LBP7780C/LBP5480)
239
Removing the Delivery Fan
240
Before Removing the Delivery Fan
240
Removing the Delivery Fan(LBP7780C/LBP5480)
241
Before Removing the Delivery Fan
241
Removing the Delivery Fan
241
Removing the Cartridge Fan
242
Before Removing the Cartridge Fan
242
Removing the Cartridge Fan(LBP7780C/LBP5480)
243
Removing the Cartridge Fan
243
Removing the Multi-Purpose Tray Pickup Roller
244
Removing the Multi-Purpose Tray Separation Pad
245
Removing the Controller Fan
246
Before Removing the Controller Fan
246
PCB-Related Issures
248
Removing the ICB PCB
248
Before Removing the ICB PCB
248
Removing the Main Controller PCB
248
Before Removing the Main Controller PCB
251
Removing the Main Controller PCB
251
Before Removing the Main Controller PCB(LBP7780C/LBP5480)
253
Removing the Main Controller PCB(LBP7780C/LBP5480)
253
Removing the RELAY PCB(LBP7780C/LBP5480)
254
Before Removing the RELAY PCB
254
Removing the RELAY PCB
254
Removing the ALL NIGHT PCB(LBP7780C/LBP5480)
254
Before Removing the ALL NIGHT PCB
254
Removing the ALL NIGHT PCB
254
Removing the SLEEP if PCB(LBP7780C/LBP5480)
255
Before Removing the SLEEP if PCB
255
Removing the SLEEP if PCB
255
Removing the SD CARD PCB(LBP7780C/LBP5480)
255
Before Removing the SD CARD PCB
255
Removing the Low Voltage Power Unit
256
Before Removing the Low Voltage Power Unit
256
Removing the Low Voltage Power Unit(LBP7780C/LBP5480)
258
Before Removing the Low Voltage Power Unit
258
Removing the Low Voltage Power Unit
258
Removing the DC Controller PCB
260
Before Removing the DC Controller PCB
260
Removing the DC Controller PCB(LBP7780C/LBP5480)
261
Before Removing the DC Controller PCB
261
Removing the DC Controller PCB
261
Removing the Lower High Voltage Power Supply PCB
262
Before Removing the Lower High Voltage Power Supply PCB
262
Removing the Lower High Voltage Power Supply PCB(LBP7780C/LBP5480)
264
Before Removing the Lower High Voltage Power Supply PCB
264
Removing the Lower High Voltage Power Supply PCB
264
Removing the Upper High Voltage Power Supply PCB
266
Before Removing the Upper High Voltage Power Supply PCB
266
Removing the Upper High Voltage Power Supply PCB(LBP7780C/LBP5480)
268
Before Removing the Upper High Voltage Power Supply PCB
268
Removing the Upper High Voltage Power Supply PCB
268
Removing the Environment Sensor
269
Before Removing the Environment Sensor
269
Removing the Environment Sensor(LBP7780C/LBP5480)
270
Before Removing the Environment Sensor
270
Removing the Environment Sensor
270
Maintenance and Inspection
271
Periodically Replaced Parts
271
Consumable Parts
271
Consumable Parts Replaced by Users
272
Consumable Parts Replaced by Service Engineers
272
Periodical Service
272
Cleaning
273
Troubleshooting
274
Image Failure
275
Low Density (1)
275
Low Density (2)
275
High Density
276
Blank Image
276
Coal-Black/Solid Color Image
276
Polka-Dot Pattern
276
Dirt on the Backside
277
White Vertical Line (1)
277
White Vertical Line (2)
277
Horizontal Line
278
White Horizontal Line
278
Dropout of a Specific Color
278
White Patch
279
Fixing Failure
279
Color Displacement
279
Image Trouble
280
Skew/Displacement of an Image
280
Wrinkle/Bend at the Leading Edge
280
Skewed Image
280
Dirt
281
Interval of Dirt or White Patches on the Image
281
Standard/Adjustment
282
Test Print
282
Engine Test Print
282
Adjustment of the Image Formation System
283
When Replacing the ITB Unit
283
Adjustment of the Fixing Assembly
283
When Replacing the Fixing Assembly
283
Checking the Pressure Volume (Nip Volume) of the Pressure Roller
283
Adjustment of Electrical Parts
284
When Replacing the DC Controller PCB
284
Replacing the Main Controller PCB
284
Outline of Electrical Components
288
Sensor
288
Pcb
291
Connector Layout Drawing
294
Connector List(LBP7750C/LBP5460)
294
Connector List(LBP7780C/LBP5480)
296
Service Tools
300
Standard Tools
300
Special Tools
300
List of Solvents/Greases
300
Error Code
301
Error Code Details
301
Jam Code
306
Alarm Code
307
Version up
308
Overview
308
Overview of Upgrading
308
Preparation
308
Necessary System Environment
308
Before Downloading the System Software
309
Downloading the System Software
309
Downloading the System
309
Service Mode
312
Service Mode List(LBP7750C/LBP5460)
312
Counter
312
Function
317
Log
317
F/W Update
317
Network
318
Debug Log
320
Sublog
320
Function Overview
320
How the Log Is Written
320
Collecting Sublog
321
Flow of Collecting Sublog
321
Installing the Sublog Board
321
Generating the Log
322
Collecting Log
322
Backup/Restoration by Expansion ROM for Servicing and Sublog Board
323
Function Overview
323
What to Prepare
323
Prerequisites
323
Target Data for Backup
323
Backup and Restoration (Export and Import)
324
Flow of Export and Import
324
Installing the Expansion ROM for Servicing and Sublog Board
324
Backup Procedure (Export)
325
Restoration Procedure (Import)
325
Others
326
Deletion (Erase)
326
List of Error Messages
327
Updater
328
Overview
328
Limitations and Cautions
331
Preparation
332
System Management Operations
338
Maintenance
341
Faq
342
Error Messages
345
Error Codes
351
Appendix
356
General Timing Chart
356
General Circuit Diagram
356
General Circuit Diagram (1/2)
358
General Circuit Diagram (2/2)
358
General Circuit Diagram (1/2) (LBP7780C/5480)
359
General Circuit Diagram (2/2) (LBP7780C/5480)
361
Signal Input/Output List
362
Backup Data
369

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