Canon MF7170i Manuals

Manuals and User Guides for Canon MF7170i. We have 1 Canon MF7170i manual available for free PDF download: Service Manual

Canon MF7170i Service Manual

Canon MF7170i Service Manual (376 pages)

Brand: Canon | Category: Printer | Size: 22 MB

Table of Contents

Symbols Used
3
Symbol Description
3
Table of Contents
5
Chapter 1 Introduction
18
System Construction
20
Pickup/ Delivery /Original Handling Accessories System Configuration (Mf7170I)
20
Reader Heater/ Cassette Heater System Configuration (Mf7170I)
20
Printing/Transmitting Accessories System Configuration (Mf7170I)
21
Functions of the Printing/Transmission Functions (Mf7170I)
22
Product Specifications
23
Names of Parts
23
External View (Mf7170I)
23
Cross-Section
23
Using the Machine
24
Turning on the Power Switch
24
When Turning off the Main Power Switch
24
Control Panel (Mf7170I)
26
User Mode Items
26
Common Settings
26
Timer Settings
27
Adjustment/Cleaning
27
Report Settings
27
System Settings
27
Copy Settings
28
Communication Settings
28
Printer Settings
29
Address Book Settings
30
Recommended Setting of System Management Information
30
The Reference Information of the Department ID Management
30
Maintenance by the User
31
User Maintenance Items
31
Cleaning
31
Safety
32
Safety of the Laser Light
32
CDRH Regulations
32
Handling the Laser Unit
33
Safety of Toner
33
Point to Note about Fire
33
Cautions as to the Replacement and Disposal of Lithium Battery
33
Storing and Handling the Cartridge before Unpacking
33
Storing or Handling the Cartridge after Unpacking
34
Product Specifications
34
Function List
35
Printing Speed (MF7100 Series)
35
Types of Paper
37
Chapter 2 Installation
38
Making Pre-Checks
40
Selecting the Site of Installation
40
Before Starting the Work
40
Unpacking and Installation
43
Unpacking and Removing the Packaging Materials
43
Installing the Toner Cartridge
43
Setting the Cassettes
45
Connecting the Cable
46
Checking the Image Quality
46
Setting the Country/Region
47
Setting the Date and Time
47
Attaching Other Parts
47
Checking the Connection to the Network
48
Checking the Network Connection
48
Flow of Accessory Installation
49
Flow of Accessary Installation
49
Installing the Card Reader
50
Points to Note
50
Checking the Contents
50
Installation Procedure
51
Registering the Card Ids
56
Installing the Heater PCB
57
Preparing the Parts
57
Preparing the Host Machine
57
Installing the Heater PCB
59
Installing the Reader Heater
62
Preparing the Parts
62
Installing the Reader Heater Harness
62
Removing Reader Components
66
Removing Parts at the Left of the Reader
67
Installing the Reader Heater
69
Installing the Cassette Heater
72
Preparing the Parts
72
Preparing the Host Machine
72
Chapter 3 Main Controller
75
Overview/Configuration
77
Construction and Mechanisms
77
Outline of the Electrical Circuitry
77
Image Processor PCB
77
Image Processing
78
Overview of the Image Flow
78
Construction of the Image Processing Module
79
Reader Unit Input Image Processing
79
Compression/ Extesion/ Editing Block
80
Printer Unit Output Image Processing
80
Image Data Flow
81
Flow of Image Data According to Copy Functions
81
Flow of Image Data for the SEND Function
81
Flow of Image Data for the Fax Transmission
82
Flow of Image Data for the Fax Reception Function
82
Flow of Image Data for the PDL Function
83
Parts Replacement Procedure
84
Main Controller PCB
84
Removing the Rear Cover
84
Removing the Left Cover (Rear)
84
Removing the RAM Cover
84
Removing the SDRAM
84
Removing the LAN Cover
84
Removing the IP Cover
84
Removing the Image Processor PCB
85
Procedure after Replacing the Image Processor PCB
85
Sdram
86
Removing the Rear Cover
86
Removing the RAM Cover
86
Removing the SDRAM
86
Chapter 4 Original Exposure System
87
Basic Constraction
90
Specifications, Control Methods, and Functions
90
Major Components
90
Control System Configuration
91
Reader Controller PCB
91
Basic Sequence
92
Basic Sequence at Power-On
92
Basic Sequence after Depression of Start Key (Book Mode, One Sheet of Original)
92
Basic Sequence after Depression of Start Key (ADF Mode, One Sheet of Original)
93
Various Control
93
Controlling the Scanner Drive System
93
Outline
93
Reader Motor Control
94
Contact Image Sensor (CIS)
95
Outline
95
Analog Control Performed by the CIS
96
Enlargement/Reduction
96
Magnification Change in Vertical Scan Direction
96
Dirt Sensor Control
96
Outline
96
Image Processing
98
Outline
98
CMOS Sensor Drive
99
CMOS Sensor Output Gain Correction and Offset Correction
99
CMOS Sensor Output A/D Conversion
99
Shading Correction (Outline)
99
Shading Adjustment
99
Shading Correction
99
Parts Replacement Procedure
101
Copyboard Glass
101
Removing the Copyboard Glass
101
Procedure after Replacing the Copyboard Glass
101
Removing the ADF Reading Glass
101
Reader Controller PCB
101
Removing the Rear Cover
101
Removing the Right Cover (Lower)
102
Removing the Right Cover (Upper)
102
Removing the Left Cover (Rear)
102
Removing the Reader Rear Cover
102
Removing the Copyboard Glass
102
Removing the Reader Controller PCB
103
Removing the Rear Cover
104
Removing the Right Cover (Lower)
104
Removing the Right Cover (Upper)
104
Removing the Left Cover (Rear)
104
Reader Motor
104
Removing the Reader Rear Cover
105
Removing the Reader Motor
105
Contact Sensor
105
Removing the Rear Cover
105
Removing the Right Cover (Lower)
105
Removing the Right Cover (Upper)
105
Removing the Left Cover (Rear)
106
Removing the Reader Rear Cover
106
Removing the Copyboard Glass
106
Removing the Contact Image Sensor (CIS)
107
Procedure after Replacing the CIS
107
Copyboard Cover Open/Close Sensor
107
Removing the Rear Cover
107
Removing the Right Cover (Lower)
107
Removing the Right Cover (Upper)
107
Removing the Left Cover (Rear)
107
Removing the Reader Rear Cover
108
Removing the Copyboard Cover Open/Close Sensor (Front/Rear)
108
Contact Sensor HP Sensor
108
Removing the Copyboard Glass
108
Removing the ADF Reading Glass
109
Removing the Contact Sensor HP Sensor
109
Reader Heater (Option)
109
Removing the Copyboard Glass
109
Removing the Reader Heater (Right)
110
Removing the Reader
110
Removing the ADF Reading Glass
110
Removing the Reader Heater (Left)
111
Chapter 5 Laser Exposure
112
Overview/Configuration
114
Overview
114
Specifications and Control Mechanism
114
Main Components
114
Control System Configuration
114
Controlling the Laser Activation Timing
115
Laser Emission ON/OFF Control
115
Horizontal Synchronization Control
115
Controlling the Intensity of Laser Light
116
Automatic Photocurrent Control (APC)
116
Controlling the Laser Scanner Motor
116
Laser Scanner Motor Control
116
Controlling the Laser Shutter
116
Laser Shutter Control
116
Parts Replacement Procedure
118
Laser/Scanner Unit
118
Removing the Rear Cover
118
Removing the Right Cover (Lower)
118
Removing the Delivery Tray
118
Removing the Laser Scanner Unit
118
Chapter 6 Image Formation
119
Overview/Configuration
121
Specifications of Image Formation System
121
Major Components of Image Formation System
121
Image Formation Process
121
Basic Sequence
122
Basic Sequence of Operation
122
Driving and Controlling the High-Voltage System
123
Outline
123
Primary Charging Bias Control
124
Developing Bias Control
124
Secondary Transfer Mechanism
125
Outline
125
Transfer Roller Bias Control
125
Static Eliminator Bias Control
126
Parts Replacement Procedure
127
Transfer Charging Roller
127
Removing the Transfer Charging Roller
127
Chapter 7 Pickup and Feed System
128
Overview/Configuration
131
Specifications/Configuration/Operation Methods
131
Locations of Main Units
131
Roller Layout Drawing
131
Paper Path Drawing(Printer on Its Own)
132
Paper Path Drawing(Finisher-U1)
133
Paper Path Drawing(Duplex Unit-A1/Finisher-U1)
133
Paper Path Drawing(Duplex-A1)
134
Paper Path Drawing(Duplex-A1/Inner 2Way Tray-E1)
134
Paper Path Drawing(Inner 2Way Tray-E1)
135
Sensor Layout Drawing
135
Detection Jams
136
Delay Jams
136
Delay Jam in Pickup Assembly
136
Delay Jam in Delivery Assembly (Paper Leading Edge Jam at First Delivery Sensor/Wound Paper Jam at Fixing Assembly)
136
Stationary Jams
136
Stationary Jam in Pickup Assembly
136
Stationary Jam in Delivery Assembly (Paper Trailing Edge Stationary Jam at First Delivery Sensor/Stationary Jam at Delivery Sensor)
136
Other Jams
136
Door Open Jam
136
Cassette Pickup Unit
136
Cassette Pickup Operation
137
Cassette Paper Size Detection
138
Manual Feed Pickup Unit
138
Overview
138
Post-Pickup Control after Multi Manual Feed Pickup
139
Parts Replacement Procedure
140
Cassette Pickup Assembly
140
Removing the Lower-Left Cover
140
Removing the Cassette Pickup Assembly
140
Cassette Pickup Roller
140
Removing the Cassette Paper Pickup Roller
140
Cassette Paper Sensor
140
Removing the Cassette Paper Presence/Absence Sensor
141
Cassette Retry Paper Sensor
141
Removing the Lower-Left Cover
141
Removing the Cassette Pickup Assembly
141
Removing the Retry Sensor
142
Cassette Pickup Solenoid
142
Removing the Lower-Left Cover
142
Removing the Cassette Pickup Assembly
142
Removing the Cassette Pickup Solenoid
142
Separation Roller
142
Removing the Feed and Separation Rollers
142
Manual Pickup Roller
143
Removing the Toner Cartridge
143
Removing the Transfer Registration Unit
143
Removing the Feed Guide
143
Removing the Multifeeder Pickup Roller
143
Manual Feed Tray Paper Sensor
144
Removing the Toner Cartridge
144
Removing the Transfer Registration Unit
144
Removing the Feed Guide
144
Removing the Multifeeder Paper Presence/Absence Sensor
144
Manual Pickup Solenoid
144
Removing the Transfer Registration Unit
145
Removing the Feed Guide
145
Removing the Multifeeder Connector Cover
145
Removing the Multifeeder Unit
145
Removing the Multifeeder Pickup Solenoid
145
Registration Roller
146
Removing the Toner Cartridge
146
Removing the Registration Roller
146
Registration Clutch
146
Removing the Rear Cover
146
Removing the Registration Clutch
146
Separation Pad
147
Removing the Toner Cartridge
147
Removing the Transfer Registration Unit
147
Removing the Feed Guide
147
Removing the Multifeeder Pickup Roller
147
Removing the Separation Pad
148
Chapter 8 Fixing System
149
Overview/Configuration
151
Specifications, Control Mechanisms, and Functions
151
Major Components
151
Various Control Mechanisms
152
Controlling the Speed of the Fixing Film
152
Controlling the Fixing Film Speed
152
Controlling the Fixing Film Temperature
152
Outline
152
Target Temperatures by Mode
152
Detecting the Passage Paper
153
Detecting the Passage of Paper
153
DC Controller PCB
153
Protection Function
154
Protective Functions
154
Parts Replacement Procedure
156
Fixing Unit
156
Removing the Toner Cartridge
156
Removing the Rear Cover
156
Removing the Left Cover (Rear)
156
Removing the Left Door
156
Removing the Fixing Unit
157
Fixing Film Unit
157
Removing the Toner Cartridge
157
Removing the Rear Cover
158
Removing the Left Cover (Rear)
158
Removing the Left Door
158
Removing the Fixing Unit
159
Removing the Fixing Film Unit
159
Fixing Pressure Roller
161
Removing the Toner Cartridge
161
Removing the Rear Cover
162
Removing the Left Cover (Rear)
162
Removing the Left Door
162
Removing the Fixing Unit
163
Removing the Fixing Film Unit
163
Removing the Pressure Roller
165
Fixing Delivery Paper Sensor
166
Removing the Toner Cartridge
166
Removing the Rear Cover
166
Removing the Left Cover (Rear)
166
Removing the Left Door
166
Removing the Fixing Unit
167
Removing the Fixing Delivery Sensor
168
Fixing Film Sensor
169
Removing the Toner Cartridge
169
Removing the Rear Cover
169
Removing the Left Cover (Rear)
169
Removing the Left Door
169
Removing the Fixing Unit
170
Removing the Fixing Film Sensor
171
Chapter 9 External and Controls
172
Control Panel
175
Overview
175
Fan
175
Fan Control
175
Power Supply
176
Outline (Mf7170I)
176
Rated Output of the Power Supply PCB
176
Fan Control
176
Protection Function
177
Protective Mechanisms
177
Parts Replacement Procedure
178
Rear Cover
178
Removing the Rear Cover
178
Upper Right Cover
178
Removing the Right Cover (Lower)
178
Removing the Right Cover (Upper)
178
Lower Right Cover
178
Left Rear Cover
178
Removing the Left Cover (Rear)
179
Reader
179
Removing the Reader
179
Reader Rear Cover
179
Removing the Rear Cover
179
Removing the Right Cover (Lower)
179
Removing the Right Cover (Upper)
179
Removing the Reader Rear Cover
179
Delivery Tray
180
Removing the Rear Cover
180
Removing the Right Cover (Lower)
180
Removing the Delivery Tray
180
Left Door
180
Removing the Toner Cartridge
180
Removing the Rear Cover
181
Removing the Left Cover (Rear)
181
Removing the Left Door
181
Main Drive Unit
182
Removing the Toner Cartridge
182
Removing the Rear Cover
182
Removing the Left Cover (Rear)
182
Removing the Main Motor
183
Removing the Registration Clutch
183
Removing the Main Drive Unit
183
Fixing Drive Unit
184
Removing the Toner Cartridge
184
Removing the Rear Cover
184
Removing the Left Cover (Rear)
184
Removing the Left Door
185
Removing the Fixing Unit
185
Removing the RAM Cover
186
Removing the SDRAM
186
Removing the LAN Cover
186
Removing the IP Cover
186
Removing the Image Processor PCB Mount
187
Removing the Fixing Drive Unit
188
Operation Panel Unit
188
Removing the Reader
188
Removing the Operation Panel Unit
188
DC Controller PCB
189
Removing the Rear Cover
189
Removing the DC Controller PCB
189
Powwer Supply PCB
189
Removing the Right Cover (Lower)
189
Removing the Delivery Tray
189
Removing the Main Power Supply PCB
190
Hvt Pcb
190
Removing the Rear Cover
190
Removing the Right Cover (Lower)
190
Removing the Delivery Tray
190
Removing the HVT PCB
191
Main Drive Motor
191
Removing the Rear Cover
191
Removing the Main Motor
191
Fixing Drive Motor
191
Removing the Left Cover (Rear)
191
Removing the RAM Cover
191
Removing the SDRAM
192
Removing the LAN Cover
192
Removing the IP Cover
192
Removing the Image Processor PCB Mount
193
Removing the Fixing Unit Drive Motor
194
Fixing Heat Discharge Fan
194
Removing the Fixing Heat Discharge Fan
194
Fan Filter
194
Removing the Fan Filter
194
Chapter 10 Maintenance and Inspection
196
Periodically Replaced Parts
198
Overview
198
Reader Unit
198
Printer Unit
198
Periodical Service
199
Scheduled Servicing
199
Chapter 11 Measurement and Adjustments
200
Scanning System
202
Procedure after Replacing the CIS
202
Procedure after Replacing the Copyboard Glass
202
Electrical Adjustments
202
Procedure after Replacing the Image Processor PCB
202
Procedure after Replacing the USB Memory
202
Actions to Take before All Clearing (Backing up the User Data)
202
Chapter 12 Correcting Faulty Images
203
Initial Checkup
205
Site Environment
205
Checking the Paper
205
Checking the Placement of Paper
205
Checking the Durables
205
Checking the Units and Functional Systems
205
Others
205
Outline of Electrical Components
206
Cluth/Solenoid
206
List of Clutches/Solenoids
206
List of Motors
206
Motor
206
List of Fans
207
Fan
207
Sensor
208
List of Sensors
208
Switch
209
Lamps, Heaters, and Others
210
List of Lamps, Heaters, and Others
210
Pcbs
211
List of Pcbs
211
Chapter 13 Error Code
213
Error Code Table
215
List of Error Codes
215
Error Code Details
215
Jam Code
217
Jam Codes (Related to Printer Unit)
217
Jam Codes (Related to Finisher)
217
Jam Codes (Related to ADF)
218
Jam Codes (Related to Duplex Unit)
218
Jam Codes (Related to Inner 2-Way Tray)
218
Finisher Error Codes
218
Error Code Details
218
Fax Error Codes
222
Outline
222
Error Code Outline
222
User Error Code
222
Service Error Code
222
Chapter 14 Service Mode
225
Outline
230
Outline of Service Mode
230
Using the Mode
231
Default Settings
231
Service Mode Menus
231
Service Soft Switch Settings (SSSW)
236
Outline
236
Bit Switch Composition
236
Sssw-Sw01
236
List of Functions
236
Sssw-Sw03
236
Sssw-Sw04
237
Sssw-Sw05
237
Menu Switch Settings (MENU)
240
Menu Switch Composition
240
005 NL Equalizer
240
006 Telephone Line Monitor
240
007 ATT Transmission Level
240
008 V.34 Modulation Speed Upper Limit
241
009 V.34 Data Speed Upper Limit
241
010 Frequency of the Pseudo CI Signal
241
Numeric Parameter Settings (NUMERIC Param.)
241
Numerical Parameter Composition
241
005: NCC Pause Length (Pre-ID Code)
241
006: NCC Pause Length (Post-ID Code)
241
010: Line Connection Identification Length
242
011: T.30 T1 Timer (for Reception)
242
013: T.30 EOL Timer
242
016: Time Length to First Response at Time of Fax/Tel Switchover
242
017: Pseudo RBT Signal Pattern on Time Length><018: Pseudo RBT Signal Pattern off Time Length (Short)><019: Pseudo RBT Signal Pattern off Time Length (Long)
242
020: Pseudo CI Signal Pattern on Time Length><021: Pseudo CI Signal Pattern off Time Length (Short)><022: Pseudo CI Signal Pattern off Time Length (Long)
242
023: CNG Detention Level for Fax/Tel Switchover
242
024: Pseudo RBT Transmission Level at Time of Fax/Tel Switchover
242
025: Answering Machine Connection Function Signal Detection Time
242
027: V.21 Low-Speed Flag Preamble Identification Length
242
Scanner Function Settings (SCANNER)
245
Setting of Bit Switch
245
Numeric Parameter Functional Configuration
245
024:CIS Scan Position During ADF Scanning
245
024:CIS Scan Position During ADF Scanning
246
026:Distance from the Standby Position of CIS to the Shading Start Point
246
032Horizontal Scan Start Position Adjustment
246
033Vertical Scan Magnification Correction
246
035: - 036:Reader Motor Speed Change
246
041: Vertical Scan Start Position Adjustment (When Scanning on a Document Fed from ADF)
247
042: Horizontal Scan Start Position Adjustment (When Scanning on a Document Fed from ADF)
247
043: Horizontal Scan End Position Correction (Copy:scanning on ADF)
247
044: Horizontal Scan End Position Correction (Superfine:scanning on ADF)
247
045: Horizontal Scan End Position Correction (Fine:scanning on ADF)
247
046: Horizontal Scan End Position Correction (Standard:scanning on ADF)
247
047: Vertical Scan Magnification Correction (When Scanning on a Document Fed from ADF)
247
048: Horizontal Scan Magnification Correction (When Scanning on a Document Fed from ADF)
247
054: Pickup Motor Speed Correction (When the ADF Is Used)
247
193: ADF Special Standard-Sized Paper: LGL Misidentification-Ready
247
198: Shading Target Value (Blue)
248
213: XYZ Correction Value (X) of Standard White Plate
248
214: XYZ Correction Value (Y) of Standard White Plate
248
215: XYZ Correction Value (Z) of Standard White Plate
248
Printer Function Settings (PRINTER)
248
Service Soft Switch Settings (SSSW)
248
Sssw-Sw05
248
List of Functions
248
031: Top Registration Adjustment (Manual Feed Tray)
250
032: Top Registration Adjustment (Cassette)
250
033: Top Registration Adjustment (Duplex Unit)
250
034: Left-End Registration Adjustment (Manual Feed Tray)
250
035: Left-End Registration Adjustment (Cassette 1)
250
036: Left-End Registration Adjustment (Cassette 2)
250
037: Left-End Registration Adjustment (Cassette 3)
250
038: Left-End Registration Adjustment (Cassette 4)
250
039: Left-End Registration Adjustment (Duplex Unit)
250
040: Target Fixing Temperature Adjustment (Manual Feed Tray)
250
044: Target Fixing Temperature Adjustment (Cassette 4)
251
045: Fixing Film Speed Change (Manual Feed Tray)
251
046: Fixing Film Speed Change (Cassette)
251
Setting of Cassette (CST)
251
Special Standard-Sized Paper Compatibility
251
Setting of System Functions (SYSTEM)
251
Bit Switch Settings
251
Registration of Accessories (ACC)
251
Accessory Registration
251
Counter Indication (COUNTER)
252
Counters
252
Clearing Counters
252
Report Output (REPORT)
253
Report Output
253
System Data List
253
System Dump List
253
Counter List
255
Error Log List
256
Spec List
258
Service Label
258
Download (DOWNLOAD)
259
Download
259
Data Initialization Mode (CLEAR)
259
Clear
259
Error Display (ERROR DISPLAY)
259
Error Display
259
ROM Management (ROM)
260
Test Mode (TEST)
260
Overview
260
Outline
260
Test Mode Menu List
260
ROM Display
260
DRAM Test
262
D-RAM Test<(1) D-RAM TEST
262
Scan Test
263
Scan Test ((2) SCAN TEST)
263
Print Test
263
Print Test ((3) PRINT TEST)
263
Modem Test
263
MODEM Test((4) MODEM TEST)
263
Faculty Test
265
Function Test ((6) FUNCTION TEST)
265
Cleaning Mode
268
Roller Cleaning Mode ((0) ROLLER CLEAN)
268
Chapter 15 Upgrading
269
Outline
271
Overview of Upgrade
271
Overview of Service Support Tool
271
Making Preparations
271
Registering the System Software
271
Connection
273
Downloading System Software
274
Downloading the System Software
274
Downloading Procedure
274
Downloading the Boot Software
279
Downloading Procedure
279
Downloading the Language Module
279
Otehr Upgrade Methods
279
Downloading the PCL Software
279
Chapter 16 Service Tools
281
Special Tools
283
Oils and Solvents
283
Parts Catalog
284
Numerical Index
287
Mf7170I/Imageclass MF7120/MF7280
287
Assembly Location Diagram
295
Accessories
298
External Covers, Panels, Etc
299
Machine Front Plate
302
Spring Tension
303
Machine Rear Plate
310
Control Panel Assembly
313
Paper Feeder Frame Assembly
318
Reader Assembly
320
Main Drive Assembly
325
Fixing Drive Assembly
327
Cassette
329
Cassette Feeder Assembly
331
Paper Pick-Up Assembly
333
Cassette Feeder Assembly(Mf7280)
336
Paper Pick-Up Assembly(Mf7280)
339
Multi Feed Tray Assembly
342
Paper Delivery Assembly
344
Fixing Assembly
346
Packing Kit
349
Adf Assembly
351
Document Tray Assembly
354
Open/Close Panel Assembly
356
Paper Feeder Assebly
358
Duplex Mounting Hardware(Mf7280)
361
Duplex Feeder Assembly(Mf7280)
363
Duplex Reverse Unit (Mf7280)
366
Packing Kit
368
Cable Modem
369
Image Processor Pcb Assembly
370
Modem Pcb Assembly
372
Hvt Pcb Assembly
373
Fax Board Pcb Assembly
374

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