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MFC620CN
Brother MFC620CN User Manual
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5-27
Confidential
5.1.8
Hook Switch Actuato
r and Hook S
witch
PCB (MFC620CN/620CN New U.S.A./Canadian models
and FAX2440C/2440C Ne
w)
(1)
Pull the hook switch actuator outwards, turn it
counterclockwise to release it from the boss, and
take it up and out of the lower cover.
The actuator spring also comes off.
164
166
Table of Contents
Chapter 2 Specifications
22
Outline
12
Specifications
21
Table of Contents
22
General
23
General Specifications
23
Paper Specifications
25
Printable Area
28
Specifications List
29
Theory of Operation
87
Chapter 3 Theory of Operation
88
Overview
89
Mechanical Components
90
Scanner Mechanism
93
Printing Mechanism
96
Paper Pulling-In, Registration, Feeding and Ejecting Mechanisms
96
1 ] Overview
99
Ink Supply and Ink Jet Mechanism
99
2 ] Features
100
3 ] Head/Carriage Unit
101
4 ] Ink Cartridges
108
5 ] Ink Refill Assembly
110
6 ] Ink Supply Tubes
112
Head Maintenance Mechanism
113
Maintenance Mechanism Components
113
Maintenance Unit Components
113
3 ] Head Capping Mechanism
115
4 ] Purge Mechanism
116
Carriage Drive Mechanism
125
Sensors and Actuators
127
Control Electronics
130
Components
130
Transferring Received Fax Data
133
Chapter 5 Disassembly/Reassembly and Lubrication
137
Disassembly/Reassembly
139
Safety Precautions
139
Tightening Torque
140
Preparation
141
How to Access the Target Component
141
Disassembly Flowchart
142
Jam Clear Cover
145
Document Cover (MFC410CN/215C/210C/210C New and DCP310CN/115C/117C/110C/110C New)
146
Scanner Cover (Scanner Unit)
147
ADF & Document Cover ASSY
153
Control Panel ASSY
162
Upper Cover
164
Hook Switch Actuator and Hook Switch PCB (MFC620CN/620CN New U.s.a./Canadian Models and FAX2440C/2440C New)
165
Head/Carriage Unit
167
Old Type of Head/Carriage Unit
167
New Type of Head/Carriage Unit
175
Backup Battery (MFC620CN/620CN New/Fax2440C/2440C New)
183
Ink Refill ASSY
185
Media Module Cover and Main PCB
186
MJ/PS Shield Box, MJ PCB* and Power Supply PCB
192
Ink Absorber Box
194
Engine Unit and Maintenance Unit
196
Components on the Engine Unit
198
Routing of the Harnesses and Flat Cables
210
Lubrication
218
Chapter 6 Adjustments and Updating of Settings, Required after Parts Replacement
221
Required after Parts Replacement
221
Preparation
223
Requirements
223
Loading the Update Programs/Data to the Machine
224
Embedded and Full Maintenance Programs
228
If You Replace the Head/Carriage Unit or Engine Unit
229
Load the Full Maintenance Program Temporarily (Required for the MFC210C U.s.a./Canadian Models)
229
2 ] Update the Head Property Information Stored in the EEPROM on the Main PCB
230
3 ] Clean the New Head/Carriage Unit
233
4 ] Correct the Positioning Error of the Head/Carriage Unit
234
5 ] Update the Paper Feeding Correction Value
236
6 ] Align Vertical Print Lines
239
7 ] Margin Adjustment in Near-Edge Printing
241
Print out a Test Pattern
244
Writing the Firmware to the Machine(Required for the MFC210C U.s.a./Canadian Models)
244
10 ] Switch Back to Standby
245
11 ] Replace the Ink Cartridges with Protective Ones
245
If You Replace the Main Pcb
246
Load the Full Maintenance Program Temporarily (MFC210C U.s.a./Canadian Models) Load Update Programs/Data (Other Models)
246
Initialize the EEPROM on the Main PCB (Function Code 01)
246
Customize the EEPROM on the Main PCB (Function Code 74)
247
Check the Control Panel PCB for Normal Operation (Function Code 13)
247
Make a Sensor Operational Check (Function Code 32)
247
Acquire White Level Data and Set the CIS Scanner Area
247
Set an ID Code and Update the Head Property Information
247
Update the Paper Feeding Correction Value
250
Chapter 8 Maintenance Mode
257
Embedded and Full Maintenance Programs
259
Entry into the Maintenance Mode
261
List of Maintenance-Mode Functions
262
User-Access to the Maintenance Mode
263
Detailed Description of Maintenance-Mode Functions
265
EEPROM Parameter Initialization (Function Code 01, 91)
265
Printout of Scanning Compensation Data (Function Code 05)
266
Test Pattern (Function Code 09)
268
Firmware Switch Setting and Printout (Function Codes 10 and 11)
270
Operational Check of LCD (Function Code 12)
275
Operational Check of Control Panel PCB (Function Code 13)
277
Sensor Operational Check (Function Code 32)
279
Transfer of Received FAX Data And/Or Equipment's Log (Function Code 53)
281
Fine Adjustment of Scanning Start/End Position (Function Code 54)
283
Acquisition of White Level Data and CIS Scanner Area Setting (Function Code 55)
284
Updating of Paper Feeding Correction Value (Function Code 58)
285
CIS Travel Check (Function Code 59)
289
Travel Check of the Head/Carriage Unit and Initial Setup Mode (Function Code 63)
291
Alignment of Vertical Print Lines in Monochrome (Function Code 65)
292
Margin Adjustment in Near-Edge Printing (Function Code 66)
295
Updating of Property Data (Function Code 68)
298
Initial Adjustment of PWM Value (Aging of the Head/Carriage Unit) (Function Code 69)
300
EEPROM Customizing (Function Code 74)
301
Moving Head / Carriage Unit When Paper Jam Occurs (Function Code 75)
302
Purging Operation (Function Code 76)
303
Display of the Equipment's Log (Function Code 80)
306
Equipment Error Code Indication (Function Code 82)
309
Output of Transmission Log to the Telephone Line (Function Code 87) (Not Applicable to DCP315CN/310CN/120C/117C/115C/110C)
309
Cancellation of the Pin TX Lock Mode (Not Applicable to U.S.A. Models)
310
Chapter 9 Error Indication and Troubleshooting
312
Error Indication
314
Equipment Errors
314
Error Messages Appearing on the LCD
314
Error Codes Contained in "MACHINE ERROR X X" Messages
316
Communications Errors
330
Troubleshooting
337
Introduction
337
Precautions
337
Checking Prior to Troubleshooting
337
Troubleshooting Based on Problem Type
339
1 ] Control Panel Problems
339
2 ] Telephone Problems
339
3 ] Communications Problems
340
4 ] Paper/Document Feeding Problems
340
5 ] Print-Image Problems
341
6 ] PC-Driven Printing Problems
346
7 ] Memory Card Driven Printing (Smartmedia, Compact Flash, Memory Stick, SD Card, or XD)
346
8 ] Others
347
Problems Encountered Frequently in the Past
348
1 ] Paper Jams
348
Ink-Related Problems
348
Auto Document Feeder (ADF) Malfunction (Applicable to Models with ADF Units)
350
Possible Component Defects and Resulting Problems
352
ADF Mechanism (Applicable to Models with ADF Units)
352
2 ] Scanner Mechanism
353
3 ] Head/Carriage Unit Drive and Purge Mechanisms
354
Print Head Mechanism
355
ASF Mechanism
356
Paper Feeding Mechanism
356
Speaker
356
Control Panel
357
Pcbs
357
10 ] Adjustments/Data in the Memories
358
Operating Procedure
374
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Brother MFC620CN Specifications
General
Brand
Brother
Model
MFC620CN
Category
Fax Machine
Language
English
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