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MFC-3340CN
Brother MFC-3340CN User Manual
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5-7
Con
fidenti
al
5.1.
3
T
op Cover
(1)
Disconne
ct
the
pa
nel-m
ain harne
ss from
the m
a
in
P
CB an
d
ta
ke
it ou
t o
f
the cable
guides on
the
upp
e
r cove
r.
104
106
Table of Contents
Chapter 2 Specifications
19
Specifications
18
Table of Contents
19
General
20
General Specifications
20
Paper Specifications
22
Printable Area
25
Specifications List
26
Theory of Operation
50
Chapter 3 Theory of Operation
51
Overview
52
Mechanical Components
53
Scanner Mechanism
54
Document Feeding and Ejecting Mechanism
54
Document Scanning Mechanism
54
Printing Mechanism
56
Paper Pulling-In, Registration, Feeding and Ejecting Mechanisms
56
1 ] Overview
59
3 ] Head/Carriage Unit
59
Ink Supply and Ink Jet Mechanism
59
4 ] Ink Cartridges
68
5 ] Ink Refill Assembly
70
6 ] Ink Supply Tubes
72
1 ] Maintenance Mechanism Components
73
2 ] Maintenance Unit Components
73
Head Maintenance Mechanism
73
3 ] Head Capping Mechanism
75
4 ] Purge Mechanism
76
Carriage Drive Mechanism
85
Sensors and Actuators
87
Control Electronics
90
Components
90
Machine Components
90
Transferring Received Fax Data
93
Chapter 5 Disassembly/Reassembly and Lubrication
97
Disassembly/Reassembly
99
Safety Precautions
99
Tightening Torque
100
Preparation
101
How to Access the Target Component
101
Disassembly Flowchart
102
Draining the Ink from the Ink Tubes -- be Sure to Perform Draining before Removing the Head/Carriage Unit, Ink Refill ASSY or Engine Unit
103
Jam Clear Cover, Blank Cover* and Handset Mount
104
Top Cover
105
Control Panel ASSY
107
Components on the Top Cover (Document Pressure Bar and Document Front and Rear Sensor Actuators)
110
Upper Hook Switch Actuator (FAX1940CN/1840C)
111
Front Cover, Media Module Cover*, and Harness Cover
112
Document Feed Roller and Document Ejection Roller
113
CIS Unit
114
Document Pressure Roller and Pinch Rollers
116
Upper Cover
117
Lower Hook Switch Actuator and Hook Switch PCB (FAX1940CN/1840C)
118
Reinforcement Plate and Scanner Drive Unit (Scanner Motor, Document Pull-In Roller, and Document Separation Roller)
120
Head/Carriage Unit
123
Old Type of Head/Carriage Unit
123
New Type of Head/Carriage Unit
131
Backup Battery (FAX1940CN)
139
Ink Refill ASSY
141
Main PCB
142
MJ/PS Shield Box, MJ PCB and Power Supply PCB
146
Ink Absorber Box
148
Engine Unit and Maintenance Unit
150
Components on the Engine Unit
152
Routing of the Harnesses and Flat Cables
164
Lubrication
169
Chapter 6 Adjustments and Updating of Settings, Required after Parts Replacement
172
Required after Parts Replacement
172
Preparation
174
Requirements
174
Writing the Update Programs/Data to the Machine
175
Embedded and Full Maintenance Programs
179
If You Replace the Head/Carriage Unit or Engine Unit
180
1 ] Load the Full Maintenance Program Temporarily (Required for the MFC3240C/FAX1840C U.s.a./Canadian Models)
180
2 ] Update the Head Property Information Stored in the EEPROM on the Main PCB
181
3 ] Clean the New Head/Carriage Unit
184
4 ] Correct the Positioning Error of the Head/Carriage Unit
185
5 ] Update the Paper Feeding Correction Value
187
6 ] Align Vertical Print Lines
190
7 ] Margin Adjustment in Near-Edge Printing
192
8 ] Print out a Test Pattern
194
9 ] Load the Firmware Designed for the Corresponding Model to the Flash ROM (Required for the MFC3240C/FAX1840C U.s.a./Canadian Models)
194
10 ] Switch Back to Standby
195
11 ] Replace the Ink Cartridges with Protective Ones
195
If You Replace the Main Pcb
196
1 ] Load the Full Maintenance Program Temporarily (MFC3240C/FAX1840C U.s.a./Canadian Models) Load Update Programs/Data (Other Models)
196
2 ] Initialize the EEPROM on the Main PCB (Function Code 01)
196
3 ] Customize the EEPROM on the Main PCB (Function Code 74)
196
4 ] Check the Control Panel PCB for Normal Operation (Function Code 13)
196
Make a Sensor Operational Check (Function Code 32)
196
6 ] Acquire White Level Data and Set the CIS Scanner Area (Function Code 55)
196
7 ] Set an ID Code and Update the Head Property Information
197
8 ] Update the Paper Feeding Correction Value
199
9 ] Align Vertical Print Lines
199
Chapter 8 Maintenance Mode
206
Embedded and Full Maintenance Programs
208
Entry into the Maintenance Mode
210
List of Maintenance-Mode Functions
211
User-Access to the Maintenance Mode
212
Detailed Description of Maintenance-Mode Functions
214
EEPROM Parameter Initialization (Function Code 01, 91)
214
Printout of Scanning Compensation Data (Function Code 05)
215
Test Pattern (Function Code 09)
218
Firmware Switch Setting and Printout (Function Codes 10 and 11)
219
Operational Check of LCD (Function Code 12)
222
Operational Check of Control Panel PCB (Function Code 13)
223
Sensor Operational Check (Function Code 32)
225
Transfer of Received FAX Data And/Or Equipment's Log (Function Code 53)
227
Fine Adjustment of Scanning Start/End Position (Function Code 54)
229
Acquisition of White Level Data and CIS Scanner Area Setting (Function Code 55)
230
Updating of Paper Feeding Correction Value (Function Code 58)
231
Travel Check of the Head/Carriage Unit, Initial Setup Mode, and Ink Absorber Count (Function Code 63)
234
Alignment of Vertical Print Lines in Monochrome (Function Code 65)
235
Margin Adjustment in Near-Edge Printing (Function Code 66)
237
Updating of Property Data (Function Code 68)
240
Initial Adjustment of PWM Value (Aging of the Head/Carriage Unit) (Function Code 69)
241
EEPROM Customizing (Function Code 74)
242
Purging Operation (Function Code 76)
243
Display of the Equipment's Log (Function Code 80)
246
Equipment Error Code Indication (Function Code 82)
247
Output of Transmission Log to the Telephone Line (Function Code 87)
247
Cancellation of the Pin TX Lock Mode (Not Applicable to U.S.A. Models)
248
Chapter 9 Error Indication and Troubleshooting
250
Error Indication
252
Equipment Errors
252
1 ] Error Messages Appearing on the LCD
252
2 ] Error Codes Contained in "MACHINE ERROR X X" Messages
255
Communications Errors
269
Troubleshooting
276
Introduction
276
Precautions
276
Checking Prior to Troubleshooting
276
Troubleshooting Based on Problem Type
278
1 ] Control Panel Problems
278
2 ] Telephone Problems
278
3 ] Communications Problems
279
4 ] Paper/Document Feeding Problems
279
5 ] Print-Image Problems
280
6 ] PC-Driven Printing Problems
285
7 ] Memory Card Driven Printing (Smartmedia, Compact Flash, Memory Stick, SD Card, or XD)
285
8 ] Others
286
Problems Encountered Frequently in the Past
287
1 ] Paper Jams
287
2 ] "MACHINE ERROR 41" Error Message
288
3 ] Ink-Related Problems
288
4 ] Auto Document Feeder (ADF) Malfunction
289
Possible Component Defects and Resulting Problems
291
1 ] ADF Mechanism
291
2 ] Scanner Mechanism
292
3 ] Head/Carriage Unit Drive and Purge Mechanisms
293
4 ] Print Head Mechanism
294
5 ] ASF Mechanism
295
6 ] Paper Feeding Mechanism
295
7 ] Speaker
295
8 ] Control Panel
296
9 ] Pcbs
296
10 ] Adjustments/Data in the Memories
297
Operating Procedure
311
4
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Brother MFC-3340CN Specifications
General
Brand
Brother
Model
MFC-3340CN
Category
Fax Machine
Language
English
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