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MFC-4000ML
Brother MFC-4000ML Manuals
Manuals and User Guides for Brother MFC-4000ML. We have
2
Brother MFC-4000ML manuals available for free PDF download: Operation Manual, Service Manual
Brother MFC-4000ML Service Manual (151 pages)
FACSIMILE EQUIPMENT
Brand:
Brother
| Category:
Fax Machine
| Size: 2 MB
Table of Contents
General Description
4
Equipment Outline
6
External Appearance
6
Specifications
7
Safety Information
9
Additional Information
9
Installation
10
Serial Interface Board
12
Memory Board
12
Theory of Operation
15
Table of Contents
16
Overview
17
Functional Block Diagram
17
Connection Diagram
18
Mechanisms
19
Transmitting Mechanism (Scanning and Feeding Documents)
19
Scanner
19
Overview of Printing Mechanism
20
Paper Transfer
21
Paper Supply
21
Paper Registration
21
Paper Eject
22
Process Unit
23
Photosensitive Drum
23
Primary Charger
23
Developer Roller
23
Transfer Roller
23
Cleaner Blade
23
Toner Auger
23
Eraser Lamp
23
Print Process
23
Charging
23
Exposure Stage
24
Developing
25
Transfer
25
Drum Cleaning Stage
26
Erasing Stage
26
Sensors
26
Control Electronics
28
Functional Diagram of Control Electronics
28
Main PCB
28
Driver PCB
36
Relay PCB
40
Ncu Pcb
41
Control Panel PCB
43
Power Supply PCB
44
Signal Functions and Facsimile Control Procedure
46
Control Signal Functions
46
Signal Formats
49
Facsimile Control Procedure
50
Disassembly and Reassembly
53
Safety Precautions
53
Notes
55
Disassembly Order Flow 1/2
56
Preparation
58
Handset Mount Assembly
58
Control Panel Unit
59
Panel Rear Cover Assembly, Panel PCB Assembly, FPC Key
60
Document Ejection Roller Assembly, Document Feed Roller Assembly
61
Open Cover
61
ADF Cover
62
Scanning Frame
62
Speaker
63
Main Cover
63
Relay PCB
64
PCB Support Assembly
65
Paper Empty Sensor PCB Assembly
65
Upper Shoot Cover Assembly
66
Fixing Unit
66
Laser Unit
67
Fan Guard
67
Interlock Levers
68
Fan Motor
68
Solenoid P Assembly
69
Gear Shaft Plate
69
Gears
70
Solenoid C Assembly
70
Main Motor Unit
71
Main PCB
71
Lower Plate
72
Pcbs
72
Lubrication
76
Maintenance Mode
80
Entry into the Maintenance Mode
80
Detailed Description of Maintenance-Mode Functions
82
E 2 PROM Parameter Initialization
82
Scanning Compensation Data Initialization
83
Printout of Scanning Compensation Data
83
ADF Performance Test
84
Test Pattern 1 (Fax
84
Troubleshooting
125
Troubleshooting Malfunctions
126
Printing Image Defects
131
Image Defect Examples
131
Troubleshooting Image Defects
132
Indication of Error
140
Equipment Errors
140
Error Messages on the LCD
140
Error Codes Shown in the "MACHINE ERROR XX" Message
141
Communications Errors
143
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Brother MFC-4000ML Operation Manual (188 pages)
Brother MFC-3900ML: Users Manual
Brand:
Brother
| Category:
All in One Printer
| Size: 24 MB
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