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MFC-9880N - B/W Laser - All-in-One
Brother MFC-9880N - B/W Laser - All-in-One Manuals
Manuals and User Guides for Brother MFC-9880N - B/W Laser - All-in-One. We have
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Brother MFC-9880N - B/W Laser - All-in-One manual available for free PDF download: Service Manual
Brother MFC-9880N - B/W Laser - All-in-One Service Manual (255 pages)
MULTI-FUNCTION CENTER
Brand:
Brother
| Category:
All in One Printer
| Size: 7.85 MB
Table of Contents
Chapter III. Theory of Operation
30
Service Manual
1
Safety Information
4
General Description
6
Components
7
External Appearance and Weight
7
Machine Outline
7
Specifications
8
Installing the Update Data to the Facsimile Machine
26
Table of Contents
30
1 Overview
31
2 Mechanisms
32
Scanner Mechanism
33
Laser Printing Mechanism
35
Paper Pick-Up and Registration Mechanism
35
Print Process Mechanism
36
Heat-Fixing Mechanism
38
Paper Ejecting Mechanism
39
Sensors and Actuators
40
3 Control Electronics
43
Chapter IV. Disassembly/Reassembly and Lubrication
45
1 Disassembly/Reassembly
47
Safety Precautions
47
Preparation
48
How to Access the Object Component
48
Disassembly Order Flow
49
Lower Rear Cover
50
Access Plates R and F
50
Paper Cassette
51
Document Tray ASSY
52
Upper Rear Cover
54
ADF Unit and Document Tray Open Sensor
55
Disassembling the ADF Unit
57
Scanner Unit and Control Panel ASSY
62
Disassembling the Scanner Unit
65
Disassembling the Control Panel ASSY
70
Relay PCB
71
Speaker
72
Scanner Mount
73
Paper Sub Tray and Tray Holder
76
VC Cover, VC Bracket, and VC Connector PCB (for Models Supporting Video Capture
77
Front Cover
78
Front Sub Cover (for Models Not Supporting Video Capture
78
Outer Chute and Paper Pinch Rollers
79
Main Cover
80
Switch Cover (for Models Not Equipped with a Power Switch
81
Laser Unit
82
Heat-Fixing Unit and FU Lamp
83
Fan
97
Drive Gear ASSY and Main Motor ASSY
99
NCU Shield and NCU PCB
101
Bottom Plate, Main PCB, and Bottom Insulation Film
103
Low-Voltage Power Supply PCB and Power Inlet
107
Inner Insulation Film, High-Voltage Power Supply PCB, Engine PCB, and 2Nd Cassette Relay PCB
109
Toner Sensor (Light-Receiver) PCB and Toner Sensor (LED) PCB
111
Gears and Paper Pick-Up Roller
112
Paper Feed Roller ASSY
113
Clutch Levers, Cassette Guide L, and Solenoid
114
Cleaning of High-Voltage Contacts and Grounding Contacts
115
2 Lubrication
117
1 ] ADF Unit
117
2 ] Scanner Mount
118
3 ] Drive Gear ASSY
119
4 ] Paper Cassette
120
Chapter V. Maintenance Mode
122
1 Entry into the Maintenance Mode
123
2 List of Maintenance-Mode Functions
124
3 Detailed Description of Maintenance-Mode Functions
127
EEPROM Parameter Initialization
127
Printout of Scanning Compensation Data
128
ADF Performance Test
130
Test Pattern 1
131
Firmware Switch Setting and Printout
132
Operational Check of LCD
135
Operational Check of Control Panel PCB
135
Sensor Operational Check
138
CCD Scanner Area Setting
140
EEPROM Customizing
140
Erasure of Received FAX Messages Temporarily Stored in the Flash Memory (Not Applicable to the American Version
141
A Display of the Equipment's Log Information
142
Machine Error Code Indication
143
Output of Transmission Log to the Telephone Line (Not Applicable to Machines W/O Fax
143
Cancellation of the Memory Security Mode (Not Applicable to the American Version or Machines W/O Fax
144
Chapter VI. Error Indication and Troubleshooting
146
1 Error Indication
147
Machine Errors
147
1 ] Error Messages on the LCD
147
2 ] Error Codes Shown in the "MACHINE ERROR X X" Message
151
Communications Errors (Not Applicable to Machines W/O Fax
153
2 Troubleshooting
163
Introduction
163
Precautions
163
Checking Prior to Troubleshooting
163
Troubleshooting Procedures
165
1 ] Control Panel Related
165
2 ] Telephone Related
165
3 ] Communications Related
166
4 ] Paper/Document Feeding Related
166
5 ] Print-Image Related
167
6 ] PC-Driven or Video Capture-Driven Printing
173
Location of High-Voltage Contacts and Grounding Contacts
174
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