Brother MFC-9200C User manual

FACSIMILE EQUIPMENT
SERVICE MANUAL
MODEL: MFC9200C/MFC860

PREFACE
This publication is a Service Manual covering the specifications, construction, theory of operation,
and maintenance of the Brother facsimile equipment. It includes information required for field
troubleshooting and repair--disassembly, reassembly, and lubrication--so that service personnel will
be able to understand equipment function, to rapidly repair the equipment and order any necessary
spare parts.
To perform appropriate maintenance so that the facsimile equipment is always in best condition for
the customer, the service personnel must adequately understand and apply this manual.
This manual is made up of six chapters and appendices.
CHAPTER I. GENERAL DESCRIPTION
CHAPTER II. INSTALLATION
CHAPTER III. THEORY OF OPERATION
CHAPTER IV. DISASSEMBLY/REASSEMBLY, LUBRICATION AND ADJUSTMENT
CHAPTER V. MAINTENANCE MODE
CHAPTER VI. ERROR INDICATION AND TROUBLESHOOTING
Appendix 1. EEPROM Customizing Codes
Appendix 2. Circuit Diagrams
This manual describes the model and its versions to be destined for major countries. The specifications and
functions are subject to change depending upon each destination.

CHAPTER IV.
DISASSEMBLY/REASSEMBLY
AND LUBRICATION

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CHAPTER IV. DISASSEMBLY/REASSEMBLY AND LUBRICATION
CONTENTS
1. DISASSEMBLY/REASSEMBLY .............................................................................. IV-1
Safety Precautions................................................................................................... IV-1
Tightening Torque List ............................................................................................. IV-2
Preparation............................................................................................................... IV-4
How to Access the Object Component ................................................................... IV-4
Disassembly Order Flow.......................................................................................... IV-5
1.1 Print Head Unit..................................................................................................... IV-6
1.2 Paper Cassette..................................................................................................... IV-11
1.3 Document Tray ASSY .......................................................................................... IV-12
1.4 Rear Cover........................................................................................................... IV-14
1.5 Document Tray Open Sensor and ADF Unit........................................................ IV-15
1.6 Control Panel ASSY, Scanner Open Sensor PCB, and Open Sensor Actuator... IV-22
1.7 Scanner Unit......................................................................................................... IV-24
1.8 Inner Cover, Front Cover, and Media PCB........................................................... IV-31
1.9 Side Cover L and VC Connector PCB.................................................................. IV-33
1.10 Side Cover R and Speaker................................................................................... IV-34
1.11 Cover Sheet and Rear Frame.............................................................................. IV-36
1.12 NCU PCB ............................................................................................................. IV-37
1.13 Power Supply PCB............................................................................................... IV-40
1.14 Main PCB ............................................................................................................. IV-41
1.15 Insulator Films and PCB Support Plate................................................................ IV-44
1.16 Front Lock Frame, Side Chassis R & L, and Ink Absorber Box........................... IV-45
1.17 Gear Frame and Main Chassis ............................................................................ IV-48
1.18 Purge Unit, Purge Switch Harness (Purge-related Switches), and Gears ........... IV-51
1.19 Platen and Star Wheels........................................................................................ IV-54
1.20 Lower Paper Chute, Paper Ejection/Cassette Sensor PCB,
and Sensor Actuators .......................................................................................... IV-55
1.21 Release Lever and Release Plate........................................................................ IV-57
1.22 Idle Pulley Related Parts and Carriage Motor ...................................................... IV-59

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1.23 Paper Pressure Holders....................................................................................... IV-61
1.24 Encoder Strip........................................................................................................ IV-62
1.25 Carriage Rail and Carriage ASSY........................................................................ IV-63
1.26 Paper Feed Motor, PF Roller Pulley L, PF Timing Belts, Paper Feed Roller,
and Paper Ejection Roller..................................................................................... IV-67
1.27 Flushing Pack....................................................................................................... IV-69
1.28 Media Flat Cables................................................................................................. IV-70
1.29 Bottom Plate......................................................................................................... IV-71
1.30 Paper Pick-up Roller ASSY, Separation Pad, and Solenoid................................ IV-71
1.31 Disassembly of Paper Feed Frame ASSY........................................................... IV-74
1.32 Registration Sensor PCB...................................................................................... IV-75
2. LUBRICATION.......................................................................................................... IV-77
[ 1 ] ADF unit.................................................................................................... IV-77
[ 2 ] Platen........................................................................................................ IV-78
[ 3 ] Idle pulley shaft ......................................................................................... IV-78
[ 4 ] Main chassis and carriage rail................................................................... IV-79
[ 5 ] Purge gear 16/18 on the purge unit .......................................................... IV-79
[ 6 ] Paper feed frame ASSY............................................................................ IV-80

CHAPTER VI.
ERROR INDICATION AND
TROUBLESHOOTING

CHAPTER VI. ERROR INDICATION AND TROUBLESHOOTING
CONTENTS
1. ERROR INDICATION................................................................................................ VI-1
1.1 Equipment Errors............................................................................................... VI-1
[ 1 ] Error messages on the LCD............................................................. VI-1
[ 2 ] Error codes shown in the
"MACHINE ERROR X X" message.................................................. VI-4
1.2 Communications Errors..................................................................................... VI-8
2. TROUBLESHOOTING.............................................................................................. VI-15
2.1 Introduction........................................................................................................ VI-15
2.2 Precautions........................................................................................................ VI-15
2.3 Checking prior to Troubleshooting..................................................................... VI-15
2.4 Troubleshooting Procedures.............................................................................. VI-17
[ 1 ] Control panel related ........................................................................ VI-17
[ 2 ] Telephone related............................................................................. VI-17
[ 3 ] Communications related................................................................... VI-18
[ 4 ] Paper/document feeding related ...................................................... VI-18
[ 5 ] Print-image related........................................................................... VI-19
[ 6 ] PC-driven or video capture-driven printing....................................... VI-22
[ 7 ] SmartMedia-driven or Compact Flash-driven printing...................... VI-23

FACSIMILE EQUIPMENT
PARTS REFERENCE LIST
MODEL: MFC860
(For Germany / United Kingdom / France
Norway / Belgium / Netherlands /
Switzerland / Ireland / Denmark / Austria /
Spain / Italy / Sweden )

FACSIMILE EQUIPMENT
PARTS REFERENCE LIST
MODEL: MFC860
(For Germany / United Kingdom / France
Norway / Belgium / Netherlands /
Switzerland / Ireland / Denmark / Austria /
Spain / Italy / Sweden )

FACSIMILE EQUIPMENT
PARTS REFERENCE LIST
MODEL: MFC9200C
(For U.S.A. / Canada / Australia
New Zealand / Asia )