Brother MFC-J5910DW, Service Manual

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iii Confidential
4.8.2 Control panel inoperative ............................................................................ 2-90
4.8.3 Lamps on the control panel do not light ...................................................... 2-91
4.8.4 Touch panel inoperative.............................................................................. 2-91
4.8.5 Display defect on the LCD ......................................................................... 2-91
4.9 Fax Problems ...................................................................................................... 2-92
4.9.1 No faxes can be sent .................................................................................. 2-92
4.9.2 Line type cannot be set ............................................................................... 2-92
4.9.3 No faxes can be received............................................................................ 2-93
4.9.4 A communications error occurs................................................................... 2-93
4.9.5 Receive mode cannot be changed.............................................................. 2-93
4.9.6 Caller ID not displayed ................................................................................ 2-93
4.10 Other Problems ................................................................................................... 2-94
4.10.1 The machine cannot be powered on or nothing appears on the LCD......... 2-94
4.10.2 When the power is on, the scanner crackles .............................................. 2-94
4.10.3 Memory card/PictBridge does not function (no response) .......................... 2-95
4.10.4 Cannot read data from memory card loaded in the media slot ................... 2-95
4.10.5 Internal memory errors................................................................................ 2-95
4.10.6 Cannot load firmware .................................................................................. 2-96
4.10.7 Secure Function Lock related problems...................................................... 2-96
4.10.8 Problems with "Printing with black ink only" ................................................ 2-96
CHAPTER 3 DISASSEMBLY AND ASSEMBLY ............................................................... 3-1
1 SAFETY PRECAUTIONS AND HANDLING NOTES ................................................... 3-1
2 PACKING ....................................................................................................................... 3-3
3 SCREW CATALOGUE................................................................................................... 3-4
4 SCREW TORQUE LIST ................................................................................................. 3-5
5 LUBRICATION ............................................................................................................... 3-6
6 OVERVIEW OF GEARS............................................................................................... 3-12
7 ROUTING OF HARNESSES, FLAT CABLES and INK SUPPLY TUBES.................. 3-13
8 DISASSEMBLY FLOW ................................................................................................ 3-29
9 DISASSEMBLY PROCEDURE .................................................................................... 3-31
9.1 Preparation .......................................................................................................... 3-31
9.2 Head/Carriage Unit.............................................................................................. 3-35
9.3 Document Scanner Unit and Scanner Cover Support......................................... 3-47
9.4 CIS Unit ............................................................................................................... 3-53