Brother MFC-J5335DW Service Manual page 6

4.7.2 Document double feeding ........................................................................... 2-76
4.7.3 Document jam ............................................................................................. 2-77
4.7.4 Wrinkles on documents............................................................................... 2-79
4.7.5 Document size not correctly detected ......................................................... 2-79
4.8 Scanned-image Problems ................................................................................... 2-80
4.8.1 Defective images......................................................................................... 2-80
4.8.2 Troubleshooting from image defect............................................................. 2-80
4.9 Fax Problems ...................................................................................................... 2-85
4.9.1 No faxes can be sent .................................................................................. 2-85
4.9.2 No faxes can be received............................................................................ 2-85
4.9.3 A communications error occurs................................................................... 2-85
4.10 Other Problems ................................................................................................... 2-86
4.10.1 The machine cannot be powered ON ......................................................... 2-86
4.10.2 USB flash memory does not function.......................................................... 2-86
4.10.3 Data of USB flash memory does not read................................................... 2-86
4.10.4 Internal memory errors................................................................................ 2-87
4.10.5 Security Function Lock related problems .................................................... 2-87
4.10.6 Ink cartridge related problems..................................................................... 2-87
4.10.7 Noise comes from machine......................................................................... 2-88
4.10.8 "Unusable Device" is displayed................................................................... 2-88
CHAPTER 3 DISASSEMBLY AND ASSEMBLY ............................................................... 3-1
1 PRECAUTIONS BEFORE PROCEEDING .................................................................... 3-1
2 PACKING ....................................................................................................................... 3-2
3 SCREW CATALOGUE................................................................................................... 3-3
4 SCREW TORQUE LIST ................................................................................................. 3-4
5 LUBRICATION ............................................................................................................... 3-6
6 OVERVIEW OF GEARS............................................................................................... 3-12
7 ROUTING OF HARNESSES AND INK SUPPLY TUBES ........................................... 3-13
8 DISASSEMBLY FLOW ................................................................................................ 3-25
9 DISASSEMBLY PROCEDURE.................................................................................... 3-27
9.1 Preparation .......................................................................................................... 3-27
9.2 MP Side Cover L ................................................................................................. 3-32
9.3 MP Side Cover R................................................................................................. 3-33
9.4 MP Tray ASSY/MP Paper Detection Sensor PCB .............................................. 3-34
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