Brother DCP375CW Service Manual page 192

CHAPTER 6 DISASSEMBLY/REASSEMBLY AND LUBRICATION
This chapter details procedures for disassembling and reassembling the machine together with related
notes. The disassembly order flow provided enables you to see at a glance the quickest way to get to
component(s) involved.
At the start of a disassembly job, you check the disassembly order flow that guides you through a
shortcut to the target components.
This chapter also covers screw tightening torques and lubrication points to which the specified
lubricants should be applied during reassembly jobs.
6.1 DISASSEMBLY/REASSEMBLY ............................................................................. 6-1
Safety Precautions.............................................................................................. 6-1
Tightening Torque ............................................................................................... 6-2
Preparation ......................................................................................................... 6-3
How to Access the Target Component................................................................ 6-4
Disassembly Flowchart ....................................................................................... 6-5
6.1.1 Jam Clear Cover ....................................................................................... 6-6
6.1.2 Scanner Cover (Scanner Unit) .................................................................. 6-7
6.1.3 ADF & Document Cover ASSY*1
Document Cover*2 .................................................................................... 6-13
6.1.4 Disassembly of ADF & Document Cover ASSY (for models with ADF) .... 6-15
6.1.5 Control Panel ASSY .................................................................................. 6-27
6.1.6 Disassembly of Control Panel ASSY......................................................... 6-29
Models with color LCD .............................................................................. 6-29
Models with monochrome LCD ................................................................. 6-34
6.1.7 Backup Battery (for models with backup battery), Speaker (for models
with speaker), Upper Cover, and Encoder Guard Film.............................. 6-36
6.1.8 Ink Cartridge Cover, Inner Media Module Cover, Front Cover, and
WLAN PCB (for wireless LAN-enabled models) ....................................... 6-41
6.1.9 Main PCB .................................................................................................. 6-43
6.1.10 MJ/PS Shield Unit (MJ PCB* and Power Supply PCB)............................. 6-50
6.1.11 Hook Switch PCB (for models with handset)............................................. 6-58
6.1.12 Head/Carriage Unit and Ink Refill ASSY ................................................... 6-60
6.1.13 Ink Absorber Box, Ink Absorber Felts, and PF Encoder Disk.................... 6-72
6.1.14 Engine Unit and Flushing Box ................................................................... 6-74
6.1.15 Components on the Engine Unit (Earth spring, Maintenance unit,
ASF motor*, Carriage motor, Star wheel holder, Paper ejection roller,
Platen, Inner chute ASSY, Registration sensor actuator, PF encoder/
registration sensor harness unit, Paper pull-in rollers R and L,
ASF gear shaft outer, and PE actuator) .................................................... 6-78
6.1.16 Bank ASSY and Base Pad on the Paper Tray ASSY................................ 6-90
6.1.17 Routing of the Harnesses, Flat Cables, and Ink Supply Tubes ................. 6-91
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