Brother LX-200 Service Manual page 19

Chapter 3. DISASSEMBLY PROCEDURES
3.1 Safety Precautions ............................................................................................................ 3-1
3.2 Removing the Film Cartridge ............................................................................................ 3-1
3.3 Covers ............................................................................................................................... 3-2
3.3.1 Removing the Trimmer Upper Cover ................................................................... 3-2
3.3.2 Removing the Top Cover ...................................................................................... 3-3
3.3.3 Removing the Sub-tray ......................................................................................... 3-4
3.3.4 Removing the Paper Tray and Paper Guide......................................................... 3-4
3.3.5 Removing the Body Cover B................................................................................. 3-5
3.3.6 Removing the Front Cover.................................................................................... 3-7
3.3.7 Removing the Cover Switch Assy ........................................................................ 3-8
3.3.8 Removing the Dial Switch Holder Assy B............................................................. 3-9
3.3.9 Disassembling the Dial Switch Holder Assy B ................................................... 3-10
3.4 Chassis............................................................................................................................ 3-12
3.4.1 Removing the Harness Connectors.................................................................... 3-12
3.4.2 Removing the PE Sensor Unit ............................................................................ 3-12
3.4.3 Removing the Chassis Unit ................................................................................ 3-13
3.5 PCBs................................................................................................................................ 3-15
3.5.1 Removing the Main PCB Assy............................................................................ 3-15
3.5.2 Removing the Jack PCB Assy ............................................................................ 3-15
3.5.3 Removing the Switch PCB Assy......................................................................... 3-16
3.6 T-Chassis ........................................................................................................................ 3-17
3.6.1 Removing the T-Chassis Unit ............................................................................. 3-17
3.6.2 Disassembling the T-Chassis Unit...................................................................... 3-18
3.7 Y-CA Chassis .................................................................................................................. 3-19
3.7.1 Removing the Y-CA Chassis Assy ..................................................................... 3-19
3.7.2 Disassembling the Y-CA Chassis Assy .............................................................. 3-20
3.7.3 Removing the Roller Holder Assy....................................................................... 3-21
3.7.4 Disassembling the Roller Holder Assy ............................................................... 3-22
3.8 Sensor Frame and Y-cutter Arm L .................................................................................. 3-23
3.8.1 Removing the Sensor Frame.............................................................................. 3-23
3.8.2 Removing the Y-cutter Arm L ............................................................................. 3-23
3.8.3 Disassembling the Sensor Frame ...................................................................... 3-24
3.8.4 Disassembling the Y-cutter Arm L ...................................................................... 3-25
3.9 Paper Feed Roller ........................................................................................................... 3-26
3.9.1 Removing the Paper Feed Sub-roller Assy ........................................................ 3-26
3.9.2 Removing the Paper Feed Roller Assy............................................................... 3-27
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