Brother HL-2400C Service Manual page 209

CHAPTER VII DISASSEMBLY................................ .................... VII-1
1. BEFORE STARTING DISASSEMBLY ......................................................VII-1
1.1 Precautions .................................................................................................................... VII-1
1.2 Preparation of Disassembly ........................................................................................... VII-1
2. PARTS NAME...........................................................................................VII-3
2.1 Cover ............................................................................................................................. VII-3
2.2 Circuit Boards (PCBs).................................................................................................... VII-4
2.3 Motor Units..................................................................................................................... VII-4
2.4 Clutches and Solenoids ................................................................................................. VII-5
2.5 Sensors.......................................................................................................................... VII-6
3. DISASSEMBLY FLOW .............................................................................VII-7
4. DISASSEMBLY PROCEDURE .................................................................VII-8
4.1 Right Side of the Printer ................................................................................................. VII-8
4.1.1 Side Cover (R)......................................................................................................... VII-8
4.1.2 Base Cover (R)........................................................................................................ VII-9
4.1.3 Registration Clutch (RECL) ..................................................................................... VII-9
4.1.4 Fuser Clutch (FUCL) ............................................................................................... VII-9
4.1.5 Drum Cleaner Clutch (FBCL) .................................................................................. VII-9
4.1.6 IOD2 PCB (with base) ........................................................................................... VII-10
4.1.7 Developer Drive Motor (DM) ................................................................................. VII-11
4.1.8 Main Motor (MM) ................................................................................................... VII-11
4.1.9 Paper Feeding Clutch (PCLU)............................................................................... VII-12
4.1.10 Developer Clutch (K, Y, M, C) ............................................................................. VII-12
4.1.11 Developer Drive Unit ........................................................................................... VII-13
4.1.12 Drum Cleaner Solenoid (FBSOL) ........................................................................ VII-13
4.1.13 Main Gear Unit .................................................................................................... VII-14
4.1.14 Transfer Solenoid (TRSOL)................................................................................. VII-14
4.1.15 Ozone Fan (OZFAN) ........................................................................................... VII-15
4.1.16 Toner Sensor Assembly (TPD) ........................................................................... VII-15
4.1.17 Waste Toner Sensor (WTS) ................................................................................ VII-16
4.1.18 Waste Toner Feeder (L) ...................................................................................... VII-16
4.2 Top of the Printer .......................................................................................................... VII-17
4.2.1 Upper Side Cover (LU) ........................................................................................... VII-17
4.2.2 Panel PCB (including LCD) .................................................................................... VII-18
4.2.3 Side Cover (L) ........................................................................................................ VII-18
4.2.4 Base Cover (L) ....................................................................................................... VII-19
4.2.5 Upper Cover ........................................................................................................... VII-19
4.2.6 IOD1 PCB............................................................................................................... VII-20
4.2.7 Control Fan (CTFAN) ............................................................................................. VII-20
4.2.8 Interlock Switch (Top) (Paper Exit Unit) ................................................................. VII-21
4.2.9 Drum Cleaner ......................................................................................................... VII-21
4.2.10 Waste Toner Feeder Unit / Belt Sensor (PBS)..................................................... VII-22
4.2.11 Transfer Drum ...................................................................................................... VII-22
4.2.12 Erase Lamp .......................................................................................................... VII-23
4.2.13 Drum Jam Sensor (DPJ) ...................................................................................... VII-24