Brother International HL-3400CN Service Manual - Page 206

CHAPTER 7 DISASSEMBL Y & RE-ASSEMBLY CONTENTS CHAPTER 7 DISASSEMBLY & RE-ASSEMBLY 1. BEFORE STARTING DISASSEMBLY 1.1 Precautions 1.2 Preparation of Disassembly 2. PARTS NAME 2.1 Cover 2.2 Circuit Boards (PVVBs) . 2.3 Motor Units 2.4 Clutches 2.5 Sensors 3. DISASSEMBLY FLOW 4. DISASSEMBLY PROCEDURE 4.1 Right Side of the Printer 4.1.1 Side cover 3 (R) 4.1.2 Base cover 3 (R) 4.1.3 Main motor 3 (MM) 4.1.4 Developer drive motor 3 (DM) 4.1.5IOD2 PWB 4.1.6 Registration clutch 4.1.7 TR cam clutch 3 4.1.8 Cleaner clutch 3 I Cleaner cam clutch 3 I Fuser clutch 3 4.1.9 Ozone fan (OZFAN) ( ) 4.1.10 BD3 gear assembly 4.1.11 Main gear unit 3 4.1.12 Paper feeding clutch / EP3 gear assembly 4.1.13 WT holder assembly 4.1.14 Developer drive unit 3 4.1.15 Developer clutch 3 (K, Y, M, C) 4.1.16 Toner sensor (TPD) 4.1.17 Waste toner feeder (L) 4.2 Top of the Printer 4.2.1 Upper side cover (LU) (Upper side cover 3 (L)) 4.2.2 Panel PWB (including LCD) 4.2.3 Side cover 3 (L) 4.2.4 Base cover 3 (L) 4.2.5 Upper cover ( p cover 3) 4.2.6 Side cover (LF) ( ide front cover 3 (L)) 4.2.7 IOD1 PWB 4.2.8 Control fan (CTFAN) (Cooling fan (PS;:,)/ Interlock switch (Top) 4.2.9 Belt sensor (PBS) 4.2.10 Transfer drum 3 4.2.11 Erase lamp 3 I Erase holder 4.2.12 Drum jam sensor (DPJ) 4.2.13 Oil sensor (OIL) 7-2 7-4 7-4 7-4 7-4 7-6 7-6 7-7 7-7 7-8 7-8 7-9 7-10 7-10 7-10 7-11 7-12 7-13 7-14 7-15 7-15 7-16 7-17 7-18 7-18 7-19 7-19 7-20 7-21 7-21 7-22 7-23 7-23 7-24 7-24 7-25 7-26 7-26 7-27 7-27 7-29 7-29 7-30 7-31 7-31