Brother HL-3450CN Service Manual page 174

CHAPTER 6 PERIODIC MAINTENANCE
CHAPTER 6 PERIODIC MAINTENANCE ........................................... 6-3
1. GENERAL........................................................................................................... 6-3
1.1 Handling Precautions ................................................................................................................. 6-3
1.2 List of Maintenance Tools........................................................................................................... 6-4
1.3 List of Consumables for Maintenance ........................................................................................ 6-5
2. PERIODIC MAINTENANCE CLEANING ............................................................ 6-6
2.1 Cleaning the Register Roller....................................................................................................... 6-9
2.2 Cleaning the Paper Guide ........................................................................................................ 6-10
2.3 Cleaning the Paper Exit Roller ................................................................................................. 6-11
2.4 Cleaning the Transfer Roller..................................................................................................... 6-12
2.5 Cleaning the Paper Discharger ................................................................................................ 6-13
2.6 Cleaning the OPC Belt Cartridge.............................................................................................. 6-14
2.7 Cleaning the Transfer Drum ..................................................................................................... 6-15
2.8 Cleaning the Dustproof Glass in the Laser Unit ....................................................................... 6-16
2.9 Cleaning the Printer Interior...................................................................................................... 6-17
2.10 Cleaning the Oil Pad............................................................................................................... 6-18
3. PERIODIC MAINTENANCE PARTS................................................................. 6-19
4. PERIODIC MAINTENANCE PROCEDURES ................................................... 6-21
4.1 OPC Belt Cartridge Replacement............................................................................................. 6-21
4.2 Fusing Unit Replacement ......................................................................................................... 6-23
4.3 Transfer Roller Replacement.................................................................................................... 6-26
4.4 Paper Discharger Replacement ............................................................................................... 6-28
4.5 Drum Cleaner Replacement ..................................................................................................... 6-30
4.6 Ozone Filter Replacement........................................................................................................ 6-32
4.7 Paper Feeding Roller and Separator Pad Replacement .......................................................... 6-33
4.8 Transfer Drum Replacement .................................................................................................... 6-34
4.9 Oil Pad Replacement................................................................................................................ 6-35
CONTENTS
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