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Mono Laser MFP
SCX-472x series
SCX-4729FD/HD/FW,
SCX-4728FD/HN, SCX-4701ND,
SCX-4705ND, SCX-4726FN
SERVICE MANUAL
Mono Laser MFP Contents
1. Precautions
2. Product specification and description
3. Disassembly and Reassembly
4. Alignment and Troubleshooting
5. System Diagram
6. Reference Information
Refer to the service manual in the GSPN (see the rear cover) for more information.
Downloaded from www.Manualslib.com manuals search engine
Contents
Contents
1. Precautions ...................................................................................................................................... 1 - 1
1.1. Safety warning ........................................................................................................................ 1 - 1
1.2. Caution for safety .................................................................................................................... 1 - 2
1.2.1. Toxic material............................................................................................................. 1 - 2
1.2.2. Electric shock and fire safety precautions ......................................................................... 1 - 2
1.2.3. Handling precautions ................................................................................................... 1 - 3
1.2.4. Assembly and Disassembly precautions ........................................................................... 1 - 3
1.2.5. Disregarding this warning may cause bodily injury ............................................................ 1 - 4
1.3. ESD precautions ...................................................................................................................... 1 - 5
2. Product specification and description..................................................................................................... 2 - 1
2.1. Product Specifications .............................................................................................................. 2 - 1
2.1.1. Product Overview........................................................................................................ 2 - 1
2.1.2. Specifications ............................................................................................................. 2 - 2
2.1.2.1. General Print Engine...................................................................................... 2 - 2
2.1.2.2. Copier specification ....................................................................................... 2 - 2
2.1.2.3. Scan specification.......................................................................................... 2 - 3
2.1.2.4. Fax specification ........................................................................................... 2 - 4
2.1.2.5. Controller and Software.................................................................................. 2 - 5
2.1.2.6. Paper Handling ............................................................................................. 2 - 7
2.1.2.7. Consumables ................................................................................................ 2 - 8
2.1.2.8. Reliability and Service ................................................................................... 2 - 8
2.1.2.9. Environment ................................................................................................ 2 - 8
2.1.2.10. Maintenance parts ......................................................................................... 2 - 9
2.1.2.11. Options ....................................................................................................... 2 - 9
2.1.3. Model Comparison Table .............................................................................................. 2 - 10
2.2. System Overview..................................................................................................................... 2 - 11
2.2.1. Front View ................................................................................................................. 2 - 11
2.2.2. Rear View .................................................................................................................. 2 - 12
2.2.3. Paper Path.................................................................................................................. 2 - 13
2.2.4. System Layout ............................................................................................................ 2 - 14
2.2.4.1. Feeding Part ................................................................................................. 2 - 15
2.2.4.2. Transfer Roller ............................................................................................. 2 - 16
2.2.4.3. Drive Unit ................................................................................................... 2 - 16
2.2.4.4. Fuser .......................................................................................................... 2 - 17
2.2.4.5. LSU (Laser Scanner Unit)............................................................................... 2 - 18
2.2.4.6. Toner Cartridge............................................................................................. 2 - 19
2.2.5. Hardware configuration ................................................................................................ 2 - 20
2.2.5.1. Main board .................................................................................................. 2 - 21
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