Samsung CLP-775ND, Руководство по обслуживанию

Страница: 3 / 134

Contents
2.2.5.4. HVPS sub board ........................................................................................... 2 − 25
2.2.5.5. Fuser Drive Board ......................................................................................... 2 − 26
2.2.5.6. OPE Board................................................................................................... 2 − 27
2.2.5.7. Sensor......................................................................................................... 2 − 28
2.2.6. Software Descriptions .................................................................................................. 2 − 30
2.2.6.1. Overview..................................................................................................... 2 − 30
2.2.6.2. Architecture ................................................................................................. 2 − 30
2.2.6.3. Data and Control Flow ................................................................................... 2 − 31
3. Disassembly and Reassembly .............................................................................................................. 3 − 1
3.1. Precautions when replacing parts ................................................................................................ 3 − 1
3.1.1. Precautions when assembling and disassembling ............................................................... 3 − 1
3.1.2. Preautions when handling PBA ...................................................................................... 3 − 1
3.1.3. Releasing Plastic Latches .............................................................................................. 3 − 2
3.2. Screws used in the printer.......................................................................................................... 3 − 3
3.3. Replacing a maintenance parts.................................................................................................... 3 − 6
3.3.1. Fuser Unit .................................................................................................................. 3 − 6
3.3.2. Pick-Up roller ............................................................................................................. 3 − 7
3.3.3. Retard Roller .............................................................................................................. 3 − 8
3.3.4. Dust Cleaning Kit........................................................................................................ 3 − 9
3.4. Disassembly Procedure ............................................................................................................. 3 − 10
3.4.1. Cover ........................................................................................................................ 3 − 10
3.4.2. Front Cover ................................................................................................................ 3 − 13
3.4.3. OPE Unit ................................................................................................................... 3 − 14
3.4.4. Main PBA.................................................................................................................. 3 − 14
3.4.5. HVPS board ............................................................................................................... 3 − 15
3.4.6. SMPS Board............................................................................................................... 3 − 15
3.4.7. HVPS Sub Board (AC Board) ........................................................................................ 3 − 16
3.4.8. Fuser Control Board..................................................................................................... 3 − 17
3.4.9. LSU.......................................................................................................................... 3 − 18
3.4.10. Clutch Pick-Up and Clutch-Feed .................................................................................... 3 − 19
4. Alignment and Troubleshooting ........................................................................................................... 4 − 1
4.1. Alignment and Adjustments....................................................................................................... 4 − 1
4.1.1. Control Panel.............................................................................................................. 4 − 1
4.1.2. Understanding The Status LED ...................................................................................... 4 − 2
4.1.3. JAM Removal............................................................................................................. 4 − 3
4.1.3.1. Clearing Paper Jams ...................................................................................... 4 − 3
4.1.4. Useful menu item for service ......................................................................................... 4 − 7
4.1.5. Periodic Defective Image .............................................................................................. 4 − 8
4.1.6. Useful management tools .............................................................................................. 4 − 9
4.1.6.1. Using Samsung Easy Printer Manager (Windows only) ........................................ 4 − 9
Copyright© 1995-2016 SAMSUNG. All rights reserved. ii