Samsung SCX-82x0 series Service Manual page 3

2.6.1 Fuser unit overview ..................................................................................................................... 2-34
2.6.2 Fuser unit components ............................................................................................................. 2-35
2.6.3 Fuser unit drive ............................................................................................................................. 2-36
2.6.4 Temperature control .................................................................................................................. 2-37
2.7 Laser Scanning Unit ............................................................................................................................ 2-38
2.7.1 Laser Scanning Unit overview .............................................................................................. 2-38
2.7.2 Laser Scanning Optical path ................................................................................................ 2-39
2.7.3 Laser synchronizing detectors ............................................................................................. 2-40
2.8 Printer Drive system ........................................................................................................................... 2-41
2.8.1 Drive Motors .................................................................................................................................. 2-41
2.8.2 Main drive unit ............................................................................................................................. 2-43
2.8.3 Pick-up Drive ................................................................................................................................. 2-44
2.8.4 Fuser/Exit Drive ............................................................................................................................. 2-45
2.8.5 Toner Duct drive .......................................................................................................................... 2-46
2.8.6 Drive of Toner Supply ............................................................................................................... 2-46
2.8.7 WTB leveling drive ...................................................................................................................... 2-47
2.8.8 PR Release drive ........................................................................................................................... 2-47
2.9 Scanner system ..................................................................................................................................... 2-48
2.9.1 Scanner System overview ...................................................................................................... 2-48
2.9.2 Scanning System components ............................................................................................ 2-49
2.10 DADF ..................................................................................................................................................... 2-51
2.10.1 DADF System overview ........................................................................................................ 2-51
2.10.2 Electric parts layout .................................................................................................................. 2-54
2.10.3 DADF Drive System .................................................................................................................. 2-55
2.10.3.1 DADF Original Drive assembly ............................................................................... 2-56