Samsung CLX-9252 Series Service Manual page 3

2.7.5 Shutter mechanism ................................................ 2-49
2.8 Printer Drive system ...................................................... 2-50
2.8.1 Drive Motors ......................................................... 2-50
2.8.2 Main drive unit (OPC, DEVE, ITB, T1 DIS/ENG) ............ 2-52
2.8.3 Pick-up Drive ......................................................... 2-53
2.8.4 MP, Regi and Duplex Drive ....................................... 2-54
2.8.5 Fuser Exit and Duplex Return Drives ........................... 2-55
2.8.6 LSU shutter Drive ................................................... 2-56
2.8.7 WTB leveling drive ................................................ 2-56
2.8.8 Toner Supply Drive ................................................... 2-57
2.9 Scanner system ......................................................... 2-58
2.9.1 Scannner system overview ....................................... 2-58
2.9.2 Scanning System components ................................. 2-59
2.10 DADF system ............................................................ 2-61
2.10.1 DADF systme overview .......................................... 2-61
2.10.2 Electric parts layout ................................................ 2-62
2.10.3 Description of drive system operations ........................ 2-63
2.11 Printer Electronics confi guration .................................... 2-69
2.11.1 Main controller ................................................... 2-71
2.11.2 OPE controller ................................................... 2-78
2.11.3 DADF controller ................................................... 2-82
2.11.4 Interface part ...................................................... 2-83
2.11.5 Connection part ................................................... 2-83
2.11.6 SMPS board1 ................................................... 2-84
2.11.7 SMPS board2 ................................................... 2-86
2.11.8 FDB board ......................................................... 2-88
2.11.9 HVPS board ...................................................... 2-89
2.11.10 Eraser PBA ...................................................... 2-93
2.11.11 Side Joint PBA ................................................... 2-93
2.11.12 Fuser PBA ......................................................... 2-94
2.11.13 Waste Sensor PBA ............................................. 2-94
2.11.14 LED Panel PBA ................................................... 2-94
2.11.15 CRUM PBA ...................................................... 2-95
2.11.16 Development CRUM Interface PBA ........................ 2-95
Contents