2.7.3 Laser synchronizing detectors …………………………… 2-452.7.4 Automatic line position adjustment ………………………… 2-462.7.5 Shutter mechanism ………………………………………… 2-492.8 Printer Drive system ……………………………………………… 2-502.8.1 Drive Motors ………………………………………………… 2-502.8.2 Main drive unit (OPC, DEVE, ITB, T1 DIS/ENG) ………… 2-522.8.3 Pick-up Drive ………………………………………………… 2-532.8.4 MP, Regi and Duplex Drive ………………………………… 2-542.8.5 Fuser Exit and Duplex Return Drives……………………… 2-552.8.6 LSU shutter Drive …………………………………………… 2-562.8.7 WTB leveling drive ………………………………………… 2-562.8.8 Drive of Toner Supply ……………………………………… 2-572.9 Scanner system ………………………………………………… 2-582.9.1 Scannner system overview ………………………………… 2-582.9.2 Scanning System components …………………………… 2-592.10 DADF system …………………………………………………… 2-612.10.1 DADF systme overview …………………………………… 2-612.10.2 Electric parts layout ………………………………………… 2-622.10.3 Description of drive system operations…………………… 2-632.11 Printer Electronics configuration ……………………………… 2-692.11.1 Video controller …………………………………………… 2-722.11.2 OPE controller …………………………………………… 2-822.11.3 Engine controller ………………………………………… 2-862.11.4 Scan controller …………………………………………… 2-892.11.5 DADF controller …………………………………………… 2-902.11.6 Interface part ……………………………………………… 2-912.11.7 Connection part …………………………………………… 2-912.11.8 SMPS board ……………………………………………… 2-922.11.9 HVPS board ……………………………………………… 2-942.11.10 LSU2/LSU3 ……………………………………………… 2-982.11.11 Toner connector PBA …………………………………… 2-992.11.12 Deve Joint PBA …………………………………………… 2-1002.11.13 Eraser PBA ……………………………………………… 2-1012.11.14 DC Power PBA …………………………………………… 2-101Contents
