8. LASER OPTICAL UNIT ................................................................................................ 8-1
8.1 General Description ........................................................................................................... 8-1
8.2 Structure ............................................................................................................................ 8-3
8.3 Laser Diode ........................................................................................................................ 8-7
8.4 Laser Unit Cooling Fan ...................................................................................................... 8-8
8.5 Polygonal Motor ................................................................................................................. 8-8
9. DRIVE SYSTEM ............................................................................................................ 9-1
9.1 General Description ........................................................................................................... 9-1
9.2 Main Motor ......................................................................................................................... 9-2
9.2.1 Construction ............................................................................................................ 9-2
9.3 Transport Motor .................................................................................................................. 9-4
9.3.1 Construction ............................................................................................................ 9-4
9.4 Developer Motor ................................................................................................................ 9-6
9.4.1 Construction ............................................................................................................ 9-6
10.1 General Descriptions ....................................................................................................... 10-1
10.2.4 General operation ................................................................................................. 10-8
11.1 Construction ..................................................................................................................... 11-1
11.2 Functions ......................................................................................................................... 11-2
11.5.2 Construction .......................................................................................................... 11-6
11.6 Charger Wire Cleaner ...................................................................................................... 11-7
11.6.1 Operation .............................................................................................................. 11-7
11.6.2 Construction .......................................................................................................... 11-7
11.6.3 Drive circuit ........................................................................................................... 11-8
November 2003 © TOSHIBA TEC
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