12-1
12
12. EXPOSURE SECTION
LDD Circuit Board/AOM Driver Section.............................................. 12-3
Thermohygrometer (HS760) Replacement.......................................................... 12-4
Feed Section Cooling Fan 5 (F609) Replacement .............................................. 12-5
Feed Section Cooling Fan 4 (F608) Replacement .............................................. 12-5
LDD/AOM Cooling Fan (F614A/B) Replacement................................................. 12-6
12.1.10 Operation Panel/Keyboard Circuit Board (KEY23) Replacement ..................... 12-8
Anti-dust Fan 1/2/3 (F610/F611/F612) Replacement ......................................... 12-10
Shutter Open/Close Sensor (D674) Replacement ............................................ 12-15
Exposure Point Thermometer (TS650) Replacement....................................... 12-15
Sub-scanning Feed Motor (M650) Replacement............................................... 12-21
Soft Nip Home Position Sensor (D651) Replacement ...................................... 12-24
Exposure Section Entrance Paper Sensor (D650P)/Exposure Position
12.3.10 Exposure Section Entrance Paper Sensor LED (D650L)/Exposure
Position Paper Sensor LED (D653L) Replacement ........................................ 12-26