Theory of Operation 2-33
Printer Control
Printer control centers on the following:
â– Power Switch
The Power switch controls main power to the printer.
â– Engine Logic Board
Manages all mechanical functions.
â– Image Processor Board
Processes the print data and directs the development of images on the Drum
Cartridge.
â– Exit PWB
Specialized operational control of both Exit 1 and 2.
Printer parameters are held by non-volatile memory located in both these boards.
s5500-041
Power
Switch
Door A
Interlock
Fuser Fan
Front Door
Interlock
Drum Cartridge Detect Interlock
Door B
Interlock
LVPS
Image
Processor
Board
HVPS
GFI Breaker
Engine Logic
Board
Exit PWB
Drum Cartridge
Fan