Xerox Phaser 6120

Print Engine Theory of Operation
Phaser® 6120 Color Laser Printer Service Manual
7-5
Control Block Diagram
Print Control Board (PWB-P)
Mechanical Control
Board (PWB-A)
Write Unit (PH)
Image processing
CPU
Control Panel (PWB-OP)
Paper Pick-up/
transport
TC/Y TC/M TC/C TC/K
Control System Line
Image Bus Line
Fusing
Duplex Unit* Lower Feeder Unit*
Power supply/
high voltage
4139T2E501DA
Image process