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