The printer electrical system consists of the main controller PCB and power supply PCB which are mounted on the back side of the printer, the carriage relay PCB,

the head relay PCB, and printhead which are mounted in the carriage, the operation panel on the right upper cover and other electrical components such as sensors,

and motors.

The main controller PCB manages the image data processing and the entire electrical system, and controls relay PCBs and driver functions.

Carriage relay PCB

Power supply PCB

HDD

Main controller PCB

Operation panel PCB

Head relay PCB

Maintenance cartridge relay PCB

F-2-24

2-32

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