Canon iPF825, Service Manual

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Chapter 2
2-37
2.4 Printer Electrical System
2.4.1 Outline
2.4.1.1 Overview
0020-5539
The printer electrical system consists of the main controller PCB and lower roll unit PCB and power supply PCB and hard disk drive 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.
F-2-25
Main controller PCB
Operation panel PCB
Lower roll unit PCB
Lower roll unit relay PCB
Carriage relay PCB
Head relay PCB
Power supply PCB
HDD