Chapter 10 Externals/Auxiliary Mechanisms; Control Panel; Outline - Canon GP335 Service Manual

I. CONTROL PANEL
A. Outline
The machine's control panel consists of the PCBs shown in Figure 10-101 and a liquid crystal
display (LCD) capable of showing images in 320 x 240 dots. The control panel has the following
functions:
[1] Data communication
[2] LCD processing
[3] LCD contrast adjustment
[4] Touch switch input processing
Image processor PCB

Control panel

inverter PCB
LCD panel
Fax one-touch key
open/closed
Control
detection PCB
panel
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)

CHAPTER 10 EXTERNALS/AUXILIARY MECHANISMS

Control panel CPU PCB
Keypad PCB
Main
power supply lamp
LCD contrast
adjustment PCB
Figure 10-101
IP-CPU
Control panel CPU

Control panel

power switch PCB
Download PCB
Function key PCB
10-1