COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
9-1
CHAPTER 9 EXTERNALS/AUXILIARY MECHANISMS
I . CONTROL PANEL
A. Outline
The copier's control panel consists of the PCBs shown in Figure 9-101 and a liquid crystal
display (LCD) panel capable of showing images using 320 × 240 dots.
Figure 9-101 Functional Construction
CPU
CPU
System
motherboard
MFC
PCB
Image
processor
PCB
DC controller
PCB
Control panel
inverter PCB
LCD
PCB
(LCD)
Control
panel PCB
(keys and LEDs)
Control panel
power switch
PCB
LCD contrast
adjustment
PCB
Control panel CPU PCB
CPU
CPU
Control panel
• Monitoring key inputs (keypad,
function keys)
• Controlling buzzer sound
• Turning on/off control panel
LEDs
• Controls data communication
• Supplies data (display data)
Adjusts the LCD contrast.
Related Service Mode
COPIER>FUNCTION>PANEL>
LCD-CHK
COPIER>FUNCTION>PANEL>
LED-CHK
COPIER>FUNCTION>PANEL>
LED-OFF
COPIER>FUNCTION>PANEL>
KEY-CHK
COPIER>FUNCTION>PANEL>
TOUCHCHK
Checks the LCD for missing dots.
Starts a check on the control panel LEDs (activation).
Ends a check on the control panel LEDs (de-activation).
Starts a check on key inputs.
Adjusts coordinates of the touch panel.