Control Panel Cpu Pcb - Canon imageRUNNER ADVANCE C5500 Series Service Manual

1. Backup of DC Controller PCB SRAM
(Lv.2)COPIER > FUNCTION > SYSTEM > DSRAMBUP
"ACTIVE" is displayed and then "OK!" is displayed about 2 minutes later.
2. Turn OFF the main power when the above work is complete.
NOTE:
If necessary,output the servise mode setting values by P-PRINT before execution.
(Lv.1)COPIER > FUNCTION > MISC-P > P-PRINT
■ Adjustment when Replacing the Parts
1. Restoration of DC Controller PCB SRAM.
(Lv.2) COPIER > FUNCTION > SYSTEM > DSRAMRES
"ACTIVE" is displayed at execution and then "OK!" is displayed about 2 minutes later. Restoration is complete.
NOTE:
If uploading of backup data fails before replacement due to the damage to the DC Controller PCB, enter the values of service
mode items recorded on the service label or P-PRINT.

Control Panel CPU PCB

When replacing the Control Panel KEY PCB/Control Panel CPU PCB, perform the following work.
■ Actions at Parts Replacement
<Sensitivity Calibration>
Perform the operation when replacing the Control Panel KEY PCB or the Control Panel CPU PCB to correct electrical error of
the Static Touch Panel.
CAUTION:
While performing the sensitivity calibration, remove the Clear Film protecting the Control Panel Unit because detection may
not be performed correctly.
CAUTION:
Do not touch the Touch Panel during the work.
1. Turn OFF the power of the host machine.
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5. Adjustment