Control Panel Cpu Pcb/Lcd Panel/Touch Sheet; Developing Unit; Patch Sensor Unit; Pre-Exposure Led Unit - Canon imageRUNNER ADVANCE C3330 Series Service Manual

Control Panel CPU PCB/LCD Panel/Touch Sheet

Parts replacement
Replace the parts by referring to the
294.
After Replacement
Execute the following service mode to adjust the Touch Panel only when replacing a single part.
COPIER > FUNCTION > PANEL > TOUCHCHK
CAUTION:
If the coordinate on the Touch Panel is not correct, adjustment of the Touch Panel may not be performed. In that case, the
Touch Panel can be adjusted by performing the following menu operation using hardware keys.
Press the [Settings/Registration] button on the service mode top screen, and then press [5] key 3 times.

Developing Unit

Replacing Method
Proceed the following the procedure according to the replaced colour of the developing unit.
1. Execute the following service setting values according the replaced colour of the developing unit.
• COPIER > FUNCTION > INSTALL > INISET-Y
• COPIER > FUNCTION > INSTALL > INISET-M
• COPIER > FUNCTION > INSTALL > INISET-C
• COPIER > FUNCTION > INSTALL > INISET-K
2. Write the following service setting values on the service label in the front cover according the replaced colour of the developing
unit.
• COPIER > ADJUST > DENS > D-Y-LVL
• COPIER > ADJUST > DENS > D-M-LVL
• COPIER > ADJUST > DENS > D-C-LVL
• COPIER > ADJUST > DENS > D-K-LVL
• COPIER > ADJUST > DENS > CONT-Y
• COPIER > ADJUST > DENS > CONT-M
• COPIER > ADJUST > DENS > CONT-C
• COPIER > ADJUST > DENS > CONT-K
3. Execute auto gradation adjustment.

Patch Sensor Unit

Parts replacement
Replace the unit by referring to the
Adjustment procedure
1. Enter the service mode values written on the label included in the package.
COPIER > ADJUST > DENS > PALPHA-F
COPIER > ADJUST > DENS > PALPHA-R
2. Execute auto gradation adjustment.
3. After executing auto gradation adjustment, see the alarm log to check that 10-0006/10-0007 has not occurred.
When an alarm occurs, perform a remedy according to the instruction of the alarm.

Pre-Exposure LED Unit

Replacing Method
1. Light up the Cleaning Pre-exposure LED and check that the LED lights up on the following service mode.
• COPIER > FUNCTION > MISC-P > PRE-EXP
"Removing the Touch Panel/LCD Unit and the Control Panel Key Switch PCB" on page
"Removing the Patch Sensor Unit" on page
396
334.
5. Adjustment