Adjustment At Parts Replacement; After Replacing The Control Panel; After Replacing The Itb Unit; After Replacing The Color Displacement Density Sensor Unit - Canon MF735C Series Service Manual

Adjustment at Parts Replacement

After Replacing the Control Panel

1. Execute the following service mode to adjust the coordinate position on the touch panel.
• COPIER > ADJUST > PANEL > TOUCHCHK
2. Check that the service mode setting value is "1" in the following service mode.
• COPIER > ADJUST > PANEL > TOUCH-R
CAUTION:
When the value is not "1" in the above service mode, re-adjust the coordinate position on the touch panel.

After Replacing the ITB Unit

1. Perform the following
• Adjustment / Maintenance > > Adjust Image Quality > Full Adjust

After Replacing the Color Displacement Density Sensor Unit

1. Perform the following
• Adjustment / Maintenance > > Adjust Image Quality > Full Adjust

Engine Controller PCB

■ Before Replacing the Engine Controller PCB
The setting values stored in the Engine Controller PCB NVRAM can be backed up to the Main Controller PCB NVRAM.
The setting values can be backed up by performing the following method.
• SERVICE MODE > COPIER > FUNCTION > VIFFNC > STOR-DCN
Turn OFF and then ON the power.
CAUTION:
Perform backup immediately before replacing the Engine Controller PCB.
■ After Replacing the Engine Controller PCB
The setting values of the NVRAM on the Engine Controller PCB are stored in the NVRAM on the Main Controller PCB as a
backup.
The setting values can be restored by performing the following method.
• SERVICE MODE > COPIER > FUNCTION > VIFFNC > RSTR-DCN
Turn OFF and then ON the power.

Main Controller PCB

■ Before Replacing the Main Controller PCB
The following setting values are recorded in the Main Controller PCB. When the Main Controller PCB is replaced, these setting
values are all returned to the default unless they are restored.
• User mode setting values
• Service mode setting values
These setting values can be restored by performing backup by either of the following methods.
Refer to the Backup List for the details of items that are backed
• SERVICE MODE > COPIER > FUNCTION > SYSTEM > EXPORT
up."Backup Data List" on page 368
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6. Adjustment