Canon GP405 Service Handbook page 123

<INSTALL>
Adjusting the Feeding System
Level 3
TONER-S Stirs the toner inside the developing assembly at time of
installation.
• Do not execute this mode without removing the drum
1. At Time of Installation
2. After Installation
<CCD>
CCD/Shading-Related Auto Adjustment
Level 3
CCD-ADJ Executes shading auto correction.
Execute this mode after replacing the composite power
supply PCB or the laser scanner unit.
1) Select <CCD-ADJ> to highlight.
2) Press the OK key to start (automatic; about 30 sec).
3) During adjustment, the scanning lamp turns on twice;
Description
Caution:
cartridge.
Execute this mode without removing the dummy
cartridge. However, you may lock only the
developing assembly in place and use the door switch
actuator; nevertheless, the drum cartridge must not be
mounted for this method.
Unlock the feeding assembly and the developing
assembly, and remove the drum cartridge; lock the
developing assembly, and then execute this mode.
Starting the Operation
Select TONER-S to highlight; then, press the OK key.
During Operation
The count (down) will be indicated to the right of
<TONER-S>; from 240 to 0 (about 4 min). All keys
other than the Stop key remain disabled.
Description
Operation
During adjustment, the message <SERVICE> will be
indicated in the upper right of the screen.
upon completion, END is indicated on the screen.
CHAPTER 4 SERVICE MODE
FUNCTION
Remarks
Remarks
4-55