Itb Alignment Adjustment - Canon imageRUNNER ADVANCE C5255 Series Service Manual

5
Adjustment > Image Formation System > ITB Alignment Adjustment

ITB Alignment Adjustment

Adjustment Execute the user mode (Settings/Registration > Adjustment/Maintenance > Adjust
Procedure Image Quality > Auto Adjust Gradation).
Execute the ITB equilibrium position detection in service mode. (COPIER>
FUNCTION>MISC-P>ITB-INIT) (Level1) This service mode will take approx. 3 to 6
minutes (for iR-ADV C5255/C5250) or approx. 4 to 8 minutes (for iR-ADV C5240/
C5235).
After executing the above, check that the values of COPIER>DISPLAY>MISC>ITB-
POS and ITB-POS2 are within the range from -350 to 350.
If not, execute the following adjustment.
■ Preparation
1) Open the ITB Cover.
2) Remove the ITB Motor [1].
• 4 Screws [3]
• 1 Connector [2]
x4
5 Adjustment > Image Formation System > ITB Alignment Adjustment
[3]
[1]
[3]
Adjustment ■ Procedure
Procedure 1) Put markings as shown in the figure below to use as the reference when
correcting the position.
● When the values are above 350
Move the ITB Motor Support Plate up.
Moving it by 1 mm changes the values of ITB-POS and ITB-POS2 by approx. 200.
After adjustment, check that the values of COPIER>DISPLAY>MISC>ITB-POS
and ITB-POS2 are within the range from -350 to 350.
[2]
5-6
Mark
Mark
Loosen
5-6