Adjusting Scanner Image Lateral Squareness (Reference); Adjusting The Position Of The Laser Scanner Unit - Kyocera Mita KM-4530 Service Manual

2BC/D

(6) Adjusting scanner image lateral squareness (reference)

Perform the following adjustment if the copy image is laterally skewed (lateral squareness not obtained).
Caution
Before making the following adjustment, open the front cover and pull out the image formation unit, and remove the
operation unit lower inner cover.
Perform "(6-1) Adjusting the position of the laser scanner unit" first and check for lateral squareness of the copy image. If
squareness is not obtained, perform "(6-2) Adjusting the position of ISU".

(6-1) Adjusting the position of the laser scanner unit

Procedure
Start
Enter maintenance mode.
Enter "089" using the numeric keys.
Press the start key.
Select "1dot-LINE".
Press the interrupt key.
Press the start key and make
a copy at 100% magnification.
Is the image correct?
Press the stop/clear key to
exit maintenance mode.
End
LSU adjustment shaft
1-6-32
Remove the contact glass. Loosen the three
screws and adjust the position of the laser
scanner unit by rotating the LSU adjustment
shaft from the machine front using a straight
screwdriver.
No
For output example 1, rotate the LSU
adjustment shaft in the direction of the
white arrow (
For output example 2, rotate the LSU
Yes
adjustment shaft in the direction of the
black arrow (
Figure 1-6-63
Copy
Correct image
example 1
Figure 1-6-62
Retighten the three screws
and refit the contact glass.
).
).
LSU adjustment shaft
Copy
example 2