Kyocera Mita KM-4530, Service Manual

Page: 236 / 384

2BC/D
1-6-32
Figure 1-6-62
Figure 1-6-63
(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
Retighten the three screws
and refit the contact glass.
Yes
No
Press the start key and make
a copy at 100% magnification.
Start
End
Is the image correct?
Enter maintenance mode.
Enter “089” using the numeric keys.
Press the interrupt key.
Select “1dot-LINE”.
Press the start key.
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.
For output example 1, rotate the LSU
adjustment shaft in the direction of the
white arrow ( ).
For output example 2, rotate the LSU
adjustment shaft in the direction of the
black arrow ( ).
Press the stop/clear key to
exit maintenance mode.
Correct image
Copy
example 1
Copy
example 2
LSU adjustment shaft
LSU adjustment shaft