Adjusting The Longitudinal Squareness (Reference) - Kyocera Mita KM-4530 Service Manual

(5) Adjusting the longitudinal squareness (reference)

Perform the following adjustment if the copy image is longitudinally skewed (longitudinal squareness is not obtained).
Caution
Before making the following adjustment, output a 1 dot-LINE PG pattern in maintenance item U089 to use as the original
for the adjustment.
Perform adjustment of straightness when proper straightness cannot be obtained even if you perform "Adjusting the
registration/vertical conveying slack amount (P.1-6-19, 20)" first and then check the straightness of copy images.
Procedure
Start
Place the original
on the contact glass.
Press the start key and make
a test copy at 100% magnification.
Is the image correct?
End
No
Yes
Original
example 1
Figure 1-6-60
Retighten the two screws and
refit the contact glass.
Remove the contact glass.
Loosen the two screws and
adjust the position of the
mirror 2 frame.
For copy example 1,
move the frame in the direction of
the white arrow ( ).
For copy example 2,
move the frame in the direction of
the black arrow ( ).
Mirror 2 frame
Figure 1-6-61
Copy Copy
example 2
Screws
1-6-31
2BC/D