Kyocera KM-4230 Service Manual page 341

2A3/4
( 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.
• Adjust the amount of slack in the paper at the registration roller for drawer, bypass
and duplex feeds (page 3-3-22) first. Check for the longitudinal squareness of the
copy image, and if it is not obtained, perform the longitudinal squareness
adjustment.
<Procedure>
Start
Place the original
on the contact glass.
Press the print key and make
a test copy at 100% magnification.
Is the image correct?
Yes
End
Figure 3-3-39 Adjusting the position of the mirror 2 frame
3-3-32
No
Mirror 2 frame
Correct image Copy
example 1
Figure 3-3-38
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 (e).
For copy example 2,
move the frame in the direction of
the black arrow (b).
Screws
Copy
example 2