Kyocera TASKalfa 420i, Service Manual

Page: 248 / 508

2KR/2KS-1
1-5-24
(5) Adjusting the skew of the laser scanner unit (reference)
Perform the following adjustment if the leading and trailing edges of the copy image are laterally skewed (lateral square-
ness not obtained).
Procedure
Figure 1-5-49
Figure 1-5-50
Refit the laser scanner unit and
turn the main power switch on.
Yes
No
Press the start key and make
a copy at 100% magnification.
Start
End
Is the image correct?
Enter maintenance mode.
Enter 402 using the numeric keys.
Press the system menu key.
Press the start key.
Turn the main power switch off and carry
out steps 1 to 7 of (5) Detaching and
refitting the laser scanner unit (see page
1-5-22).
For copy example 1:
Loosen the screw in the direction of the
white arrow ( ).
Reduce the height of the LSU spacer in
the direction of the white arrow ( ).
For copy example 2:
Tighten the screw in the direction of the
black arrow ( ).
Increase the height of the LSU spacer in
the direction of the black arrow ( ).
Press the stop key to
exit maintenance mode.
Correct image
Copy
example 1
Copy
example 2
LSU spacer
Screw