2A3/4
3-3-33
( 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 remove the
operation unit lower cover.
• Perform (5-1) Adjusting the position of the laser scanner unit first and check for
lateral squareness of the copy image. If squareness is not obtained, perform (5-2)
Adjusting the position of ISU.
(5-1) Adjusting the position of the laser scanner unit
<Procedure>
Retighten the three screws
and refit the contact glass.
Yes
No
Press the print 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 "1 DOT-LINE."
Press the print key.
Exit maintenance mode.
Press the stop/clear 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 (see Figure 3-3-39).
For output example 1, rotate the LSU
adjustment shaft in the direction of the
white arrow (e).
For output example 2, rotate the LSU
adjustment shaft in the direction of the
black arrow (b).
Figure 3-3-40
Correct image
Output
example 1
Output
example 2
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