10-49
Troubleshooting > Adjustment/Maintenance
2
Display the screen.
1
[
System Menu
] key > [
Adjustment/Maintenance
] > "Tone Curve Adjustment" [
Next
]
2
Select [
Next
] of "Copy/Print (600dpi)" or "Print (1200dpi)" .
3
Adjust the tone curve.
1
Select [
Start
]. A pattern is printed.
Check that the number "1" is printed at the bottom of the pattern.
2
As shown in the illustration, place the printed side down on the platen with the edge with
the arrows toward the back.
3
Select [
Start
]. The pattern is read and adjustment begins.
The second pattern is output.
4
Check that the number "2" (to "3") is printed at the bottom of the pattern and repeat steps 2
to 3 twice to read patterns 2 and 3 in sequence.
5
Select [
OK
] in the adjustment end confirmation screen.
Drum Refresh
Remove image blur and white dots from the printout.
1
Display the screen.
[
System Menu
] key > [
Adjustment/Maintenance
] > "Drum Refresh" [
Next
]
2
Perform the drum refresh.
Select [
Start
]. "Drum Refresh" begins.
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