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36 ADJUSTMENT
Step
8
If the specification is not satisfied, press
the C button while pressing the Utility but-
ton.
9
[LD1 offset adjustment Screen]
Enter an offset value using the numeric
keys and press the
Setting range: -128 to +127
10
Repeat steps 5 to 9 until the specifica-
tion is satisfied.
11
Press the
PREVIOUS SCREEN
turn to the Process adjustment Screen.
6.
LD2 Offset Adjustment
Adjusting the LD2 laser write position.
This adjustment should be performed when de-
veloper is replaced.
Preparation: Be sure the drum unit is set .
Auto drum potential adjustment, auto
maximum density adjustment, auto
dot diameter adjustment, and LD1
offset adjustment must have been
complete.
Step
1
Enter the 36 mode.
2
[36 Mode Menu Screen]
Press "
Process adjustment."
1
3
[Process adjustment Screen]
Press"
Drum peculiarity adjustment."
2
4
[Drum peculiarity adjustment mode
menu Screen]
Press "
LD2 offset adjustment."
6
5
[LD2 offset adjustment Screen]
Press the
COPY SCREEN
6
Select A3 (11x17) -size paper and press
the Start button to output the test pattern.
Operation
key.
SET
key to re-
Operation
key.
1 - 56
7
Check the test pattern.
Specification: The density of test pat-
tern image resulting from two laser out-
put (vertical and horizontal scanning) must
be even vertically and horizontally be-
tween two image density reference lines,
as shown in the following figure.
LD2
LD1
LD2
LD1
LD2
LD1
8
If the specification is not satisfied, press
the C button while pressing the Utility but-
ton.
9
[LD2 offset adjustment Screen]
Enter an offset using the numeric keys
and press the
key.
SET
Setting range: -128 to +127
10
Repeat steps 5 to 9 until the specifica-
tion is satisfied.
11
Press the
PREVIOUS SCREEN
turn to the Process adjustment Screen.
Reference
line
LD2
LD1
key to re-
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