Service manual

ADJUSTMENT
2-67
2 ADJUSTMENT
1. Printer Centring Adjustment
Adjusting the printer centring.
2. Scanner (platen) centring adjustment
Adjusting the scanner (platen) centring.
Preparation:
Printer centring adjustment must
be completed before performing
this adjustment.
Step Operation
1
Enter the 36 mode.
2
[Adjustment mode menu Screen]
Press " Image adjustment".
3
[Image adjustment mode menu
Screen]
Press " Centring adjustment".
4
[Centring adjustment mode menu
Screen]
Press " Printer centring adjustment".
5
[Printer centring adjustment Screen]
Press the key.
6
Select A3-size paper and press the
START button to output the test pattern
(No.16).
7
Fold A3 size paper in half in the short
edge (landscape) orientation and check
whether the lines on the left and right
overlap completely.
Specification:
±
1mm or less
8
If the printed image is not appropriate,
press the C button while pressing the
Utility key.
9
[Printer centring adjustment Screen]
Enter a value with the numeric keys and
press the key.
Setting range: -64 to +63
1 step=0.1mm
10
Repeat steps 5 to 9 until the offset is
within specification.
11
Press the key to return to the
Centring adjustment mode menu
Screen.
2
5
1
COPY SCREEN
SET
RETURN
Step Operation
1
Enter the 36 mode.
2
[Adjustment mode menu Screen]
Press " Image adjustment".
3
[Image adjustment mode menu
Screen]
Press " Centring adjustment".
4
[Centring adjustment mode menu
Screen]
Press " Scanner centring adjust-
ment".
5
[Scanner (Platen) centring adjust-
ment Screen]
Press the key.
6
Select A3-size paper, set a test chart
GTC-003 or 004 on the original glass,
and press the START button.
7
Fold A3 size paper in half in the short
edge (landscape) orientation and check
whether the lines on the left and right
overlap completely.
Specification:
±
2mm
8
If the offset is not within specification,
press the C button while pressing the
Utility key.
9
[Scanner (Platen) centring adjust-
ment Screen]
Enter a value with the numeric keys and
press the key.
Setting range: -30 to +30
1 step=0.1mm
10
Repeat steps 5 to 9 until the offset is
within specification.
11
Press the key to return to the
Centring adjustment mode menu
Screen.
2
5
2
COPY SCREEN
SET
RETURN