Minolta Di551 Service Manual page 357

ADJUSTMENT
2. Printer horizontal magnification adjust-
ment
Adjusting the horizontal magnification.
Step
Enter the 36 mode.
1
[Adjustment mode menu Screen]
2
Press " Image adjustment".
2
[Image adjustment mode menu
Screen]
3
Select " Magnification adjustment".
2
[Magnification adjustment mode
menu Screen]
4
Press " Printer horizontal magnifica-
2
tion adjustment".
[Printer horizontal adjustment
Screen]
5
Press the
COPY SCREEN
Select A3 size paper and press the
START button to output the test pattern
6
(No.16).
Measure the horizontal magnification
with a ruler.
Specification:
± 0.5 % or less (100 % magnification)
Within ± 1mm with respect to 190 mm.
7
If the specification is not satisfied, press
the C button while pressing the Utility but-
8
ton.
[Printer horizontal adjustment
Screen]
Enter a value using the numeric keys and
9
press the
SET
Setting range: -10 to +10, 1 step = 0.1 %
Repeat steps 5 to 9 until the specification
10
is satisfied.
Press the
RETURN
11
Magnification adjustment mode menu
Screen.
Operation
key.
190±1
key.
key to return to the
2-60
3. Scanner (platen) drum clock magnifica-
tion adjustment
Adjusting the vertical magnification for the scan-
ner.
Step Operation
1 Enter the 36 mode.
[Adjustment mode menu Screen]
2
Press " Image adjustment".
2
[Image adjustment mode menu Screen]
3
Select " Magnification adjustment".
2
[Magnification adjustment mode menu
Screen]
4
Press " Scanner drum clock adjust-
3
ment".
[Scanner (Platen) drum clock adjust-
ment Screen]
5
Press the
COPY SCREEN
Select A3 size paper, place a scale on the
platen glass so that it runs parallel with the
6
Original stopper plate rear, and press the
START button.
Measure the vertical magnification with a
ruler.
Specification:
± 0.5 % or less (100 % magnification)
Within ± 1 mm with respect to 200 mm.
7
If the specification is not satisfied, press
8 the C button while pressing the Utility but-
ton.
[Scanner (Platen) drum clock adjust-
ment Screen]
Enter a value with the numeric keys and
9
press the
SET
Setting range: -40 to +40, 1 step = 0.05 %
Repeat steps 5 to 9 until the specification
10
is satisfied.
Press the
RETURN
11
Magnification adjustment mode menu
Screen.
key.
200
key.
key to return to the