Service manual

ADJUSTMENT
2-58
2 ADJUSTMENT
2. Printer horizontal magnification adjust-
ment
Adjusting the horizontal magnification.
3. Scanner (platen) drum clock magnifica-
tion adjustment
Adjusting the vertical magnification for the scan-
ner.
Step Operation
1
Enter the 36 mode.
2
[Adjustment mode menu Screen]
Press " Image adjustment".
3
[Image adjustment mode menu
Screen]
Select " Magnification adjustment".
4
[Magnification adjustment mode
menu Screen]
Press " Printer horizontal magnifica-
tion adjustment".
5
[Printer horizontal adjustment Screen]
Press the key.
6
Select A3 size paper and press the
START button to output the test pattern
(No.16).
7
Measure the horizontal magnification
with a ruler.
Specification:
±
0.5% or less (100% magnification)
Within
±
1mm with respect to 190mm.
8
If the specification is not satisfied, press
the C button while pressing the Utility key.
9
[Printer horizontal adjustment Screen]
Enter a value using the numeric keys and
press the key.
Setting range: -10 to +10
1 step=0.1%
10
Repeat steps 5 to 9 until the specification
is satisfied.
11
Press the key to return to the
Magnification adjustment mode menu
Screen.
2
2
2
COPY SCREEN
190±1
SET
RETURN
Step Operation
1
Enter the 36 mode.
2
[Adjustment mode menu Screen]
Press " Image adjustment".
3
[Image adjustment mode menu Screen]
Select " Magnification adjustment".
4
[Magnification adjustment mode menu
Screen]
Press " Scanner drum clock adjust-
ment".
5
[Scanner (Platen) drum clock adjust-
ment Screen]
Press the key.
6
Select A3 size paper, place a scale on the
platen glass so that it runs parallel with the
Original stopper plate rear, and press the
START button.
7
Measure the vertical magnification with a
ruler.
Specification:
±
0.5% or less (100% magnification)
Within
±
1mm with respect to 200 mm.
8
If the specification is not satisfied, press
the C button while pressing the Utility key.
9
[Scanner (Platen) drum clock adjust-
ment Screen]
Enter a value with the numeric keys and
press the key.
Setting range: -40 to +40
1 step=0.05%
10
Repeat steps 5 to 9 until the specification
is satisfied.
2
2
3
COPY SCREEN
200
SET