Duplo DP-S Series, Service Manual

Page: 160 / 298

30
mm
A=20mm
Standard value
Standard value
159
,
Electrical system
chap.4
Adjust the "3.Adjusting Scan Vertical
Magnification" after the "1.Adjusting
M-mark Feed Volume Magnification".
IMPORTANT :
Before adjustment
23S0312
¡
Basic document
¡
Basic document
1.
Prepare a basic document as shown in the figure.
Draw a 200mm-line(horizontal direction) at the
position 30mm from the top end of the paper*.
* DP-S850/S650/S550 : A3 paper
* DP-S620/S520/S510 : B4 paper
2.
Place the document on the document table to
perform master making and printing.
Standard value
3. Adjusting Scan Vertical Magnification
Adjustment procedure
1.
Prepare a basic document as shown in the figure.
Draw a line (vertical direction) at the position
30mm from the top end of the paper* and at the
position 200mm from the above line.
* DP-S850/S650/S550 : A3 paper
* DP-S620/S520/S510 : B4 paper
2. Place the document on the document table to
perform master making and printing.
Standard value
¡
HELP-042 (page1) display
Center of the paper
If the clearance is not the standard value:
¡
Touch " 2 " of the HELP-042 screen for adjustment.
HELP - 042
\
see p.245
4. Adjusting Scan Horizontal Magnification
Center of the paper
¡
HELP-042 (page1) display
Item
Compare the size of A section
of the printed image with that of
the basic document
±
0.5 mm
If the clearance is not the standard value:
¡
Touch " 1 " of the HELP-042 screen for adjustment.
HELP - 042
\
see p.245
Item
Compare the size of A section
of the printed image with that of
the basic document
±
0.5 mm