Duplo DP-S Series, Service Manual

Page: 163 / 298

162
,
Electrical system
chap.4
Adjustment procedure
1) Perform platemaking and printing of the online test pattern. Adjust with the HELP - 047 so that
the basic line is positioned ± 1mm from the top end of the paper.
(4) Adjusting the Master making Start Position
¡
Adjust the master making start position when in online after the printing position sensor
and
master attach position edge
are adjusted.
\
See page 151
\
See page 149
¡
Adjust the master making start position with the scanner in use after the printing position sensor ,
master attach position edge and top end reading start position
are adjusted.
\
See page 161
\
See page 151
\
See page 149
IMPORTANT :
Adjustment procedure
1.
Set the printing position (vertical direction) to the
standard.
2.
Draw a line at the position 30mm from the top
end of the document and prepare a basic document
as shown in the figure.
3.
Compare the processed image with the basic
document.
Check the difference of the lines in the horizontal
direction.
4.
Adjust with the HELP - 046 ( 5. M-MARK VERTICAL
START POS ) so that L1 - L2 ± 1mm .
Adjusting direction
¡
L1 < L2 : The value is decreased.
¡
L1 > L2 : The value is increased.
HELP - 046
\
see p.254
¡
Basic document
HELP - 047
\
see p.255
Mark this corner with each other
Document
basic line
L2
L1
Document
Printing paper
Print ejection
direction
Basic line of the
printed sample
23S0316
23S0317
Draw a line at the position 30mm
from the top end of the document
Before adjustment
IMPORTANT :
Before adjustment
1. When the Scanner Is in Use
2. When in Online