Duplo Duprinter DP-43E - Position Adjustment of Feed Cam

227
c Paper Feed Section
chap.4
(9) Position Adjustment of Feed Cam
Before adjustment
¡Before feed cam position adjustment is per-
formed, the following adjustments must have
been correctly performed:
¡Printing range (press OFF timing) adjustment.
¡G roll escape timing adjustment.
IMPORTANT
Adjustment procedure
1) Using HELP mode H-30, set the PLATEMAK-
ING DARKNESS key to DARKER 2, then
execute test pattern 1 platemaking and printing.
Standard value
If the value is outside the standard range:
1) Turn the main motor shaft by hand, to move the
feed cam. Stop turning when the cam's fixing
screw can be seen through the adjustment hole,
so that the cam stops in that position.
2) Loosen the feed cam's 2 fixing screws, and move
the feed cam in the direction of the arrows at
right to adjust the cam's position.
[Moving the cam in this direction narrows the
leading edge margin.
\Moving the cam in this direction widens the
leading edge margin.
3) Tighten the feed cam's 2 fixing screws to fix the
cam in the adjusted position.
Standard valueItem
Leading edge margin
6-8mm
\See page 232
\See page 226
HELP mode H-30 \ see p.334
Fixing screws
Feed cam
Test pattern
6-8mm
Printing paper
Paper advance
direction