Watkiss Vario, Operating Manual

Page: 85 / 110

81
TRAILING FEED
(On a trailing sheet the machine
stops immediately. You need to
look carefully to identify which of
the following is the cause. The
faulty set can be inched through
by touching and holding
INCH
)
Late feeding double sheet Treat as double feed above
Slow feeding sheet Treat as miss feed above
Slow feeding during test set
causing incorrect calibration Run another test set by touching
, followed by
TEST SET
fol-
lowed by . It may be necessary
to increase the tray pressure to
obtain a better feed
PAPER JAM Sheet is jammed in the paper
path Locate the sheet and either pull
it out or
INCH
it through
Sheet is only half feeding Treat as miss feed above
Feeding A5 (5½ x 8½") land-
scape without selecting
SHORT
in
the
ADVANCED
:
FEED CLUTCH
window
Select
SHORT
in the
ADVANCED
:
FEED CLUTCH
window and run
another test set by touching ,
followed by
TEST SET
followed by
.
FRONT EDGE OF SHEET
DAMAGED Too much separation pressure Reduce by moving the lever up
by one notch at a time (see p.29)
SLIMVAC FEED PROBLEMS
Problem Cause Action
DOUBLE FEEDS The tray is too high Lower the tray height (see p.37)
Not enough corrugation on suc-
tion feeder Increase sheet corrugation (see
p.36)
Mechanical paper problem -
guillotine burr, sticky ink, poor
perforations, high static charge
etc. Fan stock by hand before load-
ing, and ensure these problems
are avoided in future
Rubber endlay is incorrect type
or position Use correct type and positioning
(see p.35)
FRICTION FEED PROBLEMS
Problem Cause Solution