Gfp 865DH-4 Operating Manual page 32

1. Clutch is too tight
2. Too much pressure on the
pull rollers, see 20. Pull
roller clutch adjustment
Consistent distance between the
bubbles is caused by bowed
rollers
Gfp 865DH-4
These two
conditions are
observed from
either the area
between the
heat and pull
rollers or the
rear of the
machine where
the web is
exiting the pull
rollers
These two
conditions are
observed in the
web after
exiting the pull
rollers
Bubbles that start midway or
near the end of the print are
caused by excess moisture in the
media
32
March 2021
1. Clutch is too loose
2. Not enough pressure on
the pull rollers, see 20. Pull
roller clutch adjustment
Web
Path
Web
Path