Low-Density Spots; Gloss Too Low - IBM InfoColor 70 User Manual

Low-density spots

Description
Spots having an irregular
shape and not sharply
outlined.

Gloss too low

Description
The gloss is visibly too low.
Cause
Paper surface too rough.
Artifact cannot be reproduced in this manual.
Cause
Temperature set points IFX/
T5.N22 and IFX/T6.N22 are
too low.
WEB
Solution
Owing to the cause, this
artifact cannot be eliminated.
Solution
Increase temperature set
points IFX/T5.N22 and IFX/
T6.N22 of both roll pairs in
steps of 2˚C.
If IFX/T5.N22 and IFX/T6.N22
are too high, GEM hot offset
will appear. Therefore,
decrease temperature set
points IFX/T5.N22 and IFX/
T6.N22 again by 2˚C until the
lines disappear (see "GEM hot
offset" on page 26.
Artifact Samples
25