HP Designjet 3D Service Manual page 143

3. Support tip much lower than model tip
Diagnostic details:
Left square (SS)
Upper layers - Built OK
1st layer - OK
Right square (model)
Upper layers - Missing or barely stuck to
modeling base.
1st layer - OK
4. Support tip much higher than model tip
Diagnostic details:
Left square (SS)
Upper layers - Built OK
1st layer - OK
Right square (model)
Upper layers - Did not build completely.
may be some wisps of model material.
1st layer - May be visible, but roughed up
from the support tip
5. Possible worn/bad tip shield
Diagnostic details:
Left square (SS)
Upper layers - Part built, but surface looks
rough or looks OK but cal failed
1st layer - OK
Right square (model)
Upper layers - Part built, but surface looks
rough or looks OK but cal failed
1st layer - OK
1. Add -.010 to Z offset value
1. Add +.010 to Z offset value
1. Replace tip shield
-127