HP Scitex FB950 Printer series - Manual (Page 56)

When to calibrate
When to run Calibration Function
When printing a large group of roll-fed
print jobs AutoTune Automatic jet maintenance during
extended printing of roll-fed print jobs.
When loading a new media (but not when
loading a new roll of the same media) Linearization (see HP RIP Software
documentation) Linearization of colors.
Horizontal Banding Media Feed Calibrates the media advance.
Poor output quality (apparent
misregistration of colors, banding) Auto Calibrations Calibrates the position of ink droplets in
relationship to each other and corrects
for individual jets not operating properly..
You can also run the Manual Calibrations
if necessary.
When printheads have been moved or
replaced (by an authorized service
provider) Auto Bidirectional or Manual
Bidirectional, and Head-to-Head Head calibrations. Run Manual when
calibrating transparent or other media
that the onboard digital image sensor
cannot calibrate.
If Auto Calibrations do not improve print
quality, or if printing on transparent or
other media that cannot be detected by
the printer Manual Calibrations Aligns printheads, allows you to map out
specific inkjets. Not normally needed
except when printing on “invisible”
media.
50 Chapter 4 Calibration ENWW