HP Scitex FB550 User Guide - Page 57

When to calibrate, AutoJet, Calibrate, Auto Calibrations > AutoJet Calibration

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When to calibrate When to run When loading a new media (but not when loading a new roll or sheet of the same media) Horizontal Banding Poor output quality (apparent misregistration of colors, banding) When printheads have been moved or replaced (by an authorized service provider) If Auto Calibrations do not improve print quality, or if printing on transparent or other media that cannot be detected by the printer Calibration Linearization (see RIP documentation for instructions). Media Feed Auto Calibrations Auto or Manual Bidirectional, Head-toHead, Saber angle, and Y calibration (all performed by the authorized service provider) Manual Calibrations Function Linearization of colors for accurate color matching. Calibrates the media advance. 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 (they are more accurate). Head calibrations. Run Manual when calibrating transparent or other media that the onboard digital image sensor cannot calibrate. Aligns printheads, allows you to map out specific inkjets. Not normally needed except when printing on "invisible" media. AutoJet AutoJet detects individual inkjets that are misfiring or not firing at all. During subsequent printing, the printer compensates for these jets by using other jets in their place, ensuring maximum print quality without reducing print speed. You can also identify and map missing jets manually from the Manual Calibrations menu (see Manual Jet Mapping on page 55). You may want to manually map weak or misdirected jets that AutoJet does not detect and substitute. Jet replacement is not available in Express mode. To run AutoJet: ● Select AutoJet Calibration from the Auto Calibrations menu (see Automatic calibrations on page 51), or TIP: AutoJet does not work with transparent media, nor with many translucent media. In this case, run Manual Jet Mapping, or map jets on opaque media before loading transparent/translucent media for printing. 1. Press Calibrate from the Printing page, then press Auto Calibrations > AutoJet Calibration in the menu. 2. The printer prints the AutoJet test pattern. 3. The printer reads the AutoJet test pattern and maps any missing jets to available working jets. The control panel shows the progress of this operation as the percentage completed. 4. The printer prints an AutoJet report. 50 Chapter 7 Calibrate the printer ENWW

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When to calibrate
When to run
Calibration
Function
When loading a new media (but not when
loading a new roll or sheet of the same
media)
Linearization (see RIP documentation for
instructions).
Linearization of colors for accurate color
matching.
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 (they are more accurate).
When printheads have been moved or
replaced (by an authorized service
provider)
Auto or Manual Bidirectional, Head-to-
Head, Saber angle, and Y calibration (all
performed by the authorized service
provider)
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.
AutoJet
AutoJet detects individual inkjets that are misfiring or not firing at all. During subsequent printing, the printer
compensates for these jets by using other jets in their place, ensuring maximum print quality without
reducing print speed.
You can also identify and map missing jets manually from the Manual Calibrations menu (see
Manual Jet
Mapping
on page
55
). You may want to manually map weak or misdirected jets that AutoJet does not
detect and substitute.
Jet replacement is not available in Express mode.
To run AutoJet:
●
Select AutoJet Calibration from the Auto Calibrations menu (see
Automatic calibrations
on page
51
),
or
TIP:
AutoJet does not work with transparent media, nor with many translucent media. In this case, run
Manual Jet Mapping, or map jets on opaque media before loading transparent/translucent media for printing.
1.
Press
Calibrate
from the Printing page, then press
Auto Calibrations > AutoJet Calibration
in the
menu.
2.
The printer prints the AutoJet test pattern.
3.
The printer reads the AutoJet test pattern and maps any missing jets to available working jets.
The control panel shows the progress of this operation as the percentage completed.
4.
The printer prints an AutoJet report.
50
Chapter 7
Calibrate the printer
ENWW