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Manual Calibrations 4-3
Manual Calibrations When you run the calibrations from this menu, you evaluate the
calibration test patterns visually and enter the calibration values
via the control panel. In most cases, AutoSet is more accurate
and should be used instead (see “AutoSet” on page 4-2).
Note
Manually performing the component calibrations of
AutoSet is time-consuming and can be error-prone,
but is necessary when the head height is 0.070
inches (1.78 mm) or greater, or when calibrating
transparent media. (There is no automatic media
feed calibration, so you must always perform it
manually.)
If you decide to manually calibrate the printer, first clean the
printhead jets as described in “Cleaning Ink Jets” on page 5-3.
The Manual Calibration menu consists of these options:
◆ Media Feed (page 4-4) — enables you to calibrate the
printer’s media advance accuracy by printing and visually
inspecting your choice of test patterns.
◆ Manual BiDi Registration (page 4-7) — prints bidirectional
registration patterns and allows you to report which pattern
is the most precise.
◆ Manual Head Registration (page 4-10) — precisely aligns
the printheads relative to each other, for accurate colors and
precise registration of images.
◆ Manual Jet Mapping (page 4-13) — enables you to detect
and report nonfiring or misfiring ink jet nozzles, which
enables the printer to “fill in” for them.
◆ Jet Status Lines — prints a quick test pattern that shows
which jets are out.
◆ Default Registration Data — sets all registration data to
zero.
After calibration and jet mapping, perform a linearization, or
color calibration (as supported by your print server or RIP). For
further information, see “Linearization” on page 4-23.