HP DesignJet 2500 and 2000CP Printer Quick Reference Guide - C4704-90251
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64
Printhead Alignment Errors
The printer runs the printhead alignment procedure every time you
load, replace or even reseat a printhead. The routine is also run when
media is loaded that is of a different media type from that previously
loaded, or after powering on the printer with no media loaded.
The message “Printhead alignment error” is displayed when the alignment
procedure has failed or the printer detects a fault that stops the procedure from
completing. The alignment procedure is the first time that printheads print after
installation, so an initial printing problem may be reported as an alignment
error. Most alignment errors are due to:
■ Problems with the media.
■ Poor printhead start-up.
■ Alignment difficulties with the printheads or other printhead malfunction.
You will see the message “Check ink system / Ignore” (see page 74, If You
Have Problems Reseating a Printhead). If you choose to check the ink systems
you will be given the opportunity to check the printheads that may have caused
the problem.
Media Problems
1 Check that the media you are using is clean and has not been printed on. It
should be white and opaque. Colored or clear films, media with insufficient
opacity, or extremely thick or thin media may be causing the Printhead
Alignment Error message.
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