HP C7770B HP Designjet 500 Plus - Pocket Guide - Page 102

Troubleshooting, Enter

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Message Printhead warning Poor print quality PRINTHEADS not functional Replace printheads Cancel print Explanation and Action A problem has occurred with one or more printheads. The printheads are still functional. The problem was detected either during printhead alignment or during troubleshooting. If you have completed the routine, the system was unable to clean the printheads fully. You should use the Troubleshooting routine (see page 16) to correct any image quality problems that may be apparent; alternatively, you should replace the printheads (see page 38 on the reverse of this Pocket Guide). The printer is attempting to print a job, but finds that there is a problem with the printheads. You may either replace the printheads at this stage or cancel the print. Select the required option and press the Enter key. If you decide to replace them, you will be told which ones are failing or missing. 38 Front-Panel Error Messages

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38
Front-Panel Error Messages
Printhead warning
Poor print quality
A problem has occurred with one or more printheads. The printheads are still
functional. The problem was detected either during printhead alignment or during
troubleshooting. If you have completed the routine, the system was unable to clean
the printheads fully.
You should use the
Troubleshooting
routine (see page 16) to correct any image
quality problems that may be apparent; alternatively, you should replace the
printheads (see page 38 on the reverse of this
Pocket Guide
).
PRINTHEADS not functional
Replace printheads
Cancel print
The printer is attempting to print a job, but finds that there is a problem with the
printheads. You may either replace the printheads at this stage or cancel the print.
Select the required option and press the
Enter
key. If you decide to replace them, you
will be told which ones are failing or missing.
Message
Explanation and Action