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Here are three examples of a black rectangle in close-up, showing the fine lines of which it is made:
In the first two examples above, there are so many missing lines that the printhead may be faulty. In
the third case there are only a few missing lines, which are acceptable, because the printer can
compensate for such minor problems.
Corrective action
If part 3 shows a problem with one printhead, but part 2 shows no problem, there is no immediate
need to take any corrective action, because the printer is able to compensate for the problem and
maintain print quality. However, if part 2 also shows a problem, continue as follows:
1. Clean the printheads. See
Recover (clean) the printheads.
2. If there is no improvement in print quality, replace the printhead that shows the problem. See
Remove a printhead and Insert a printhead.
If I still have a problem
If the entire Image Diagnostics Print contains no defects and you still experience print quality
problems, here are some things to check:
●
Try using a higher print quality option. See
Choose print quality settings and Change the print
quality.
●
Check the driver you are using to print with. If it is a non-HP driver, go to
http://www.hp.com/go/
designjet/ and download the correct HP driver.
●
If you are using a non-HP RIP, its settings may be incorrect. Refer to the documentation that
came with the RIP.
212 Chapter 14 How do I... (Image Diagnostics Print topics) ENWW
How do I... (Image
Diagnostics Print topics)