HP DesignJet D5800 Using Your Printer - Page 67

Corrective action, Remove the maintenance cartridge

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Then look at the bottom part of the print (part 2). For each individual colored pattern, check that most of the dashes are present. If you see horizontal lines in part 1 and also missing dashes in part 2 for the same color, the printhead responsible needs cleaning. However, if the rectangles look solid, do not worry about just a few missing dashes in part 2; these are acceptable because the printer can compensate for a few clogged nozzles. Here is an example of a gray printhead in a good state: And here is an example of the same printhead in a bad state: Corrective action 1. Clean any faulty printheads (see Clean the printheads on page 138). Then reprint the Image Diagnostics Print to see whether the problem has been solved. 2. If the problem remains, clean the printheads again, and reprint the Image Diagnostics Print to see whether the problem has been solved. 3. If the problem remains, consider cleaning your printheads manually (see Clean the printheads on page 138). You could also try reprinting your current print job, in case it now prints satisfactorily. 4. If the problem remains, try cleaning the printhead drop detector. The printer normally notifies you when this is necessary, but it may be worth trying even if the printer has not suggested it. See Clean the printhead drop detector on page 55. 5. If the problem still remains, replace any persistently faulty printheads (see Handle the ink system on page 42), or contact HP Support (see HP Customer Care on page 146). Remove the maintenance cartridge A message appears on the front panel when you must change the maintenance cartridge. Follow these precautions when removing a maintenance cartridge: ENWW Work with ink system components 59

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Then look at the bottom part of the print (part 2). For each individual colored pattern, check that most of the
dashes are present.
If you see horizontal lines in part 1 and also missing dashes in part 2 for the same color, the printhead
responsible needs cleaning. However, if the rectangles look solid, do not worry about just a few missing
dashes in part 2; these are acceptable because the printer can compensate for a few clogged nozzles.
Here is an example of a gray printhead in a good state:
And here is an example of the same printhead in a bad state:
Corrective action
1.
Clean any faulty printheads (see
Clean the printheads
on page
138
). Then reprint the Image Diagnostics
Print to see whether the problem has been solved.
2.
If the problem remains, clean the printheads again, and reprint the Image Diagnostics Print to see
whether the problem has been solved.
3.
If the problem remains, consider cleaning your printheads manually (see
Clean the printheads
on page
138
). You could also try reprinting your current print job, in case it now prints satisfactorily.
4.
If the problem remains, try cleaning the printhead drop detector. The printer normally notifies you when
this is necessary, but it may be worth trying even if the printer has not suggested it. See
Clean the
printhead drop detector
on page
55
.
5.
If the problem still remains, replace any persistently faulty printheads (see
Handle the ink system
on page
42
), or contact HP Support (see
HP Customer Care
on page
146
).
Remove the maintenance cartridge
A message appears on the front panel when you must change the maintenance cartridge. Follow these
precautions when removing a maintenance cartridge:
ENWW
Work with ink system components
59