HP T1120ps HP Designjet T1120 Printer Series User's Guide: English - Page 174

Corrective action, when this is necessary

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And here is an example of the same printhead in a bad state: Print-quality issues Corrective action 1. Clean any faulty printheads (see Clean the printheads on page 169). 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 169). 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 169. 5. If the problem still remains, replace any persistently faulty printheads (see Handling ink cartridges and printheads on page 113), or contact HP Support (see Contact HP Support on page 186). ENWW The Image Diagnostics Print 165

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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
169
). 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
169
). 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
169
.
5.
If the problem still remains, replace any persistently faulty printheads (see
Handling ink cartridges
and printheads
on page
113
), or contact HP Support (see
Contact HP Support
on page
186
).
ENWW
The Image Diagnostics Print
165
Print-quality issues