HP Designjet T610 Printer series - Manual (Page 148)

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 143 ). 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 143 ). 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 144 .
5. If the problem still remains, replace any persistently faulty printheads (see Handling ink cartridges
and printheads on page 85 ), or contact HP Support (see Contact HP Support on page 160 ).
138 Chapter 13 Troubleshooting print-quality issues ENWW
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