Epson WorkForce Pro WF-C8690 A3 Color MFP with PCL/PostScript - Manual (Page 357)

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6. Check the printed pattern to see if there are gaps in the lines.
Print head is clean
Print head needs cleaning
7. If there are no gaps, click Finish .
If there are gaps or the pattern is faint, clean the print head.
Parent topic: Print Head Nozzle Check
Related concepts
Print Head Cleaning
Related topics
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Print Head Cleaning
If print quality has declined and the nozzle check pattern indicates clogged nozzles, you can clean the
print head.
Note: You cannot clean the print head if an ink cartridge is expended, and may not be able to clean it
when a cartridge is low.
Cleaning the Print Head Using the Product Control Panel
Cleaning the Print Head Using a Computer Utility
Parent topic: Print Head Maintenance