Epson SureColor T7770D Series User Manual page 286

The power light begins flashing. When the cleaning cycle is finished, the power light stops flashing
and a confirmation screen appears.
Caution: Never turn off the product during a cleaning cycle or you may damage it.
7. Click Print Head Nozzle Check.
8. Click OK.
The nozzle pattern prints.
9. Check the printed pattern to see if there are gaps in the lines.
Print head is clean
Print head needs cleaning
If you don't see any improvement after cleaning the print head several times, run a Power Cleaning.
Parent topic: Print Head Cleaning
Related references
Maintenance Menu
Environmental Specifications
Related tasks
Cleaning the Print Head Using the Product Control Panel
Running a Power Cleaning Using the Product Control Panel
Checking the Nozzles Using the Product Control Panel
Checking the Nozzles Using a Computer Utility
Removing and Installing Ink Cartridges
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