Epson SureColor T3170x 24" Desktop Printer - Manual (Page 148)

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Adjusting Print Quality
If your print quality declines, you may need to run a utility to clean or align the print head.
If running these utilities does not solve the problem, you may need to run a Powerful Cleaning or flush
the ink tubes.
Print Head Maintenance
Adjusting Print Quality Using the Product Control Panel
Cleaning the Auto Sheet Feeder
Cleaning the Roll Paper Feeder
Print Head Maintenance
If your printouts become too light, or you see dark or light bands across them, you may need to clean the
print head nozzles. Cleaning uses ink, so clean the nozzles only if print quality declines.
You can check for clogged nozzles before you clean them so you don’t clean them unnecessarily.
Note: You cannot clean the print head if the ink level has reached the lower line on the ink tank, and may
not be able to clean it when the ink level in any of the tanks is low. You must refill the ink tank first.
If you still see white or dark lines or gaps in your printouts, even after cleaning the print head several
times, you can run a Powerful Cleaning.
Print Head Nozzle Check
Print Head Cleaning
Parent topic: Adjusting Print Quality
Related tasks
Refilling the Ink Tanks
Print Head Nozzle Check
You can print a nozzle check pattern to check for clogged nozzles.
Checking the Nozzles Using the Product Control Panel
Checking the Nozzles Using a Computer Utility
Parent topic: Print Head Maintenance