Epson WorkForce ST-M3000 Monochrome MFP Supertank Printer - Manual (Page 253)

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4. Select Power Cleaning .
You see a window like this:
5. Follow the on-screen instructions to run a Power Cleaning.
6. When Power Cleaning is finished, run a nozzle check.
If the print quality did not improve, turn off the product and wait at least 12 hours before running another
Power Cleaning.
If the print quality does not improve after running the Power Cleaning utility multiple times, contact Epson
for support.
Parent topic: Power Cleaning
Related tasks
Refilling the Ink Tank