Epson EcoTank ET-4550 - Manual (Page 86)

Replacing Ink inside the Ink Tubes
If you have not used the printer for a long time and notice banding or missing colors in the printouts, you may
need to replace the ink inside the ink tubes to solve the problem. The Power Ink Flushing utility allows you to
replace all of the ink inside the ink tubes.
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Important:
❏ This feature consumes a lot of ink. Before using this feature, make sure there is enough ink in the printer’s ink
tanks. If there is not enough ink, refill the ink tanks.
❏ This feature effects the service life of the ink pad. Ink pad reaches its capacity earlier by running this feature.
Contact Epson or an authorised Epson service provider to request replacement before the end of its service life. It
is not a user-serviceable part.
❏ After using the Power Ink Flushing utility, turn the printer off and wait for at least 12 hours. Using this feature
improves the print quality after 12 hours, however it cannot be used again within 12 hours of the last use. If you
still cannot solve the problem after trying all of the methods above, contact Epson support.
Replacing Ink inside the Ink Tubes - Windows
1. Access the printer driver window.
2. Click Power Ink Flushing on the Maintenance tab.
3. Follow the on-screen instructions.
Related Information
& “Windows Printer Driver” on page 94
Replacing Ink inside the Ink Tubes - Mac OS X
1. Select System Preferences from the menu > Printers & Scanners (or Print & Scan, Print & Fax), and
then select the printer.
2. Click Options & Supplies > Utility > Open Printer Utility.
3. Click Power Ink Flushing.
4. Follow the on-screen instructions.
Aligning the Print Head
If you notice a misalignment of vertical lines or blurred images, align the print head.
Aligning the Print Head - Control Panel
1. Load A4-size plain paper in the printer.
User's Guide
Improving Print and Scan Quality
86