From The Computer - Epson l800 User Manual

5. Check the printed pattern to see if there are gaps in the lines.
Nozzles are clean
Nozzles need cleaning
6. If there are no gaps, the print head is clean and you can continue printing.
If there are gaps or the pattern is faint, clean the print head.

From the Computer

1. Make sure that no lights are indicating errors, that the CD/DVD tray is not inserted in the
printer, and that the output tray is in the paper position.
2. Load a few sheets of plain paper in the sheet feeder.
3. Do one of the following:
Windows: Right-click the
Mac OS X 10.6/10.7: In the Apple menu or the Dock, select System Preferences. Select
Print & Fax or Print & Scan, select your product, and select Options & Supplies. Select
Utility and select Open Printer Utility.
Mac OS X 10.5: In the Apple menu or the Dock, select System Preferences. Select Print &
Fax, select your product, and select Open Print Queue. Select Utility.
printer icon in the taskbar.
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