Epson 4880 User's Guide - Page 131

Nozzle check pattern examples: good head cleaning necessary If you find that any dots are missing or deflected from the test lines in the pattern, you need to clean the print head. Press the Menu button for more than 3 seconds or access the Head Cleaning utility software. For Windows, see "Cleaning the print head" on page 89. For Mac OS X, see "Cleaning the print head" on page 40. Aligning the print head To prevent deterioration of print quality caused by misalignment of the print head, align the print head before you start printing your data. You can align the print head either manually or automatically. Try the automatic print head alignment first. If the print head is still misaligned, try to perform the print head alignment manually. Aligning the print head automatically 1. Make sure that paper is loaded in the printer. Note: For best results, use Epson Ultra Premium Photo Paper Luster if you are printing with Photo Black ink. If you are printing with Matte Black ink, use Enhanced matte paper. 2. Press Menu to enter the printer's menu system. 3. Press to highlight HEAD ALIGNMENT, then press PAPER THKNS. Menu. You see The Control Panel 131