Epson Stylus Pro WT7900 Quick Reference Guide - Page 6

Checking and Cleaning the Print Head (continued) Cleaning the Nozzles 1 Press the cleaning button on the control panel. 2 Press or to select one of the following: • NORMAL CLEANING-Press OK to start the cleaning cycle. • CLEAN COLOR PAIRS-Press OK, select the color pair you want to clean, then press OK to start the cleaning cycle. Use if you know which color(s) you need to clean; this saves ink from being used unnecessarily to clean working nozzles. • POWER CLEANING-Press OK to start the cleaning cycle. Use only if three cycles of normal cleaning doesn't clear the nozzles. 3 When cleaning is finished and the Power light stops flashing, print the nozzle check again to confirm that the head is clean. You can also turn the printer off and leave it overnight to dissolve any dried ink, then clean the print head again the following morning with a normal cleaning cycle. If you continue to detect a problem with the white ink nozzles, perform a white ink refresh as described in the User's Guide. Aligning the Print Head If your prints look grainy or blurry, or you see misregistration or "ghosting," you need to align the print head. 1 Load the bundled roll paper included with the printer. You can also use Epson film or other compatible Epson media. For best results, use the same width of paper that you plan to print with. 2 Press Menu. 3 Press or until HEAD ALIGNMENT is selected, then press . 4 Make sure PAPER THICKNESS is highlighted, then press . 5 Make sure SELECT PAPER TYPE is highlighted, then press . Select the paper type loaded in the printer and press OK. (Select Bundle Roll Paper if you've loaded the bundled paper included with the printer.) 6 Press twice to return to the Head Alignment menu. 5 7 Press to select ALIGNMENT, then press . 8 Make sure AUTO is highlighted, then press . 9 Make sure UNI-D (uni-directional) is highlighted, then press . This is the type of alignment to start with. 10 Press OK to start the alignment process. Each alignment takes about 7 minutes. The printer scans the alignment pattern and adjusts itself automatically. Don't open the front cover or turn off the printer during this process. 11 When the uni-directional alignment is finished, press Menu. 12 Select HEAD ALIGNMENT, select ALIGNMENT, and then select AUTO. 13 Select BI-D and press OK to start the alignment process.