Adjust Print Quality : Align the Print Head

Align the Print Head
If your printouts become grainy or blurry, or you see dark or light bands across them, you may need to align the print head.
Note:
Banding may also occur if your print head nozzles need cleaning.
You can align the print head using your printer software.
1.
Load a few sheets of plain paper in the paper cassette.
2.
Windows:
Right-click the  printer icon in the bottom right corner of your screen (the taskbar) and select Print Head Alignment.
Macintosh:
Open the Applications folder, open the Epson Software folder, and select Epson Printer Utility 4. Then select Print Head Alignment.
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5.
Note:
If no patterns are aligned, choose the closest one and click Realignment. Then print another alignment sheet and check it.
6.