Epson Stylus Pro 4400 Reference Manual page 340

Vertical misalignment or banding
Try one or more of these solutions:
❏ For Windows, turn off the High Speed setting in the
Advanced menu. See "Making Advanced setting" on page 28.
For Mac OS 9.x, turn off the High Speed setting in the
Advanced dialog. See "Making Advanced setting" on page
123.
For Mac OS X, turn off the High Speed setting in the
Advanced Settings is selected in the Print Settings selected in
the Print dialog. See "Advanced Settings" on page 194.
❏ Run the Print Head Alignment utility. For Windows, see
"Aligning the print head" on page 81. For Mac OS 9.x, see
"Aligning the print head" on page 166. For Mac OS X, see
"Aligning the print head" on page 220.
Faint printout or gaps
Try one or more of these solutions:
❏ Make sure that the ink cartridges do not exceed the expiry
date. The expiry date is labeled on the outside of the ink
cartridge.
❏ For Windows, check the Media Type setting in the Main
menu. Make sure it is correct for the paper you are using. See
"Making Settings on the Main Menu" on page 21.
For Mac OS 9.x, check the Media Type setting in the Print
dialog. Make sure it is correct for the paper you are using. See
"Making Settings in the Print Dialog" on page 117.
For Mac OS X, check the Media Type setting in the Print
Settings selected in the Print dialog. Make sure it is correct for
the paper you are using. See "Page Setup" on page 188.
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Problem Solver