Epson WorkForce WF-2930 Series User Manual page 156

Solving Problems
Colored Banding Appears at Intervals of Approximately 2.5 cm
The following causes can be considered.
The paper type setting does not match the paper loaded.
Solutions
Select the appropriate paper type setting for the type of paper loaded in the printer.
"List of Paper Types" on page 27
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The print quality is set to low.
Solutions
When printing on plain paper, print using a higher quality setting.
❏ Windows
Select High from Quality on the printer driver's Main tab.
❏ Mac OS
Select Fine as Print Quality from the print dialog's Print Settings menu.
The print head position is out of alignment.
Solutions
Select the Maintenance > Print Head Alignment > Horizontal Alignment menu on the control panel to
align the print head.
Blurry Prints, Vertical Banding, or Misalignment
The following causes can be considered. Check the causes and follow the solutions in order from the top.
The print head position is out of alignment.
Solutions
Select the Maintenance > Print Head Alignment > Vertical Alignment menu on the control panel to
align the print head.
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Printing, Copying, Scanning, and Faxing Quality is Poor
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Print Quality is Poor