Epson ET-5170 Series User Manual page 205

Solving Problems
Colored Banding Appears at Intervals of Approximately 1.1 cm or 3.3 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 Type" on page 30
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The print quality is set to low.
Solutions
When printing on plain paper, print using a higher quality setting.
Select Best in Quality.
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 Copies, Vertical Banding, or Misalignment
The following causes can be considered.
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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Copy Quality is Poor