Copy Quality Is Poor - Epson WF-6590 User Manual

User's Guide
❏ Disable the bidirectional (or high speed) setting. When this setting is enabled, the print head prints while
moving in both directions, and vertical lines may be misaligned. If you disable this feature, printing may slow
down.
❏ Control panel
When printing JPEGs or TIFFs, press Settings, and then disable Bidirectional.
❏ Windows
Clear High Speed on the printer driver's More Options tab.
❏ Mac OS X
Select System Preferences from the
then select the printer. Click Options & Supplies > Options (or Driver). Select Off as the High Speed
Printing setting.
❏ Perform a nozzle check, and then clean the print head if any of the print head nozzles are clogged.
❏ Align the print head. If your printouts contain horizontal banding or streaks after trying Print Head Cleaning
and Horizontal Alignment, select Setup > Maintenance > Improve Horizontal Streaks to finely tune the
horizontal alignment.
❏ Do not stack the paper immediately after printing.
❏ Dry the printouts completely before filing or displaying them. When drying the printouts, avoid direct sun light,
do not use a dryer, and do not touch the printed side of paper.
❏ Try to use genuine Epson ink cartridges. This product is designed to adjust colors based on the use of genuine
Epson ink cartridges. The use of non-genuine ink cartridges may cause print quality to decline.
❏ Epson recommends using the ink cartridge before the date printed on the package.
❏ For best results, use up ink cartridge within six months of installation.
❏ When printing images or photos, Epson recommends using genuine Epson paper rather than plain paper. Print
on the printable side of the genuine Epson paper.
Related Information
"Paper Handling Precautions" on page 39
&
"List of Paper Types" on page 42
&
"Adjusting the Print Color" on page 72
&
"Checking and Cleaning the Print Head" on page 134
&
"Aligning the Print Head" on page 136
&
"Improving Horizontal Streaks" on page 137
&
"Available Paper and Capacities" on page 40
&

Copy Quality Is Poor

Check the following if uneven colors, smears, dots, or straight lines appear in the copied image.
❏ Load and eject paper without printing to clean the paper path.
❏ Clean the scanner glass.
❏ Clean the ADF.
❏ Do not press too hard on the original or the document cover when you are placing the originals on the scanner
glass. Uneven colors, smears, or dots may appear when the original or the document cover are pressed too hard.
Solving Problems
menu > Printers & Scanners (or Print & Scan, Print & Fax), and
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