Epson 580 Printer Basics Manual page 44

You see wrong or missing colors.
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Make sure you selected the
color printing.
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Make sure the print head nozzles are not clogged. To clean the print head, see
page 20.
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If you're low on ink, you'll see a low ink error window. Click
follow the on-screen instructions to install a new cartridge. If you don't see an
error window, a cartridge may be more than six months old; to replace it, see
page 28.
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If you're printing a high-resolution image, turn off PhotoEnhance. Also check
if you've turned on a special effect that alters image colors, such as Sepia.
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Try using Automatic mode. See page 7 (Windows) or page 12 (Macintosh) for
instructions.
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Your printed colors can never exactly match your on-screen colors. However,
you can use a color management system to get as close as possible. For
information, see your electronic Reference Guide.
You see incorrect characters.
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Make sure the printer cable is securely connected and that the cable meets the
system requirements on page 43 or page 44.
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Make sure your printer is selected in your application, or as the Windows
default printer or the current printer in the Macintosh Chooser.
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If you're using a switch box with your printer, connect the printer directly to
your computer and try printing again.
Your printout is grainy.
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Try using a higher quality paper.
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Set the Quality/Speed slider to
(Windows) or page 12 (Macintosh).
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Run the Print Head Alignment utility. See page 24 for instructions.
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You may need to increase the image resolution or print it in a smaller size; see
your software documentation.
ink setting and your application is set for
Color
in your printer software; see page 7
Quality
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and
How To