Improving Print Quality - Epson Stylus Color 640 User Manual

Troubleshooting
5 Turn off the printer. Then reconnect the interface cable and turn
on your printer and computer.
6 Compare the quality of the printed nozzle check pattern with
the sample above. In particular, look for missing segments in
the lines, which may indicate a misaligned print head or
clogged ink nozzle. See
Print Head for instructions.

Improving Print Quality

You can often improve print quality by doing one of the following:
Clean the print head; the print head nozzles may be clogged
(see Cleaning the Print Head
Use higher quality paper appropriate for your print job (see
Selecting Special Media
Match the Media Type setting in the printer settings dialog box
to the type of media you loaded in the printer. Then the printer
software can automatically select other settings for the best
quality (see Setting Printer Options from Windows Applications
and Printing on Special Media
Turn off High Speed mode (see
Special Effects for details).
Turn off Economy mode (see
Special Effects for details).
Aligning the Print Head
for instructions).
for a list of EPSON papers).
for details).
Customizing Print Quality and
Customizing Print Quality and
or Cleaning the
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