Epson Stylus Color 740i User Manual page 146

Only the P power light is on, but nothing prints
Possible cause
The interface cable is
not connected
securely.
The printer has an
internal problem.
The printer or
application software is
installed incorrectly.
Your computer doesn't
have enough memory
to handle the file you're
printing.
Printing is stalled.
The print head nozzles
are clogged or the ink
cartridges are too old.
Troubleshooting
Solution
Turn off your printer and computer. Then make sure the cable is
connected securely and meets the printer's specifications.
Turn off the printer and computer, disconnect the interface cable, and
run a printer check as described in
If the printer check works, make sure your printer and application
software are correctly installed. If you're printing on a network, you may
need to set up your printer for network printing.
Try one of the following:
Reduce the resolution of your image.
Select fewer colors or a lower resolution for your display or monitor.
Add more memory to your computer.
In Windows, delete the stalled print jobs in Spool Manager; see
the Spool Manager for instructions. In Windows NT, uninstall the
EPSON Printer Port. Click Start, point to Programs, EPSON Printers,
and select EPSON Printer Port Uninstall.
On a Macintosh, delete stalled print jobs using Monitor3 (see
Monitor3) or open the Extensions folder, EPSON folder, and Spool
folder, and then delete any queued files.
Clean the print head; see
cleaning doesn't help, replace the cartridges. For information on
cartridge life and replacement instructions, see
Cartridge.
Running a Printer Operation
Cleaning the Print Head
Replacing an Ink
Check.
Using
Using
for instructions. If
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