Epson AcuLaser C3000 Series User Manual page 230

The interface cable may not be
plugged in securely.
You may not be using the
correct interface cable.
Some error may have
occurred.
Your application software is
not properly set up for your
printer.
Your computer system's
memory is too small to handle
the volume of data in your
document.
230
Troubleshooting
Check both ends of the interface cable
between the printer and the computer.
If you are using the USB interface, use a
Revision 2.0 cable.
Check the LCD panel to see if an error
message appears.
Make sure that the printer is selected in
your application software.
Try reducing the image resolution of
your document in the application
software, or install more memory in
your computer if you can.