Epson 740 Series - Manual (Page 138)

Troubleshooting Page 138
Running a Printer Operation Check
You can run a printer operation check to determine whether the
problem comes from the printer itself or some other source.
◗ If the results are satisfactory, the problem lies in your software
settings, the interface cable, or your computer.
◗ If the check page does not print correctly, you have a problem
with your printer. See the suggestions in this chapter for
possible solutions.
1 Make sure both the printer and computer are turned off.
2 Disconnect the interface cable from the printer.
B or A When an ink out light comes on, you need to replace
the ink cartridge. See Replacing an Ink Cartridge for
instructions.
P S B A When the P power and S paper out lights flash and
the B black and A color ink out lights come on,
jammed paper may be blocking movement of the print
head. See
The P power and S paper out lights are
flashing and the B black and A color ink out lights are
on for more information.
P S B A When all the lights flash, your printer may have an
internal error. See All the lights are flashing for more
information.