Epson Equity 320SX PLUS - Manual (Page 201)

4. An application program can occasionally lock the
computer, making it unresponsive to the keyboard. If
your computer does not respond when you type on the
keyboard, you can reset it. Follow the instructions in
Chapter 3.
5. If resetting the computer does not help, turn off your
system, wait five seconds, and then turn it back on. Then
you can restart your application program.
6. If none of these solutions solve your software problem,
contact the software manufacturer for technical support.
Printer Problems
Below are some general steps to follow if you are having
difficulty with your printer. If the problem persists and you
need more detailed information, check your printer manual.
1. If your printer does not work at all, check that the printer
has power and is properly connected to the computer.
(Also, make sure your printer has paper in it.) See
Chapter 1 for instructions or see your printer manual.
2. Check the printer manual for the printer’s correct DIP
switch or control panel settings. These settings help a
printer communicate properly with the computer.
3. If you are using more than one parallel port or more than
one serial port, the computer must know which port is
the primary and which is the secondary. See Chapter 2
for instructions on how to define the parallel and serial
ports using the SETUP program.
4. If your printer is properly set up but is still not
functioning, test it from the MS-DOS level. When the
screen displays the MS-DOS command prompt (such as
C> or A>), hold down Shift and press Print Screen. This
should print the contents of the screen on your printer.
C-16 Troubleshooting