Epson LQ 630S Reference Manual page 71

Incorrect characters are printed.
Cause
Your printer and the computer
may not be communicating
correctly.
Your printer is connected via a
serial interface and the setting
of the flow control is incorrect.
(For LQ-630S only)
The wrong character table is
selected in your software.
The font or characters set in your application software cannot be
printed.
Cause
Your application software is
not correctly configured for
your printer.
The printer does not print the font you selected in the default
settings.
Cause
Software settings override
settings you make in the
default settings.
What to do
Make sure that you use the correct
interface cable and that the
communications protocol is correct.
Refer to the Setup Sheet and your
computer documentation. If you
installed the optional interface card, also
see the Administrator's Manual
packaged with it.
Change the flow control setting in your
printer driver. To change the flow
control setting, click the Details tab in
the printer driver's properties window,
then click the Port Settings button.
Select Xon / Xoff as the Flow control
setting in the dialog box that appears.
Select the correct character table in your
software or the printer's default settings.
Note that the character table setting in
your software overrides the settings
made in the default-setting mode.
What to do
Make sure that your application software
is correctly configured for your printer.
See your application documentation.
What to do
Use your software to select the font.
Troubleshooting
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