Epson FX-80 User Manual page 323

Problem Solution
Horizontal tabs don't work cor- Each tab sequence must be termi-
rectly. nated by a CHR$(O) or a number
less than that of the last tab value.
Horizontal tabs are incorrect
when changing pitch.
Graphics
Strange things print.
Printer "freezes" in Graphics
Mode.
Having trouble getting a full page
in width.
Getting funny stuff in the pin pat-
terns.
Having trouble getting into
Graphics Mode.
User-Defined Characters
Tabs are set according to current
print pitch. Changes in pitch do
not affect the position of the tabs
on the page.
Computers have problems sending
codes from 8 - 13 and
o.
They are
best avoided if possible. Other-
wise, you can POKE them directly
to the printer.
The printer expects a certain num-
ber of pin patterns, determined by
n1 and n2. It will wait patiently
until the quota is full. Note that 9-
Pin Graphics Mode requires 2
bytes for each column of graphics.
Seven-bit computers are limited to
widths of 0 - 127, 256 - 383, 512 -
639, etc. See Chapter 11.
Seven-bit computers cannot use
the 8th pin (128). If you have a 7-
bit computer and your pin se-
quence is larger than 127, change
it!
Make sure the high-order bit is
OFF. For 7-bit computers, that
means sending the code:
(ESC)"=".
The last character is swallowed Make sure the attribute byte is sent
by the printer ... nothing gets before the ll-pin patterns for
printed. EACH character.
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