Epson FX-85 User Manual - Page 58

Note that 9-Pin Graphics Mode, Graphics Mode.

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Printer "freezes" in Graphics Mode. Can't get a full page in width. Having trouble getting into Graphics Mode. The printer expects a certain number of pin patterns, determined by n1 and n2. It will wait patiently until the quota is full. Note that 9-Pin Graphics Mode requires two bytes for each column of graphics. Some systems require a WIDTH statement. See your system documentation. Seven-bit computers are limited to widths of 0 - 127, 256 - 383, 512 - 639, etc. See below. Make sure the high-order bit is OFF. For 7-bit computers, that m" =ea"ns sending the code: ESCape User-Defined Characters The last character is swallowed Make sure the attribute byte is by the printer . . . nothing gets sent before the 11-pin patterns for printed. EACH character. Characters are one dot too high or low. Use the correct setting for the attribute byte. An attribute byte less than 128 makes the bottom 8 pins active (good for descenders). An attribute byte of 128 or greater activates the top 8 (matching ROM characters without descenders). Characters are running too close together. You must reserve space between characters within the character design. Typically, the last 2 columns are defined as 0. See the matrixes for ROM characters in Appendix A. Some of the dots are being Two dots in the same row cannot ignored by the printer. be printed in adjacent columns.

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Printer “freezes” in Graphics
Mode.
Can’t get a full page in width.
Having trouble getting into
Graphics Mode.
User-Defined Characters
The last character is swallowed
by the printer . . . nothing gets
printed.
Characters are one dot too high
or low.
Characters are running too close
together.
Some of the dots are being
ignored by the printer.
The printer expects a certain
number of pin patterns, deter-
mined by n
1
and n
2
. It will wait
patiently until the quota is full.
Note that 9-Pin Graphics Mode
requires two bytes for each col-
umn of graphics.
Some systems require a WIDTH
statement. See your system docu-
mentation.
Seven-bit computers are limited
to widths of 0 - 127, 256 - 383, 512
- 639,
etc. See below.
Make sure the high-order bit is
OFF. For 7-bit computers, that
means sending the code: ESCape
" = "
Make sure the attribute byte is
sent before the 11-pin patterns for
EACH character.
Use the correct setting for the
attribute byte. An attribute byte
less than 128 makes the bottom 8
pins active (good for descenders).
An attribute byte of 128 or
greater activates the top 8
(matching ROM characters with-
out descenders).
You must reserve space between
characters within the character
design. Typically, the last 2 col-
umns are defined as 0. See the
matrixes for ROM characters in
Appendix A.
Two dots in the same row cannot
be printed in adjacent columns.