Epson TM-300A, Operator'S Manual

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Notes on setting head energizing time:
The TM-300A/B and TM-300PA/PB have a command which sets the head
energizing time and the normal mode is set to the default value. When using
two or more roll paper sheets, the copy mode (head energizing time is longer)
shall be selected. (Refer to 6-3 Commands GS E n.)
APPENDIX E Notes on Character Printing
These notes apply to the user-defined characters and the following characters:
F o n t Page
Characte code
7 x 9
0
<B0>H, <B2>H
9 x 9 1
<E5>H, <E7>H
9 x 9 0
<B2>H
1) The printer deletes the right-most dots of a character in double-width mode,
if another character follows.
If the characters shown above are double-width enlarged (dots exists in the
right-most position), the right-most dots of the enlarged character are not
printed as shown in the figure below, if another character follows.
Example: 7 x 9 font is selected
dots are not printed when another character follows.
dots are printed when no character follows. (except dots on 401st dot
position)
2) The TM300A/B and TM-300PA/PB cannot print horizontally adjacent half dots.
A special procedure that avoids horizontally adjacent half dots is used when
print data is buffered in the print buffer. Therefore, some dots of the character
that follows the characters prescribed above are not printed due to the affect of
the previous dots. Also, when the double-height mode is selected, the dots that
are affected by the previous dots are not printed as shown in the following
figure, because double-height processing is carried out during printing after the
print pattern is buffered in the print buffer.
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