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6.3.1 Character codes
The ASCII code is used as the standard character code.
If the printer is set in 7-bit mode and the host operates in 8-bit mode, the
printer regards the received data as 7-bit data and checks data parity.
data has a correct parity, the printer prints the data as correct 7-bit data.
If not, a transmission error occurs.
When
receiving
character
interface
buffer.
printed after a control code is received.
cleared
after
printing.
Control cod&
The null
(NULL), delete (D
line
feed (LF),
out (SO), shift in (SI), and escape (ESC) codes are control codes indicated in
the area enclosed with a bold-faced line in Table 6.4.
(1) NULL (X'OO') and DEL (X'7F' and X'FF') codes
When receiving either the NULL or DEL code, the printer ignores it, but
does not regard it as an invalid control code.
BEL (X107')
When receiving the BEL code, the printer sounds the bell for 1.
(3) HT (X109') code
The HT code is valid if the horizontal tab data is loaded in to the
printer with the Load Horizontal Tab Stop Data command.
is converted to a space code (X'20').
the horizontal print position is moved to the right tab stop of the
current
horizontal
specified in the horizontal tab data.
Example 1:
Column
Horizontal
tab
Data
Printing
6 - 16
codes, the printer sequentially loads them in to its
Characters corresponding to the loaded character codes are
), sound bell (BEL), horizontal
EL
vertical
tab (VT), forms feed (FF), carriage r'eturn
code
position, within the horizontal tab stops
print
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
stop
A B C D E F G H I J
A B C D E F G H I J
The printed character codes are
If horizontal tab data is loaded,
K
K
If the
(CR), shift
If not, this code
M
N
L M N
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