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(7) Load Horizontal Tab Stop Data command
The Load Horizontal Tab Stop Data command loads horizontal tab stop data
into the horizontal control buffer (HCB).
Example:
Codes used in the parameter sequence are the same as those of the Load FCB
Data
command.
horizontal tab stop is to be set at column 5.
the horizontal tab stop is to be set at column 15.
the horizontal tab stop is set at columns 5, 15, 25, and 135.
If the column for the horizontal tab stop exceeds the rig'ht
printer regards it as an invalid horizontal tabulation lo,ad
and clears the horizontal control buffer.
Status
Request
The Status Request command directs the printer to report its status to the
Even if the DTR signal is off, the printer can receive this command
host.
and report printer status.
If the XON/XOFF,
the host receives code XOFF from the printer, or if the Reverse Channel is
off (for example, the printer interface buffer is almost full) and the
host transmits this command, the interface can be used efficiently.
(9)
Status
Response commnd
The
Status
Response
transmitted from the host, reports the printer status in the following
format:
Example:
90 24 31 30; 31 33; 34 30; . . . . . . . . . . 9C
Status code 10 13
Out of paper i
Codes used in the parameter sequence above are the same as those of the
Load FCB Data command.
separated
with
For status code details, see Section 6.6.
6 - 26
Parameter
Code 35 in the parameter sequence above indicates that the
command
Reverse Channel line, or DTR line protocol is used and
command, in response to the Status Request command
4 0
FCB
loaded
Interlock
Status codes in the parameter sequence are
semicolons
sequence
Code 31 35 indicates that
Using
Parameter
sequence
this
parameter,
margin, the
data command
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