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n Description
31 Release print buffer
32 Cancel print buffer
33 Undefined
34 EC request; send status
35 Undefined
36 Undefined
37 Undefined
38 Undefined
40 Reset printer
41 Enable unsolicited status
42 Disable unsolicited status
43 Disable transparent XON/XOFF
m n Description
1 31 Release the print buffer for printing. This should be sent
after an error has occurred and the print buffer is held. If
an error occurred during the transaction that was being
held, the printer sends back the line number with the error
and the error status. The system can then decide to cancel
or continue printing after the error is corrected. The
system uses this command to continue printing after the
error is corrected.
2 32 Cancel print buffer. This clears the print buffer of all data.
In RS-232 (EIA-232) mode, the user must wait for buffer
empty status (status byte 2, bit 6) before sending any more
commands.
Note: A status message is returned immediately after
execution of this command.
3 33 Undefined.
4 34 EC request - transmit printer status. Sends the printer's
status to the system. This command does not go into the
printer's data buffer but is processed immediately.
The printer status is returned in status bytes 1–16. See
Chapter 5, “Status information,” on page 89 for more
information.
Status byte 5, bit 1, will be set after the EC request has
been executed.
5-8 35-38 Undefined
@ 40 Reset the printer. The printer stops what it is doing and
goes through its reset routine. The print buffer is canceled
and all commands erased. All printer settings go back to
default values.
Chapter 2. Communication parameters 75