Epson TM-T90 Printer User Manual


 
CONFIDENTIAL
Paper roll Miscellaneous commands GS ( H
Ver. 10.01 p. 425
GS ( H
EXECUTING COMMAND
[Name] Require response transmission
[Printers not featuring this command] TM-J2000/J2100, TM-T88III, TM-L60II, TM-U220, TM-U230, TM-U210,
TM-U300A/B
[Description] Various process are performed as the response.
pL
,
pH
specifies (
pL
+
pH
× 256) as the number of bytes after
pH
(
fn
and
m
).
Function code
fn
specifies the type of response control.
[Notes]
Do not use this command in a system in which the printer is used with the OPOS driver and Java POS driver
that are provided by Seiko Epson Corporation.
The function of this command is defined by function code
fn
and the operation differs depending on the
function selected.
“Response” is a data block to inform the host of the processing status. There are three kinds of “Response”
as shown in the following table. Untransmitted multi-kind responses are stored in the printer and
transmitted in the order of priority shown in the following table, ignoring the order of occurrence.
fn Function
48 Function 48 Specifies the process ID response.
49 Function 49 Specifies the offline response.
Kind of Response Related Command Priority
Process ID response <Function 48> of this command 1
Offline response <Function 49> of this command 2
Clear response 25 DLE DC4 (fn = 8) 3
Miscellaneous commands