Printronix T5000R - Manual (Page 25)

The Device Control Commands
23
No Operation (NOP)
Byte D603 Flag CID Data
Count
This command tells the printer to perform no operation.
Sense Type and Model (STM)
Byte D6E4 Flag CID
Count
This command asks the printer to identify its capabilities. The printer responds
with one or more Acknowledge Replies, which contain general information
and command set vectors that identify supported IPDS function sets and
subsets.
Sense Type and Model Acknowledge Reply
The following table shows the STM reply format contained in the special data
area of the Acknowledge Reply. Note that differences between 4028 and
3816 emulation are indicated with
(4028)
and
(3816)
.
Table 3. Sense Type and Model Acknowledge Reply
Offset Value Description
0 X’FF’ System/370 convention
1-2
X’4028’
X’3812’
Product Code
4028 Emulation
3816 Emulation
3 X’01’ Model
4-5 X’0000’ Reserved
Command-set vectors in the following format. Refer to individual
command-set vectors in the following table.
6-7 Length Length of the command-set vector,
including this field.
8-9 Subset ID or
Command-Set
ID For data command sets, the subset ID of a
command set. For other command sets, the
command set ID.
10-11 Level or
Subset ID For data command sets, the level ID of a
data tower. For other command sets, the
subset ID of a command set.
12-end Property Pairs Zero or more command-set property ID and
data pairs.