Instruction Manual

The Device Control Commands
29
Execute Order Home State (XOH)
Byte D68F Flag CID Data (Code and
Count Parameters)
The following orders are valid only when the printer receives them in the
home state. The XOH command identifies these orders.
XOH Obtain Printer Characteristics
This order causes a set of device self-defined fields describing printer
characteristics to be placed in the Special Data Area of the Acknowledgement
Reply and is identified with an acknowledgement type of X’46’.
See Table 7 for a detailed description of each Self-Defining field reported in
the Acknowledge Reply.
Table 6. Execute Order Home State Commands
Order Function Hex Code
Erase Residual Print Data Prevents access to resident
print data.
0500
Obtain Printer
Characteristics
Used for Acknowledge
Replies.
F300
Print Buffered Data All data in the buffer prints. 0100
Set Media Size Specifies the page size. 1700
Table 7. XOH Obtain Printer Characteristics Reply
Offset Value Description
PRINTABLE AREA
0-1 X’0018’ LENGTH of this Self-Defining Field
2-3 X’0001’ PRINTABLE AREA Self-Defining Field ID
4 X’00’ INPUT MEDIA SOURCE
5X’00’ Reserved
6 X’00’ UNIT BASE 10 inches
7X’00’ Reserved
8-9 X’3840’ L-units per UNIT BASE
10-11 X’0090’ - X’xxxx’ WIDTH of the Medium Presentation Space in
L-units (determined by configuration setting)