- 56 -
GS a n
[Function]
Enabling/disabling ASB (Automatic Status Back)
[Code]
<1D>H<61>H<n>
[Range]
0
≤
n
≤
255
[Outline]
This command selects the status item to be addressed by ASB (Automatic Status
Back.)
Bit
Status Item Addressed by ASB
Hex.
Decimal
0 Undefined
—
—
1
Online/offline status = Disabled
00
0
Online/offline status = Enabled
02
2
Error status = Disabled
00
0
2
Error status = Enabled
04
4
Continuous Paper Sensor = Disabled
00
0
3
Continuous Paper Sensor = Enabled
08
8
4 Undefined
—
—
5 Undefined
—
—
6 Undefined
—
—
7 Undefined
—
—
[Caution]
• If any status item is enabled, the status is sent to the host when this command is
executed. After that time on, the status is sent each time an enabled status item
changes. Because each status item represents the current condition, status items
disabled for ASB may also have changed.
• The ASB function is disabled if all status items are disabled.
• If the ASB function is enabled by default, the host receives the status the first time
the printer gets ready for communication after it is turned on.
• The printer sends 4 bytes of status shown in the tables below, without checking
whether the host is ready to receive or busy. The 4 bytes of status is a continuous
string except for XOFF code.
• Because this command is executed when data is mapped in the receive buffer, there
may be a delay between command receiving and status sending depending on the
condition of the receive buffer.
• Even if the printer is excluded from the selection of peripheral equipment ESC =, the
4 bytes of status is sent to the host whenever status changes.
• When DLE EOT, GS I, or GS r is used, the host must discriminate between the
status specified by these commands and the status due to ASB.
