Programming Codes
Ithaca
®
8000
Programmer’s Guide
Page 172
Rev D
100-06908
[ENQ] <15> Inquire printer state
ASCII
[ENQ] <15>
Hexadecimal
05H 11H
Decimal
<5> <15>
Function
The [ENQ] <15> command returns the current printer state
Note
[ENQ] <17> also returns the current printer state, but it should not be
used as it conflicts with XON/XOFF flow control.
Response
[ACK] <15> <n> <r
1
> <r
2
>…
Where
<15>
is the echo of the command ID.
<n>
is the number of return bytes + 40 (28H)
(to prevent confusion with XON/XOFF).
<r
1
>:
bit 0 = 1 always
bit 1 = Cover is closed.
bit 2 = Receipt paper is out.
bit 3 = 0
bit 4 = Printer is waiting in an error mode. Use [ENQ]<22> to identify the
specific error and [ENQ]<10> to recover
bit 5 = 0
bit 6 = 1 always
bit 7 = 0 always
<r
2
>:
bit 0 - 5 = 0 always
bit 6 = 1 always
bit 7 = 0 always
Note:
For this status request to function, the "Buffer Full Only" off-line
option should be selected.
Содержание Ithaca 8000
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