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Page 166 100-88002 Rev B
[ENQ] <15> Inquire printer state
ASCII [ENQ] <15>
Hexadecimal 05H 0FH
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 = 1 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.
[ENQ] <20> Inquire all printer status
ASCII [ENQ] <20>
Hexadecimal 05H 14H
Decimal <5> <20>
Function The [ENQ] <20> command returns all status flags
Response [ACK] <20> <n> <r
1
> <r
2
>…
Where:
<20> is the echo of command ID.
<n> is the number of return bytes + 40
(28H) (to prevent confusion with XON/XOFF).
<r
1
>: bit 0 = 0
bit 1 = 0
bit 2 = Receipt paper is out.
bit 3 = Ticket in transport
bit 4 = Receipt paper error occurred. (low or out)
bit 5 = 0