Ithaca 150 Programmer's Manual page 75

Programmer's Guide
Function
ASCII
Hexadecimal
Decimal
Function
Response
Where
12/14/99
PcOS Series 150
Inquire printer state
[ENQ] <15>
05H 0FH
<5> <15>
Returns current printer state
Serial/Parallel, IEEE1284
[ACK] <15> <n> <r1> <r2>...
<15> is the echo of the command ID.
n = number of return bytes + 40 (to prevent confusion with
XON/XOFF).
<r1>: Bit 0 = Form clamp closed
Bit 1 = Undefined
Bit 2 = Receipt paper out
Bit 3 = Undefined
Bit 4 = In error state (Waiting for error to be cleared)
Bit 5 = Undefined
Bit 6 = 1 always
Bit 7 = 0 always
<r2>: Forms processing state
040H No forms processing
044H Waiting to enter validation mode or for the paper path to be
cleared to enter validation mode
045H Waiting for an internal delay time-out (auto clear)
Other states may be active but will automatically be cleared.
Rev G
Control Codes
Printer Status Set/Inquire
Parallel, non-IEEE 1284
Not supported via PE
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