Olivetti PR 4 Programmer's Manual page 73

Third byte (paper sensor information)
Bit Off/On Hex
0 Off 00
On 01
1 Off 00
On 02
2 Off 00
On 04
3 Off 00
On 08
4 Off 00
5 Off 00
On 20
6 Off 00
On 40
7 Off 00
Fourth byte (paper sensor information)
Bit Off/On Hex
0 Off 00
On 01
1 Off 00
On 02
2,3 - -
4 Off 00
5, 6 - -
7 Off 00
Bit 1 becomes 0 (possible to print) when paper loading has finished and is 1 when slip ejection is started or when time out.
When the slip paper is selected and the printer goes to the slip waiting state:
. Bits 5 and 6 of the third byte are 1 (no paper)
. Bits 0 and 1 of the fourth byte are 0 (selected) and 1 (impossible to print), respectively.
When the printer goes to the slip ejection waiting with slip selected:
. Bits 5 and 6 of the third byte are 1 (no paper) and 0 (paper present), respectively.
. Bits 0 and 1 of the fourth byte are 0 (selected) and 1 (impossible to print), respectively.
When printing stops due to paper-end disabled by ESC c 4, bit 1 of the fourth byte (slip status) does not become 1 (impossible to print)
even when there is no remaining printing space on the slip. Use GS r 3 to check the remaining printing space on the slip.
Default: n = 0, when " BUSY OFFLINE: YES" is selected via setup,
n = 2, when " BUSY OFFLINE: NO" is selected via setup.
References: DLE EOT, ESC v, ESC u, GS ENQ, GS r
Epson TM-U950 Commands
Decimal Function
0 Journal near end sensor: paper adequate.
1 Journal near end sensor: paper near end.
0 Receipt near end sensor: paper adequate.
2 Receipt near end sensor: paper near end.
0 Journal end sensor: paper present.
4 Journal end sensor: no paper present.
0 Receipt end sensor: paper present.
8 Receipt end sensor: no paper present.
0 Not used. Fixed to Off.
0 Slip insertion sensor: paper present.
32 Slip insertion sensor: no paper present.
0 Slip ejection sensor: paper present.
64 Slip ejection sensor: no paper present.
0 Not used. Fixed to Off.
Decimal Function
0 Slip selection: selected.
1 Slip selection: not selected.
0 Slip status: possible to print.
2 Slip status: not possible to print.
- Undefined.
0 Not used. Fixed to Off.
- Undefined.
0 Not used. Fixed to Off.
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