4-8 Epson TM-U950 Commands
n=2: Off-line status
Bit Off/On Hex Decimal Function
0 Off 00 0 Not used. Fixed to Off.
1 On 02 2 Not used. Fixed to On.
2 Off 00 0 Cover is closed.
On 04 4 Cover is open.
3 Off 00 0 Paper is not being fed by the paper feed button.
On 08 8 Paper is being fed by the paper feed button.
4 On 10 16 Not used. Fixed to On.
5 Off 00 0 No paper end stop.
On 20 32 Printing stops due to the paper end.
6 Off 00 0 No error.
On 40 64 Error occurs.
7 Off 00 0 Not used. Fixed to Off.
Bit 5 On (printing stop due to paper end) when printing stops due to paper-end detected by the paper end sensor or the
paper near-end sensor enabled by using the ESC c 4.
n=3: Error status
Bit Off/On Hex Decimal Function
0 Off 00 0 Not used. Fixed to Off.
1 On 02 2 Not used. Fixed to On.
2 Off 00 0 No mechanical error.
On 04 4 Mechanical error occurred.
3 Off 00 0 No auto-cutter error.
On 08 8 Auto-cutter error occurred.
4 On 10 16 Not used. Fixed to On.
5 Off 00 0 No unrecoverable error.
On 20 32 Unrecoverable error occurred.
6 Off 00 0 No temporary abnormality of the print head temperature.
On 40 64 Temporary abnormality of the print head temperature has
occurred.
7 Off 00 0 Not used. Fixed to Off.
Bit 2 Mechanical errors include home position, carriage sensor and slip ejection errors.
Bits 2 and 3 If these errors occur due to paper jams or the like, it is possible to recover by correcting the cause of the
error and executing DLE ENQ n (n=1-2). If an error due to a circuit failure (e. g. broken wire) occurs, it is
impossible to recover.
Bit 6 If the print head temperature becomes high, bit 6 is transmitted until the print head temperature drops
sufficiently. The printer automatically recovers from this error.
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