Unisys EFP9800 manual = 3 Error Status Bit Description, Receipt/Journal Paper Out Switch Status

EFP9800 ESC/POS Commands

n = 3: Error Status
		Error Status
Bit	Description	0	1
0	Not Used	Always 0
1	Not Used		Always 1
2	Mechanical Error	No Error	Error
3	Undefined
4	Not Used		Always 1
5	Unrecoverable Error	No Error	Error
6-7	Not Used	Always 0

Note: For Bit 2, mechanical errors include home position detection, carriage detection, and slip ejection errors. If the error is due to a paper jam or similar condition, the printer can be recovered with DLE ENQ n (1 ≤ n ≥ 2) after the jam is cleared. If the error is due to a circuit failure (i.e., a wire break), the printer cannot be recovered.

n = 4: Receipt/Journal Paper Out Switch Status
		Receipt/Journal Paper Out Switch Status
Bit	Receipt/Journal Paper Out Switch	0	1
0	Not Used	Always 0
1	Not Used		Always 1
2	Journal Paper Near End	Paper Low Not Detected	Paper Low Detected
3	Journal Paper Near End	Paper Low Not Detected	Paper Low Detected
4	Not Used		Always 1
5-6	Undefined
7	Not Used	Always 0

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