Unisys EFP9800 Manual

A SERVICE OF

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EFP9800 ESC/POS Commands

6– 60 3255 4073– 002

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