EF4270 Emulation Commands

Status: 7 Bit

Transmits the status of the paper sensors, cash drawers, forms clamp, and the condition of the printer, including paper jam status. This command is processed immediately. The transmitted status is shown in the table below.

Hexadecimal Decimal ASCII

1B 06

27 6

ESC ACK

Bit

0

1

 

 

 

0

Form Present

Form Not Present

 

 

 

1

Paper Present

Paper Not Present

 

 

 

2

Printer Is On-Line

Fault Condition

 

 

 

3

Cash Drawer 1 Closed

Cash Drawer 1 Open

 

 

 

4

Cash Drawer 2 Closed

Cash Drawer 2 Open

 

 

 

5

Forms Clamp Closed

Forms Clamp Open

 

 

 

6

No Paper Jam

Paper Jam

Status-Firmware

Used for RS-232C printers only. Causes the printer to return 3 bytes (000).

Hexadecimal Decimal ASCII

1B 56

27 86

ESC V

9–24

3255 4073–002

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Unisys EFP9800 manual EF4270 Emulation Commands Status 7 Bit, Status-Firmware