Unisys E-@CTION EFP9800 - Manual (Page 194)

NCR 5021 Printer Emulation Commands
8–6 3255 4073–002
Reset Character RAM
Reinitializes the character memory. The original dot patterns are copied from
ROM into RAM, eliminating any changes made by the user.
This command is processed only when the printer is offline.
Hexadecimal Decimal ASCII
1B 5B 70 27 91 112 ESC [ p
Read Slip Sensor
Returns the state of the slip sensor in the forms compensation assembly of the
printer.
This command is processed only when the printer is online.
Hexadecimal Decimal ASCII
1B 5B 77 01 11 27 91 119 01 17 ESC [ w 01 11
The printer sends the following in reply to the message: 1BH, 5BH, xxH, 70H.
x = slip sensor status
30H Form Present
31H Form Not Present
32H Forms Compensation
Assembly Closed
Open Forms Compensation Assembly
Opens the forms compensation assembly. This command is ignored when:
•
The printer is printing.
•
The printer holds a partially formed line.
•
The printer is processing data.
•
A paper jam has occurred.
The printer does not accept print data when the forms compensation assembly
is open. Only commands are accepted and processed when the forms
compensation assembly is open.