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NCR 5021 Printer Emulation Commands
8–14 3255 4073–002
If a paper jam has occurred, the print mechanism must be cleared. If more
printable data than the print data buffer can accommodate is sent, the printer
discards all data after the data buffer is filled.
This command is executed immediately, regardless of the state of the printer.
Hexadecimal Decimal ASCII
1B 5B 31 27 91 49 ESC [ 1
The printer sends the following in reply to the message: 1BH, 5BH, wwH, xxH,
yyH, zzH, 70H
Value Indicates
ww 30H
31H
Offline
Online
xx 30H
31H
32H
Idle
Busy
Jam
yy 30H
31H
Buffer Empty
Buffer Not Empty
zz 30H
31H
Forms Compensation Assembly
Closed
Forms Compensation Assembly
Open
Read Tallies
Returns printer tallies for hours on and lines printed. The tallies are not cleared
by the Reset (1B 5B 30) command.
Hexadecimal Decimal ASCII
1B 5B 34 1B 5B 52 ESC [ 4
The printer sends the following in reply to the message: 1BH, 5BH, xxH, xxH,
xxH, xxH, xxH, xxH, xxH, xxH, 2CH, 30H, 30H, 30H, 30H, 2CH, 30H, 30H, 30H,
30H, 70H.
The value of xxxxxxxx is the count of lines printed (in unpacked ASCII).