Specifications

NCR 5021 Printer Emulation Commands
3255 4073–002 8–13
Cancel Double-Wide
Ends double-wide printing.
Hexadecimal Decimal ASCII
10 16 DLE
Set Double-Wide
Starts double-wide printing. The printer returns to single-wide mode when it
receives the Cancel Double-Wide (10) command or when the end of the current
line is reached.
Hexadecimal Decimal ASCII
12 18 DC2
Set Interline Spacing
Sets the number of dot rows that are printed between lines. The default number
of dot rows is 2. The valid range is from 1 to 7 dot rows.
This command is processed only when the printer is Offline.
Hexadecimal Decimal ASCII Value of n
1B 5B 72 n ESC [ r n 31-37
Printer Status Commands
Read Status
Returns the status of the printer.
Printable data sent to the printer immediately after this command is not
included in the print process or data buffer status.
If the printer is not processing data, but data is buffered, then the printer is
holding a partially formed line and is waiting for the user to complete the line
before it is printed. The forms compensation assembly is not opened while the
printer holds a partial line of data.
The data buffer status reflects the state of the data buffers only, not the
communication buffers.