Reset –4, Open –4 – Unisys E-@CTION EFP9800 User Manual
Page 192

NCR 5021 Printer Emulation Commands
8–4
3255
4073–002
Reset
This command does the following:
•
Stops printing
•
Flushes data buffers
•
Initializes parameters
•
Resets I/O ports
•
Takes the printer offline
It does not reload the character set from NVRAM, affect the interline spacing,
clear the tallies, or flush the communication buffers. The command is executed
immediately, regardless of the state of the printer.
Hexadecimal Decimal
ASCII
1B 5B 30
27 91 48
ESC [ 0
The printer sends the following in reply to this command: 1BH, 5BH, 35H, 30H,
32H, 31H, 2CH, 31H, 30H, 30H, 32H, 2CH, 30H, 31H, 30H, 30H, 2CH, vvH*, vvH*,
70H
*The value of vvH may be 30H-39H.
Open
Puts the printer online. The printer accepts all commands except Set Interline
Spacing (1B 5B 72) and Write Device Control Memory (1B 5B 7F) when it is
online. The printer accepts printable data only when it is online.
If the open command is received while the printer is already online, the open
command is ignored.
The printer is offline when it powers up.
Hexadecimal Decimal
ASCII
1B 5B 32
27 91 50
ESC [ 2