User`s guide

NOTE: The commands that you type do not appear on the screen,
so type carefully. If you make a mistake when typing,
the command does not work. If you make a mistake, use
the editing keys or exit the interactive mode and start at
the beginning of the procedure.
Exiting Interactive Mode
To end interactive mode
1. Type
Ctrl + D
(Hold down the Control key while pressing D.)
This inserts the serial end-of-the-file character.
2. If you want to return to ESP mode, quit you application and
return the printer to ESP mode using the PS Executive Series
Utilities.
Editing Keys
The following special characters can be used to make corrections
when entering a command as long as the Return key has not yet
been pressed.
Interactive
Mode
Editing Keys
Backspace backs up and erases one character
Ctrl + H backs up and erases one character
Ctrl + U erases the current line
Ctrl + C aborts the entire statement and starts over
Delete same as a Backspace key
Chapter 9
PostScript: Technical Overview 9-5