Xerox 4050 Service Manual

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OVERVIEW
<LEFT ARROW>
Moves the cursor left one space. 
<LINE DELETE>
Deletes the current line. 
<PRINTER STATUS>
Displays printer status information.  There can be a delay of a few
seconds before the status displays.
<RIGHT ARROW>
Moves the cursor right one space.
<SAMPLE>
Sends a sample of the next page to be printed to the sample
tray.  Does not interrupt printing.
<SHIFT>
Activates the symbols on the upper portion of the numeric keys,
such as punctuation and special characters.
<SPACE BAR>
Inserts a space at the cursor position.
<STOP>
Halts processing temporarily.
<TAB>
Moves the cursor eight spaces to the right.
Commands
You enter commands at the command line of the system
controller.  The LPS accepts your commands whenever the
following prompt displays:
READY FOR COMMANDS
For a command to be recognized by the system, you must do
the following:
1. Enter the command in the format specified by the system.
2. Press <ENTER> to execute.
If you make an error entering a command, the system displays
the following message:
OS2710 Invalid command. Re-enter.
1. Verify the command syntax:
— Keyword is correct
— All required parameters are included
— Parameters are correct
— Parameter values are valid
— Commas are in place for all parameters skipped.
2. Enter the command again.
Commands are not case-sensitive.  You can enter them using
lowercase, uppercase, or a combination of the two.
The command syntax is made up of the following two elements:
Keywords
Parameters. 
XEROX 4050/4090/4450/4650 LPS OPERATOR GUIDE
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