Xerox 721 Message Manual page 135

XEROX 4635 LASER PRINTING SYSTEM MESSAGE GUIDE
OS2715 Command ignored, retry later.
The command entered cannot be processed because it conflicts
with an ongoing process.
Action Reenter the command after the process is completed.
OS2720 Invalid control key. Retry
The system cannot respond at this time to the function key that
was pressed due to a conflicting process or condition of the
printer.
Action Wait until the process has completed and press the key again.
or
Press a different function key.
OS2725 Invalid drive unit specified.
The specified command refers to an invalid disk drive unit.
Action Check and retry command.
OS2726 Invalid tape device specified.
You have named a tape device that is not available on your
system.
Action Verify the tape device number and retry the command.
OS2730 Requested task not found in system. Check and retry.
A command was requested that the system cannot perform, or a
task name was keyed in incorrectly.
Action 1. Verify the task name and enter it correctly.
2. If the message reappears, the task is not available on your
system.
OS2732 Command not allowed until printer is cycled down.
You have entered a command that cannot be processed until the
printer is inactive (cycled down).
Action Wait until the printer cycles down and then retry the command.
OS2733 Command not allowed while IOT is in service mode.
The command you have entered cannot be processed while the
printer is being serviced.
Action None.
OS2734 Command not allowed while in lockout mode.
You have entered a command that cannot be processed because
the system is in a lockout diagnostic mode.
Action None.
OSS (OPERATING SYSTEM SOFTWARE) MESSAGES
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