Xerox 4635 User Manual
Page 150
OSS (OPERATING SYSTEM SOFTWARE) MESSAGES
OS4700
System has no tape drive.
A magnetic tape-related command was entered. Your system is
unable to process it because it is an “online only” system
Action
None.
OS4710
The specified tape unit is unavailable.
Check the command and reenter correct tape unit.
Action
None.
OS4720
Assign LUN failed.
The attempt to assign a logical unit number as the result of a
SUB DEV command has failed.
Action
Check the command and reenter correct tape unit.
OS4800
Power failure - waiting for disk.
The system temporarily lost power due to a power outage or a
disconnect from its electrical source.
Action
Wait for further instructions to appear on the printer control
console display.
OS4810
System power-failure recovery in progress.
The system temporarily lost power due to a power outage or a
disconnect from its electrical source. Automatic job recovery is
being attempted.
Action
Follow recovery instructions as they appear on the printer control
console display.
OS4820 Power
interruption.
A power failure has occurred, or the system was inadvertently
turned off.
Action
Reboot the system when power is restored.
OS4900
System disk write protected: reset write protect and enter
‘RETURN’ when done.
The write protect switch on the system disk drive is on; files on
the system disk cannot be changed or deleted.
Action
1. Turn the write protect switch on the system disk drive to the
OFF position.
2. Press the
6-74
XEROX 4635 LASER PRINTING SYSTEM MESSAGE GUIDE