Xerox 721 Message Manual page 178

OSS (OPERATING SYSTEM SOFTWARE) MESSAGES
6-102
OS8053 IPD File management; initialization failure. (IPDDIR.SYS)
IPD could not find or create IPDDIR.SYS, resulting in a job abort.
Action 1. RNAME IPDDIR.SYS to some well-known name (e.g.,
BADnnn.TMP).
2. Resend the job.
3. Contact your systems specialist or Xerox Customer Support
to log the bad sector and delete the well-known name.
OS8100 Requested task already active - Reboot the system.
The task requested is still active improperly, possibly due to
improper job recovery after a software failure.
Action Press the Boot button and enter B to force proper recovery by
rebooting the system.
OS8200 Invalid TMCB received from a task.
A task message control block (information sent from one task to
another) was sent to the wrong task.
Action 1. Enter the RESET command.
2. Retry the job.
3. If the message reappears, contact your systems specialist or
Xerox Customer Service.
OS8250 System mailbox value is invalid.
The system mailbox value you have entered is not accepted by
the system.
Action Verify your parameter and retry the command.
OS8251 System mailbox read/write error.
There is a serious internal problem with the system.
Action Contact your supervisor or systems specialist, or Xerox support.
OS8300 Unable to access next file for sample print.
The input task encountered a system disk error during a sample
print job.
Action 1. Restart the job.
2. If the failure recurs, contact your systems specialist or Xerox
Customer Service.
OS8320 Input cannot open accounting file.
The accounting file on the system disk cannot be accessed.
Action Copy file ACFILE.SYS to the system disk from your Xerox 4635
LPS OSS tape, reentering user department names. (Refer to your
4635 LPS Operations Reference chapter on tracking system
activity for additional information.)
XEROX 4635 LASER PRINTING SYSTEM MESSAGE GUIDE