Xerox 721 Message Manual page 73

XEROX 4635 LASER PRINTING SYSTEM MESSAGE GUIDE
IF8405 IPD communication failure; aborting ADD
IPD communication is not operational. The ADD command has
been aborted.
Action Contact your systems specialist or Xerox Customer Service.
IF8406 Incorrect floppy logical unit
The logical unit assigned to the device does not check out
correctly.
Action 1. Retry the command.
2. If this fails again, reboot the system and retry the command.
IF8408 Missing block header on medium to read
The text that was just read from the written file on the medium
was not as expected. The format of the file written by the WRITE
command is either corrupted, the READ and WRITE codes are
not being executed synchronically, or a noncopy medium was
loaded when a READ was attempted.
Action Remount the medium (tape, floppy, etc.), making sure it is the
correct medium for a READ
or
Execute the corresponding WRITE command again for the READ
that failed.
IF8409 Missing font mapping header at file offset?
The text that was just read from the written file on the medium
was not as expected. The format of the file written by the WRITE
command is either corrupted, the READ and WRITE codes are
not being executed in sync, or a noncopy medium was loaded
when a read was attempted.
Action Remount the medium (tape, floppy, etc.), making sure it is the
correct medium for READ.
or
Execute the corresponding WRITE command again for the READ
that failed.
IF8410 Tape file buffering has failed
There is an error in the system call.
Action 1. Retry the operation.
2. If the retry fails, reboot the system.
IF8420 Internal buffer allocation failed, aborting ADD.
Memory allocation for a font file has failed.
Action Contact your systems specialist or Xerox Customer Service.
IFU (INTERPRESS FONT UTILITY) MESSAGES
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