Xerox 721 Message Manual - page 245
4635 LPS ADDITIONAL MESSAGES
Numbered 4635 LPS messages
Messages 7 through 36
Messages 7 through 36 appear when serious User Interface
software problems occur. For all of these messages, call for
Xerox service.
Messages 41 and 42
41
At least one of the main UI windows did not create
Microsoft Windows cannot create a window required by the
SysUI. This may be due to a corrupt sysui.exe file, a coding
error, or lack of Windows resources.
Action
Select the OK header button to retry the process. If the problem
persists, call Xerox Customer Service.
42
Failure of Unformat ESS Message
A message received from the system controller failed to properly
unformat.
Action
Select the OK header button to retry the process. If the problem
persists, call Xerox Customer Service.
Messages 44 through 48
Messages 44 through 48 appear when serious User Interface
software problems occur. For all of these messages, call for
Xerox service.
Message 538
Message 538 is a result of problems/warnings/status that could
occur during the processing of messages and signals/interrupts
from the system controller (ESS) or during the sending of
commands to the system controller.
538
Error writing to ESS
Writing to the system controller communication port failed while
in TEM (terminal emulation mode).
Action
Select the OK header button to retry the process. If the problem
persists, call Xerox Customer Service.
Messages 540 and 541
Messages 540 and 541 appear when serious User Interface
software problems occur. For both of these messages, call for
Xerox service.
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XEROX 4635 LASER PRINTING SYSTEM MESSAGE GUIDE