Xerox 721 Message Manual page 247

4635 LPS ADDITIONAL MESSAGES
15-4
552 Can't post SM_COMM message
Posting of the SM_COMM message to the application's queue
failed. The communication with the system controller has not
been initiated.
Action 1. Ensure no other Microsoft Windows applications using the
communication ports are running.
2. Select the OK header button to retry the process. If the
problem persists, call Xerox Customer Service.
553 Can't set communications state
Configuring of the communication port failed.
Action 1. Ensure no other Microsoft Windows applications using the
COM ports are running.
2. Select the OK header button to retry the process. If the
problem persists, call Xerox Customer Service.
554 Can't set Terminal Emulation Mode timer
The timer resource was not available for FTR. No further
communication with the system controller is possible.
Action 1. Ensure no other Microsoft Windows applications are running.
2. Select the OK header button to retry the process. If the
problem persists, call Xerox Customer Service.
555 Invalid communications id or unsupported mode
The port ID was not valid.
Action Call Xerox Customer Service.
556 Break detected while receiving from ESS
The communications driver detected the break signal on the
RS232 line. The system controller was probably powered on or
off, causing the command line to get "scrambled" for a while.
Action Select the OK header button to retry the process. If the problem
persists, call Xerox Customer Service.
557 Clear To Send timeout
The Clear To Send timeout has been exceeded.
Action Select the OK header button to retry the process. If the problem
persists, call Xerox Customer Service.
558 Parallel device not selected
An attempt was made to communicate through the parallel port.
The user interface does not communicate through the parallel
port.
Action Select the OK header button to retry the process. If the problem
persists, call Xerox Customer Service.
XEROX 4635 LASER PRINTING SYSTEM MESSAGE GUIDE