Xerox 4500 PS TR 用户手册
Appendix Section
Xerox 4500 PS TR
Xerox 4500 PS TR
178
Appendix B.3: Problem determination
•
What action do I take if a communication error occurs during the
upgrade process?
upgrade process?
If the microcode download fails while you are using the TCP/IP boot
server, power the Xerox 4500 PS TR off and back on again.
server, power the Xerox 4500 PS TR off and back on again.
If a baseblock checksum error occurs during microcode download,
download via the centronics port is the only way to upgrade the
microcode (below is shown LED status if a baseblock checksum
error occurs):
download via the centronics port is the only way to upgrade the
microcode (below is shown LED status if a baseblock checksum
error occurs):
Condition
LED
Status
LAN
SES
PRT
Baseblock checksum
error (Micro-code
download needed,
Centronics only)
error (Micro-code
download needed,
Centronics only)
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON