Re: IP port printers on 2003 server address change

We experienced the same problem just today (and once before about a week ago).
However, we are not using Windows drivers, but JavaPOS drivers.
On one host we are running 3 network and one serial i/f Epson TM-U220.
On another host (on the same network) we are running 1 network and one
serial printer. The installations seem to be identical, except for the number
of network printers on each host:
JVM: 1.4.2_18-b06
JPos: 1.11.3w (2008-10-15)
WinXP SP2

The problem only arises on the network printers hosted together with 2 other
network printers.

Could be worth trying to change to DHCP - will try and get back in a few
weeks if no new problems arise.
Any comments, theories or ideas on how to resolve this problem - and what
might cause it - are very much apreciated. I have also contacted Epson, whos
service employee adviced me to make a clean installation of the JPos...

jkreft: what is your setup?



"Lanwench [MVP - Exchange]" wrote:

jkreft <jkreft.3n92na@xxxxxxxxxxxxx> wrote:
Unusual problem yesterday caused complete chaos. Have a small network
on server 2003 (about 70 nodes) several served printers including
three IP port printers running for POS restaurant preparation. (epson
tm-u230's) After running for a very long time with no problem (years)
sometime midday, all three went offline. Running a setup report from
them directly showed that the addresses for all three of them had been
changed from their static setting (subnet range 10.0.0.70, 71 and 72)
to 224.0.0.1. I had to reset to factory then reconfigure each one. I
have no clue why this happened. I see nothing in event viewer. I tried
internet search and I only get references to "multicast" with that
address but honestly I'm not sure what that is or how it could relate.
Any clue, any idea from anyone would be immeasurably appreciated.
Please help. Thanks, Joe

I can't think how this could happen on its own or how your server could have
anything to do with it. Do the Epsons have any sort of central management
application that could do this? Some sort of firmware bug? Did you contact
Epson support?

For what it's worth, I think you're better off using DHCP reservations for
printers, rather than statics.



.

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