Bizhub 250 printer disconnescts from the network in few minutes

Hi

I have a Bizhub 250 printer connected to our network. It has a static IP address.  24.xxx.xx.146.   2 pcs are running Windows 7 and one Vista.  Everything was working fine. I harve the printer connected to one PC with Windows 7. Other 2 PCs are printing through this Windows 7 PC.  Suddenly since Last Thursday, Printer goes offline 5 minutes after I turn on the PC.  If I restart the PC printer will come online for few minutes again and goes offline.

I am wondering if the Etherntet card on the printer is bad. IF so it should not give any connectivity.

What could be wrong on the PC then?  I unistalled the Trend Micro, to remove any firewall problems.

I appreciate any help with this situation.
 thanks
QCR_SolutionsAsked:
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OveConnect With a Mentor Commented:
the network if the local lan is connected to the internet a 24.x.x.x network is definitely NOT OK.

what does a "tracert <ip-addresse-of-the-printer> show ?

Ove
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OveCommented:
sounds like your win7-machine is going to energy-save-mode after 5mins...pls check inside system-control.

If this is not the case pls check two things from another machine:
1.) ping -t <ip-address of printer>
2.) ping -t <ip-address of win7-pc>

Do both pings stop after 5mins ?

Ove
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QCR_SolutionsAuthor Commented:
I will be able to do this on Monday morning.

What if it still ping stops after 5 mints?

Other thing is, Here all the pcs are networked with 24.xx.xx.128 subnet.  I do not know who created this subnet.  

What if I chane the router and let it give them all new ip addresses, 192.168.x.x    The only problem with this then I have to configure all the inbox settings for scanning on the bizhub printer.  

Let me know what  you think?
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OveCommented:
oops...words scrumbled :-(

if the local lan is connected to the internet a 24.x.x.x network is definitely NOT OK.

what does a "tracert <ip-addresse-of-the-printer> show ?

Ove
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QCR_SolutionsAuthor Commented:
I am trying to see if I can get access to the pc now . Otherwise on Moday only.

So you think the network should be 192.168.x.x.?
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OveCommented:
if the company is not the owner of the official 24.x.x.x-block then you better take 192.168.x.x

Ove
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QCR_SolutionsAuthor Commented:
My question for you is:  It was working ok until last Thursday.
What change took place.  Do you think some one changed settings to energy savings?
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QCR_SolutionsAuthor Commented:
Hi, I just found out that some guy created this 24.x.x.x subnet.

I think it is the best for them to switch to 192.x.x.x

I think it should be easy to do that. Can you give me step by step instructions to remove 24.x.x.x network and go to 192.x.x.x network.

Thanks
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OveCommented:
how many pc's / machines are involved in that network ?
If only some are involved than switching to 192.168.x.x would not be a great pain :-)
Simply change all ip-addresses to the new subnet.

But: if everything worked until last thursday pls check energy-settings on the win7-machine.

Ove
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QCR_SolutionsAuthor Commented:
There are 2 Desktops 1 Laptop and 1 bizhub printer
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QCR_SolutionsAuthor Commented:
Hi, Even though the Printer is getting kicked off all the pcs are having internet connection.
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OveConnect With a Mentor Commented:
did you change the ip's?

Ove
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QCR_SolutionsAuthor Commented:
Hi Ove

The problem was these 3 pcs were directly connected to DSL Modem provided by charter.  So I disconnected them all.  Then connected the router to the Modem.  Then connected the PCs and the printer to the router.  Now all OK.  Since the problem was solved by myself, I would like to close this question.  Ove, I would love to give you points because at least you did raise the question that subnet was not right.

Thank you
Prasad
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QCR_SolutionsAuthor Commented:
Solution is in my post above. If the same thing happens to some one.
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