HP Officejet Pro 8500 Will not scan in home network

Multiple computers in wireless network home. Router is Linksys E2500. The HP Officejet Pro 8500 is physically attached to a Netgear WN 2000 RPT Range Extender.

At one time scan worked but now it does not.

Windows 7 Home Premium 64 bit computer and Windows Vista Home Premium 64 bit computer. Both can print but neither will can through HP Solution Center.

I can scan if I go to the IP address of the printer in IE and use their web utility.

I have reloaded the software and in the wizard I get the message:

"Network Diagnostics. Problem found with your network.....
The PC and the printer are connected to different networks(248129xxxx and 204E7F75Fxxx. They must be connected to the same network. This can happen when you use the manufacturer's default network name....

The wizard fails yet I am still able to add the printer via Add a Printer in control panel. It will print but not scan.

So the printers can print but not scan and they are using the same Gateway it appears
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RockySeaConnect With a Mentor Author Commented:
Thanks for your assistance but unfortunately none worked. I ended up USB from Printer to closest desktop in order to scan. That is the best solution I have at this time until I have more time to research and find the solution. Thank you.
JohnBusiness Consultant (Owner)Commented:
First (and for certain), go the HP8500 control panel, look for network settings and give the printer a static IP address (dynamic addressing can change and screw things up).

To do this, log into the router and determine where DHCP starts and give the Printer an address below that - nominally 192.168.10 or something like that.

Now restart the computer and make sure you can print. If any computer cannot print, local the printer driver and then see if you can renew the connection under the PORTS tab. Make sure all the computers are printing and then check the scanner.

Second (optional but Highly Recommended): Hook up the Printer with an Ethernet cable. It will work better.

I have that printer here, it is statically connected, and connected by ethernet and the printing and scanning is flawless.

... Thinkpads_User
RockySeaAuthor Commented:
I set the IP address to for the printer. No problem printing but it still will not scan. I can access it still through the web and scan from there but I cannot use HP solution center(it says printer is disconnected) and Microsoft Fax and Scan says no scanner detected.

If I plug in via USB can scan no problem.

Cannot use ethernet because router is in garage.

The printer is connected via ethernet to the Netgear Wireless Repeater.
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JohnBusiness Consultant (Owner)Commented:
Take the printer into the garage as test, hook it up by wire and see if scanning works. That will narrow down the issue.

Since it works by USB, I think the wireless may be the issue. Testing by wire will prove that. You may need a stronger wireless setup.

.... Thinkapds_User
JohnBusiness Consultant (Owner)Commented:
You can try doing a hard reset of the printer, but somehow, I do not think that will resolve anything. Still worth a try.

Here is an article in support of that:


.... Thinkpads_User
RockySeaAuthor Commented:
Yes I believe that wireless is definitely the issue but not range because I can print to the printer.

So communication is going one way but not the other. I can scan if I plug in via USB so I do not believe the issue lies with either the printer or the computer(s).

I believe the issue is with the Linksys router and the Netgear range extender. I believe it is a setting or permission issue but I do not know networking well enough to determine what.
JohnBusiness Consultant (Owner)Commented:
Note the article below on doing a full reset. Caution: The first suggest is a semi-reset and the correction is below. Read through and reset your printer. That will reset the wireless card and may help.


Now with respect to networking, I installed an HP8600 (newer model) for a client and hooked it to a consumer Linksys router. Printing was less than stellar and scanning would not work. I tried resetting the router and so on but never made it work. I replaced the router with a good switch and connected the printer that way and it works like a champ. I do like Cisco Linksys commercial gear but not all routers are equal.

If you cannot change your networking setup (run a cable from garage to basement for example), you may need to consider better networking gear.

It is unlikely to be a permission issue unless the router firewall is blocking access. It could be a setting issue, but I have reviewed basic settings and I am not sure precisely what setting would have caused this.

.... Thinkpads_User
RockySeaAuthor Commented:
It was a temporary fix. I will have to figure out why it will not network scan in the future when I have more time to dedicate to this issue.
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