PSC C4780 - connects to the wireless router, then disconnects, repeat...

So I have a C4780 who knows a problem similar to what other people know about with different models.

It seems that the printer cannot be connected to the router for more than 30 seconds.  I look at the screen of the printer and the intensity of the signal will be full one minute and gone the next minute.  Although full shell, I am able to connect to the Web site of the printer from my computer and print from my computer.  Whenever the signal goes, is my ability to communicate with him.  I use a Linksys WRK54G wireless router.   Also connected to it are my HP Pavilion dv7-1132nr laptop and my laptop Dell Inspiron 1545.  None of them lose connectivity to the router or the internet during this time.

When I installed the printer, he gave me three errors.  He told me to unblock the following ports from my PC to my printer:

UDP 427 @ 192.168.1.102

TCP 9220 @ 169.254.21.72

UDP 161 @ 169.254.21.72

I tried in my firewall opening completely disabling the firewall.  No approach has worked.  I do believe however, that the problem is between my PC and the printer, but rather the router and the printer.  The printer doesn't keep in touch with the router or the router is not that the printer is connected to it.

It's late and I have worked on throughout the day, including an hour and forty minutes on the phone with technical support.  If anyone can think of any I've left out (I know there are a lot), I will be happy to provide it.

Thank you

Kevin

I've seen similar problems.  I have not found this problem completely, yet do not give you the "shotgun" perscription, but it is better than losing the use of the printer.

The 169.254.x.y address is problematic for the driver software.  The following three things helped a lot other people.

(1) give the printer a address static IP - one that sits on the right subnet (192.168.1.x)

* You must enter your router AND the printer's IP address, if the router gives to someone else, and so the printer knows what it is.

* I do not have the printer in front of me, model if you cannot figure it out, let me know and I'll find the instructions.  If you can not understand how to configure your router, I'll try to find a reference in the manual.

(2) make sure that your computers have only a connection to your router.  If you're wired AND wireless to your router, it can be confusing network of driver code.

3) go to your firewall and unlock things like Setup has loaded, but replace all references 169.254.x.y 192.168.1.102 (assuming that you give the printer the number 102 to step #1 above)

That said, you may be right in your assertion that the problem is between the printer and the router.  Your description of the signal strength indicator is strange.  To what extent is your printer from the router?  How is that distance compares to other devices on your network?  There the walls or shelves between the router and the printer?

Tags: HP Printers

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