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cannot connect to home printer from another location

Posted on 2010-08-31
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Last Modified: 2013-12-15
Hey Guys,

I have a HP Photosmart c309a printer. it supports ethernet, wifi and usb. I am trying to add a printer when im away from home over the internet.

I have opened port 80, 9100 and 3910 on the router at home, but i still cannot find the printer.

any suggestions?

for now i dont want to try VPN method

Rodney Almeida.
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Question by:rodney_alm
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by:rnicolaus
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Also try Ports 515 and 631, then create a port forwarding trigger to the printer's local IP address. Then setup your local printer as your home router's public IP.

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by:mikesuss
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You will probably have to add an additional printer using your dsl or cable modem's address.

Right now when you try to print to your printer, it is using your internal IP to access it.  This will not work over the internet.

(You will have to make sure that your ISP is not changing your IP all the time, if they do, you will need to use a free DNS service that works with dynamic IP addresses, such as dyndns http://www.dyndns.com/services/dns/dyndns/)

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by:rodney_alm
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mikesuss: i should have mentioned earlier - already using ddns
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by:mikesuss
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Ok, have you checked the following:

1 ddns is pointing to your IP?

2 the port is actually open?
(you can use shields up from www.grc.com to check it)

3. port forwarding is actually happening?
(easy way to test is to try to telnet to the ip / port)

It is quite possible that your ISP is blocking it, and you will need to set up a VPN solution.

I use a router that has DD-WRT on it and it allows PPTP VPN.  
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by:rnicolaus
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LogmeIn Pro has the ability to remote print as well as remote control, file transfer, etc.  There is a 30 day free trial, no CC needed, after it's around $10/mo. and doesn't require any firewall ports to be opened thereby introducing security issues.

http://www.logmein.com
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by:mikesuss
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logmein also owns hamachi, a free VPN.


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by:wyliecoyoteuk
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Have you set a gateway on the printer?
Unless you do, it will only have a one way connection, and can't reply .
Can you ping it?
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by:wyliecoyoteuk
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OOPs, forget the ping question.

You will need to forward an external port to port 9100 (or whatever the printer is using) on the printer's IP address.
To check the port number, look in the print driver under ports, and click "configure port" you can then see what port number it is using.
LPR is usually 515, and RAW is usually 9100 or 10001
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by:rodney_alm
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wyliecoyoteuk: you were right about the gateway. I had set the gateway incorrectly. Now that its corrected i can see the printer. However when i give a print job.. Its says printing, but i dont get any printouts nor any error messages. Any suggestions?


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by:rodney_alm
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wyliecoyoteuk: you were right about the gateway. I had set the gateway incorrectly. Now that its corrected i can see the printer. However when i give a print job.. Its says printing, but i dont get any printouts nor any error messages. Any suggestions?


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wyliecoyoteuk earned 500 total points
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a few things to check, remembering that will probably be a slow connection.

1. In the print driver, disable "bi-drectional support" on the ports tab
2. in the advanced tab, set spooling to "start printing after the last page has spooled"
3. same tab, disable "enhanced printing features"
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by:rodney_alm
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i am getting printouts now. but the second page gives me an error and the complete job starts reprinting.. agin with errors

bi-directional support is diables
if i disable "enhanced printing features... nothing gets printed.

sorry for the delay in responding
rodney
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by:wyliecoyoteuk
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You could try "start printing after the first page has spooled"
But it sounds like the link is just too slow, sorry.
Ink jets are not really suited for this sort of thing.
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Author Closing Comment

by:rodney_alm
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i think i have to blame the connection speed. Thanks for the help
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