I spent a great deal of time on my own and with my friend, Scott, this morning trying to troubleshoot just what the heck is wrong with the printer. It should work... why won't it?

I configured the printer to send outgoing mail through Gmail, through Time Warner, through JournalScape... all fail. Then I tried setting up a mail server on my local network to remove the variable of having to communicate over the WAN... and it WORKED. That was confusing as hell. So, I thought maybe Time Warner was blocking communication to outgoing smtp servers, but I verified that I could do this exact thing with Mail.app on my MacBook and with my iPhone, so I know Time Warner isn't blocking SMTP traffic.

I tried all of the above wired and wireless.

Then we tried hooking up the printer to my Mac via ethernet and having the Mac share its AirPort connection to the ethernet connected printer... and it WORKED. I scanned a one page document and it showed up in my gmail inbox exactly as it is intended.

But if I just connect the printer to my network, it doesn't work. WTF? I don't know what to do.

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I discovered the problem. The printer isn't DHCP'ing correctly. It was getting an IP and a subnet mask, so it was able to talk to the local network and appeared to "working" but the Default Gateway was still set to 0.0.0.0. I changed it from DHCP to Manual and configured the appropriate ip, subnet mask, and default gateway and voila, it works.