New 6500 E709n loses wireless connection when it or laptop sleeps... & other problems!

Just got this printer and am hoping we can get it to work because we really like it.  I believe we've done everything right - it is connected to PC via USB, and to laptop via wireless network.  Both computers are Dells running XP.  Our wireless router is a Linksys Wireless-G WRT54G.  We installed the disk on both.  Immediately after installing on the laptop by plugging in USB and then unplugging, we were able to get it to work.  We printed and scanned from both . . . UNTIL the printer went into power save mode.
When it sleeps it loses all the network connections (but will still print from PC).  Even the icons disappear from the laptop after it sleeps.  The only way to get it to work with the laptop again is to start all over, plug in the laptop, enter the WPA key again, and so on.  Then it's finebut for just a short while.  Now, when I registered my protection plan, I was on the phone with a techie guy and asked him if it's normal to have to keep entering the key every time you want to print, and he actually said that maybe I shouldn't let the printer sleep - wow! I want to conserve energy, so I may even want to shut it off, okay, and I don't feel I should have to go through this rigamarole every time I want the darn thing to just be available to the network.  Furthermore, what's the sense of having to turn "Wireless Radio" on and off all the time???
Anyway, there are other problems and the menus in the internal web browser is about as confusing as it can be.  Is the passphrase the same as a WPA key?  There's a passphrase in there which I did not enter, and I don't know what it is because it's been disguised with dots.  When I enter the WPA key on the front panel of the printer, it doesn't stick.  One thing I noticed in the instructions is to keep telephones away from it, so I moved ours (was right next to it) but it's still being ornery.
In addition, the scan function only works from the software, not as a standalone if I use the front panel.  When using the button on the front panel, sometimes it sees the laptop, sometimes it doesn't, and then it starts to scan, but a menu pops up on the computer asking to update the buttons, and then nothing happens.
Have we a clunker on our hands that should be returned, or is there a remedy?  All suggestions welcome!
Message Edited by geoxena on 10-20-2009 10:56 PM
Message Edited by geoxena on 10-20-2009 11:03 PM

Let me answer the easy stuff first:
Yes, the passphrase is the same as the WPA-PSK key.
No, it's not normal to have to re-enter the wireless security key over and over again.  Politely tell our service agent that he is mistaken on this point.
There's no sense in having to turn the radio on and off all the time to get the printer to remain on the network.
When the printer goes into power-save mode, can you still access the printer's internal web page by browsing to it's IP address?  When the printer loses wireless connectivity, can you wake the printer by pressing any of the buttons on the front panel?
I have a couple more questions:
What WRT54G HW version do you have (it'll be on the bottom label of the router)?
What version of FW does your router have?  You'll have to browse to the router's internal web page to find out.
Finally, change the WPA-PSK group key renewal period to the largest value possible.  Tell if this affects the frequency of printer losing Wi-Fi connectivity?
One more question.  After you have the printer connected to your wireless network and it's working, if you turn the printer off (via the power button), wait five seconds then unplug it then plug it back in and turn it on, does it connect to your network?
Regards / Jim B / Wireless Enthusiasts
( While I'm an embedded wireless systems engineer at work, on this forum I do not represent my former employer, Hewlett-Packard, or my current employer, Microsoft )
+ Click the White Kudos star on the left as a way to say "thank you" for helpful posts.

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