Windows 7 Laserjet 479dfw issue with front panel Scan to Computer -- wakes up if scan from laptop

[RJL3]

UPDATE: I can wake up the Scan to Computer if I initiate a scan from my laptop first.  Then the Scan to Computer will wake up and work.

I have two laptops.   One runs Windows 10 and the second runs Windows 7.

I use the Scan To Computer feature a lot.  The Windows 10 laptop never has an issue.  The Windows 7 machine will work for quite a few hours but then when I attempt to Scan to Computer, it quits working.

The  HP Fix Scan & Print software can detect the printer but can't connect to fix the issue.

On the Scan section of the main package, I get the Fix issue button which does not work.

Why won't this software consistently work with my Windows 7 laptop?  If if worked once and several times in a few hours, why does it stop working?

[Repairatrooper]

I have run into cases where having another scanning software installed can cause issues. Particular Brother scanning software. How are you attaching the printer to the network, wireless or wired? 

[RJL3]

The only way to wake up the function is to reboot my laptop and the Scan To Computer will work without fail from within a few minutes to a few hours.   Then it just stops.

I removed all the software associated with the prior printer that worked flawlessly.