HP Officejet 3620 Scanner won't connect, Printer works fine

Sorry, I didn't explain thoroughly earlier... My procedure before was:

1) Update the chipset drivers, etc.
2) Unplug printer from USB
3) Use the "uninstall previous drivers" tool that was unpacked from the HP software installer
4) Uninstall the software from Add / Remove Programs
5) In Device Manager there were no listings (after showing hidden devices) under Printer or Print Spools. However, there was one entry under the "Imaging Devices" Menu, which I uninstalled.
6) Checked Devices and Hardware, printer not listed there.
7) Restart
8) reinstall the full version of HP software
9) From within the HP software there is an option to install additional drivers that would help ensure different machines can use the device. From within this setting I made sure both 64bit and 32bit drivers were installed

When all that failed to give any results is when I posted.

The one thing I have not yet done is download a standalone installer of the chipset, extract it, and point the Device Manager directly to the driver. (I just used the "Check the web for driver updates when I updated). On my friend's machine that had the DVD failure, this was the problem. Windows thought it was using the newest and best driver, but it wasn't. Once I manually redirected the entry in the Device Manager his DVD appeared. All Intel has on their site is a driver utility, which will not help me (because it will just download and install, it won't give me the chance to unpack the file) so I need to hunt for a different place to download.

I also need to move the printer into the other room with the router and try that method of connecting. I have found the printers MAC address so should be able to set it up. We will see if that works, if it does I will have to invest in a longer ethernet cable....

I do not think there is anything faulty with the printer. As a search even on this forum, and the web in general, will show, there are a lot of people complaining of a near identical issue, on a variety of machines. Many HP, but other brands as well. Always the same story, printer is connected, prints fine, but gives an error saying it cannot connect to scanner. Some people were able to fix it and make it work, others not. Notable, there are also numerous complaints of the same thing happening when people upgraded to Windows 8 or Windows 8.1. The newest driver available for this product is more than a year old, and it specifically says it was released to add Win 8.1 compatibility... So I think that the hours I have spent one this all come down on my needing to wait for a driver update... Unless anyone has any other ideas...

:::edit::: PS - I forgot to mention that I had already tried using a different computer, though that one was also running Windows 10 64bit. I have access to one other computer running Windows 10 32bit, but otherwise I can't think of anyone I know running an older version of Windows...

I suppose I would appreciate if someone can confirm that what I think the listing for the chipset is, and the actual listing for the chipset, are the same thing....

I have an Acer e5-571. On their product website (Download Drivers and Manuals | Acer Official Site) they list the chipset driver as being 10.1.1.7, release 08-18-2015.

CPU-ID lists my motherboard as Acer EA50_HB v1.01, with the chipset as Intel Haswell-ULT, Rev. 0B, and the Soutbridge as H8x/P8x Rev. C1

In my Device Manager, the device that looks like it has to be the chipset is "Intel(R) 8 Series LPC Controller (Premium SKU) - 9C43". When I did the automatic update of the drivers for that, it gave me drivers 10.1.1.12, dated 09-21-2015.

My assumption was simply that the Acer site has not updated its driver listing for my product. However, I downloaded the chipset driver from Acer and installed it, thinking that if was wrong about which device was the chipset then this would update it, and if I was right then it would be easy enough to manually update to 10.1.1.12 again. However, installation went fine, it said it was successful and there were no errors, but nothing changed in the Device Manager, and everything still listed as 10.1.1.12. This supports my assumption that Acer's website is just out of date. (I also found a Lenovo site offering the 10.1.17as the newest chipset, too Intel Chipset Haswell Driver for Windows 10 (64-bit) - Desktop - Lenovo Support (US)).

I am going to try and download the install file of 10.1.1.12 from here (http://alldrivers.****.net/news/inte...2015-10-16-770). I am going to first just install that, and then if that doesn't work unpack it and point the device directly to the driver, just in case Windows is looking in the wrong direction. (My internet is abysmal right now, and downloading even that 25mb file is proving a challenge, so I don't know when it will happen).

My only question or concern is, am I looking at the right place? The listing from CPU-ID being so different confused me a little bit. Should I be looking for something else? There is nothing else nested under the System menu that looks like it could be correct, there are two Intel Express Root Ports (9C14 and 9C16), an Intel SMBus Controller (9C22), an Intel Management Engine Interface, and an Intel Serial IO I2C Host Controller (9C62). However, I already updated all of these letting Windows search online for the newst drivers, they all needed updating....