You need to Disconnect the unit and uninstall all printer/scanner related software here.
Control Panel\All Control Panel Items\Programs and Features
Restart PC
Then go to the link Mark gave you. There is 2 NEW Downloads and other utility tools.
Now 2 days ago there was 2 new updates.
One is the firmware.
This updates the printer itself.
It is not the driver and software that installs on the PC.
You need to update the printer firmware first.
Firmware - Recently Added: 1 item displayed
Date: Oct 24, 2018
Version: 3.50.03.01
Size: 24.5 MB
Format: ZIP
WC 3215/3225 General Release Firmware v3.50.03.01
Recently Added
Description
See Also
Installation Guide (PDF 206 KB)
ReadMe (PDF 73 KB)
Make sure to power cycle the unit when done. Do not plug into PC yet.
Then re-install this
Drivers - Recently Added: 1 item displayed
Date: Oct 24, 2018
Version: v3.12.38.3
Size: 235.5 MB
Format: EXE
Xerox WorkCentre 3215 Software Installer Package v3.12.38.3
RecommendedRecently AddedScanV3 DriverWHQL
Description
RESTART PC
And then look at the other packages to install and install them.
Restart PC
Also if this connects wireless, then I would reboot the modem/router and restart all PC's on your network.