Dell B2375dfw printer slow to start up, and then control panel doesn't work properly. Have a client with 6 of these printers, and have seen some issues over the last 2 years. I have upgraded all of them to latest firmware. One lately will eventually work after powering on... but it could be 30 minutes or 6 hours before it works. Then it might only work for a couple days at best. The control panel most of the time has spinning dots while booting up. When it is functional, the blue boxes on the panel are missing and only the white outline for the boxes appears. You can touch a few areas and get a response, like toner levels or error message. You cannot login to the device from the panel. A firmware earlier this year helped other printers, but the latest problem child was not as lucky. Is this printer junk, or does anyone have a magic wand?