https://community.usa.canon.com/t5/Office-Printers/Color-imageCLASS-MF644Cdw-screen-blank-after-updating-firmware/m-p/381621#M16649 <P>I updated my firmware for my printer ( imageclass MF644Cdw) from the printer screen menu. No problem initially - seemed to work. But about 30 minutes later the screen on my printer is blank. Not sure it is relevant but I also signed up for automatic toner service today.&nbsp;</P><P>I tried turning the printer off and on and also tried restarting my computer. Screen on printer is still blank!</P> Mon, 08 Aug 2022 22:19:32 GMT WCT 2022-08-08T22:19:32Z https://community.usa.canon.com/t5/Office-Printers/Color-imageCLASS-MF644Cdw-screen-blank-after-updating-firmware/m-p/381621#M16649 <P>I updated my firmware for my printer ( imageclass MF644Cdw) from the printer screen menu. No problem initially - seemed to work. But about 30 minutes later the screen on my printer is blank. Not sure it is relevant but I also signed up for automatic toner service today.&nbsp;</P><P>I tried turning the printer off and on and also tried restarting my computer. Screen on printer is still blank!</P> Mon, 08 Aug 2022 22:19:32 GMT https://community.usa.canon.com/t5/Office-Printers/Color-imageCLASS-MF644Cdw-screen-blank-after-updating-firmware/m-p/381621#M16649 WCT 2022-08-08T22:19:32Z https://community.usa.canon.com/t5/Office-Printers/Color-imageCLASS-MF644Cdw-screen-blank-after-updating-firmware/m-p/384389#M16832 <P>Hello WCT,</P> <P>From what you are describing it looks like something is wrong with the hardware. In this situation, I would suggest contacting support at 1-800-652-2666. Our agents would be happy to assist with the issue and can provide any available service options.</P> Fri, 02 Sep 2022 20:07:51 GMT https://community.usa.canon.com/t5/Office-Printers/Color-imageCLASS-MF644Cdw-screen-blank-after-updating-firmware/m-p/384389#M16832 Hector 2022-09-02T20:07:51Z