I would then have to assume that a surge took out the toner, there is a chip on it that may have gotten destroyed.
Sadly the only real troubleshooting / fix would be to take out the cartridge, carefully shake it a bit and put it back in, then reboot.
Failing that, you could try simply updating the firmware (It can't hurt, but it isn't likely to resolve the problem either, but its free at least)
Be careful with the shaking though, things can go poorly as seen in these examples.
Hello Joe how are you?
Well this cartridge were replaced on June and the printer were printing fine since last night after an electricity outage and then this cartridge error message displayed!
The current cartride details are:
I will appreciate your guidance and help greatly
Can we assume you just put in the failed cartridge? It certainly appears you have the wrong one, either a metered vs sold or vice versa cartridge.
Does the part number match the one you took out?
Did you buy a toner from a third party or direct from Xerox?
Is it a knock-off toner?
I have a Xerox Phaser 3635 MFP with the next status code:
09-800 The machine has detected an invalid Print Cartridge. User intervention is required to remove the existing cartridge and to install a valid Print Cartridge. Printing has stopped, all other machine services(if installed) are unaffected.
Under Toner Cartridge status says:
Invalid Toner Cartridge 0% life remaining
The system software version is
May you let me know how could I solve this important issue that doesn't let to us printing out at all!
I will appreciate your comments and advice greatly