Canon Community

Anybody know what it means when you see this error code: E100-0001It's an older Canon printer (MF4570dw, no longer supported) but I'd like to keep it running longer if possible. Any suggestions?

If I turn off my MF4570dw printer for a day or so, it keeps asking me to input the date and time to get it to work. It never used to do that; is there some way to avoid having to enter it every time I go to use the printer? Is there some battery issu...