topic Canon TR8520 Won't Copy from ADF in Desktop Inkjet Printers https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Canon-TR8520-Won-t-Copy-from-ADF/m-p/350903#M12889 <P>My&nbsp;TR8520 Stopped Copying any sizes of simple letters and documents from the tray (error mesage)&nbsp;since months ago, though copying from platen glass has been OK. I can't figure out what went wrong. Anyone knows why and what the solution is? Thank You!</P><P>&nbsp;</P> Wed, 08 Sep 2021 12:11:25 GMT RChu 2021-09-08T12:11:25Z Canon TR8520 Won't Copy from ADF https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Canon-TR8520-Won-t-Copy-from-ADF/m-p/350903#M12889 <P>My&nbsp;TR8520 Stopped Copying any sizes of simple letters and documents from the tray (error mesage)&nbsp;since months ago, though copying from platen glass has been OK. I can't figure out what went wrong. Anyone knows why and what the solution is? Thank You!</P><P>&nbsp;</P> Wed, 08 Sep 2021 12:11:25 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Canon-TR8520-Won-t-Copy-from-ADF/m-p/350903#M12889 RChu 2021-09-08T12:11:25Z