https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Pixma-TR4520/m-p/305667#M17302 <P>Low ink notice remains even after I put a new cartridge in.</P> Fri, 08 May 2020 18:52:27 GMT OldMac75 2020-05-08T18:52:27Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Pixma-TR4520/m-p/305667#M17302 <P>Low ink notice remains even after I put a new cartridge in.</P> Fri, 08 May 2020 18:52:27 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Pixma-TR4520/m-p/305667#M17302 OldMac75 2020-05-08T18:52:27Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Pixma-TR4520/m-p/307131#M17303 <P>Hi Oldmac75.</P><P>&nbsp;</P><P>When replacing ink cartridges, the TR4520 needs to remain powered on.&nbsp; If the printer is unpowered when the inks are swapped, it will operate off of the "last known good level" rather than the new ink cartridge's level.</P><P>&nbsp;</P><P>If using refilled or remanufactured ink cartridges, then the ink level on Canon cartridges is not designed to be reset.</P><P>&nbsp;</P><P>Did this answer your question? Please click the <STRONG>Accept as Solution</STRONG> button so that others may find the answer as well.</P> Wed, 20 May 2020 20:32:54 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Pixma-TR4520/m-p/307131#M17303 Darius 2020-05-20T20:32:54Z