https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/MG-3620-after-installing-cartridges-alarm-flashes-4-times-but/m-p/376766#M57010 <P>Hi,</P><P>Unplug the power cord to the printer then press the power button on the printer 5 times. Once that is done, open the printer and try to move the inks back so you can take them out and reseat them.&nbsp;</P><P><SPAN>Did this answer your question? Please click the&nbsp;Accept as Solution&nbsp;button so that others may find the answer as well.</SPAN></P> Mon, 20 Jun 2022 18:28:02 GMT ArthurJ 2022-06-20T18:28:02Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/MG-3620-after-installing-cartridges-alarm-flashes-4-times-but/m-p/375554#M56714 <P>MG 3620 after installing cartridges, alarm flashes 4 times but wont let me open the head cover, how can i open it so i can aligh the cartridges correctly?</P> Tue, 07 Jun 2022 23:22:09 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/MG-3620-after-installing-cartridges-alarm-flashes-4-times-but/m-p/375554#M56714 Hugooliveros 2022-06-07T23:22:09Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/MG-3620-after-installing-cartridges-alarm-flashes-4-times-but/m-p/376766#M57010 <P>Hi,</P><P>Unplug the power cord to the printer then press the power button on the printer 5 times. Once that is done, open the printer and try to move the inks back so you can take them out and reseat them.&nbsp;</P><P><SPAN>Did this answer your question? Please click the&nbsp;Accept as Solution&nbsp;button so that others may find the answer as well.</SPAN></P> Mon, 20 Jun 2022 18:28:02 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/MG-3620-after-installing-cartridges-alarm-flashes-4-times-but/m-p/376766#M57010 ArthurJ 2022-06-20T18:28:02Z