I have a MX 490 just used it but now it is saying to insert a cassette with an error code 1871

[Patrick]

Hi La1no2ow3br4,

To resolve the 1871 error with your PIXMA MX490, please follow the steps on this page:

https://ij.manual.canon/ij/webmanual/ErrorCode/MX490%20series/EN/ERR/1871.html?ref=1871