A: Hi Limari,
Thanks for getting in touch.
It depends if you're experiencing paper jams or if the error actually shows specifically as a cartridge jam.
If you are having a paper jam issue, I would recommend consulting the user guide and referring to page 89 (electronic page version)/79 (the actual manual page) that contains all the information on fixing paper jams - http://bit.ly/2lpSUYr.
Here you'll be able to go through some steps to rectifying this.
If you have an issue with the cartridge itself, I would recommend contacting the HP support team directly on 0207 660 0596.
I hope this helps and please let us know if you have any further questions.
The Printerbase Team