Try this link:

https://www.dell.com/support/article/en-th/sln284448/how-to-troubleshoot-paper-jam-error-codes-077-100-077-101-077-102-077-103-077-900-or-077-901-on-the-3130cn-3130cdn-dell-laser-printers?lang=en

Just go with this one, I know it says Dell but if you follow the instructions it will resolve your issue.