Hello Lee612,
If you have tried these solutions and are unable to clear it, you will need to place a service call. HERE are your support options for your device.
Hi! I'm using Phaser 6022 with Mac OS Catalina 10.15 and have an error message about a paper jam in paper tray and at rear door. I have cleared out paper tray and back opening, but it still won't clear the error so I can resume printing. Any ideas?