The toner supply motor drives toner into the developer unit; if the developer unit is clogged or seized, it causes the motor to lock.
Troubleshooting Ricoh Error Code SC569-00: A Comprehensive Guide sc569-00 ricoh
Sometimes, the error is a minor glitch.
For business-critical machines, individual component repair is risky. Replace the entire fuser unit with a genuine Ricoh OEM unit. After replacement: The toner supply motor drives toner into the