If you are staring at a frozen Ricoh copier screen displaying the error code , your machine is trying to tell you a specific component has failed. This error essentially means the controller board cannot communicate with the Hard Disk Drive (HDD) during the startup (boot) process.
Disconnect optional accessories such as fax units, additional paper banks, finishers, or authentication card readers. sc673-10 ricoh error
Re-seat connectors (basic)