Service Call (SC) codes in the 600-series generally indicate between the main controller and its various sub-components. While specific sub-codes can vary by model, the SC673-10 typically signals a failure in the communication link between the controller board and the operation panel or an auxiliary engine board.

: In rare cases, a defective controller board (CTL) or a faulty memory module may be the culprit. Step-by-Step Troubleshooting Guide

SC67310 is a . In Ricoh’s Service Code taxonomy, "SC" stands for Service Call. The number sequence breaks down as follows:

Ensure any external USB or network cables are securely seated, as faulty peripherals can sometimes trigger communication timing errors. JustAnswer 3. Clear the SC Error (Technician Mode)

The main logic board may have a loose connection or faulty firmware Operation Panel Cable: