Sc673-10 Ricoh Error Guide

The small interface board inside the display housing.

This "Flair" communication is a dedicated path that allows the Smart Operation Panel to exchange machine status information with the main controller. The error occurs when this communication pathway is disrupted; simply put, the main machine is not responding to the operation panel, or the panel's software is behaving abnormally. sc673-10 ricoh error

Damaged circuits, blown capacitors, or corrupted memory chips on the main controller board will cause initialization timeouts. The small interface board inside the display housing

Ricoh error code SC673-10 indicates a communication failure between the Smart Operation Panel and the main controller, often resulting from disabled SP settings or controller malfunctions. Recommended solutions include power cycling the device, verifying the OpePanel connection setting in Service Mode (SP5-748-201), and inspecting hardware components. Find detailed troubleshooting steps at Find detailed troubleshooting steps at When the controller

When the controller boots, it sends a WHO_ARE_YOU? command to the panel. The panel must reply with its model ID and firmware version within a strict window (typically 15–30 seconds). means the controller received no valid reply or a malformed reply during that window. The controller then shuts down the panel power (via the 5V/12V enable line) and logs SC673-10.

Understanding why this error happens makes it much easier to fix. Here are the most common culprits: