Sc673-10 Ricoh Error Jun 2026

Inspect the physical cable harness running from the display panel down into the controller board.

After replacing a controller board, you must update the panel firmware via SD card before first boot – otherwise SC673-10 will appear immediately.

continuously power-cycle the machine more than 3 times when SC673-10 appears. Each failed handshake increments an internal counter (SP7-403). At 10 counts, the controller locks the panel port until a full NVRAM reset.

The operation panel connects to the controller board via internal data cables (often a specialized USB harness or flat flexible cables). If the machine was recently moved, opened for maintenance, or subjected to heavy vibration, these cables can shift out of their sockets. 2. Controller Board Firmware Glitches

: If the error persists after a reset and firmware update, a technician may need to check the internal USB cables or the Controller (CTL) board. sc673-10 ricoh error

Loose or disconnected harnesses (cables) connecting the operation panel to the controller board. Some technicians have specifically noted that low-quality USB cables used in certain models can cause these intermittent drops.

If cable and panel are fine, the controller board may be defective.

Locate the small access panel on the side or rear of the display monitor.

This is a type "D" error, meaning it is a communication error that can often be resolved without replacing hardware. Inspect the physical cable harness running from the

: Turn the machine off and back on to complete the reset process. Hardware Causes to Investigate

Follow these diagnostic steps ranging from simple resets to advanced hardware inspections. 1. Perform a Hard Power Reset

A malfunctioning controller board that is too slow to respond to the panel's notifications.

Turn the power back and wait for the system to initialize. 2. Check the Smart Operation Panel (SOP) Settings If the machine was recently moved, opened for

Contact Ricoh-authorized service

Insert the media into the designated service slot (usually on the side of the controller board or panel).

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