Plug the power cord directly into a known working wall outlet (avoid extension cords or power strips for this test). Recheck if the machine boots to the home screen. Step 2: Check the Smart Operation Panel (SOP) SD Card
If you are staring at the control panel of your Ricoh multifunction printer (MFP) and seeing the dreaded error code, you know the frustration all too well. The machine is unresponsive, the screen may be frozen or cycling, and your workflow has come to a grinding halt.
If cable and panel are fine, the controller board may be defective.
Replace suspect parts (technician)
: The controller's CATS (Control Service Module) drops its handshake signal before the operation panel responds.
Enter Service Mode (the exact sequence varies by model, often involving the Reset key followed by numbers like 806182 and holding "C").
Remove the plastic protective rear coverings of the Smart Operation Panel assembly.
The failure can be caused by hardware malfunction, loose connections, or firmware corruption. The most common causes include:
A known issue where the error triggers during normal operation or after waking from sleep mode.
The error on Ricoh multifunction printers (MFPs) is a communication error that typically occurs between the controller board and the operation panel or other internal components during startup . This specific sub-code ( -10negative 10
Disconnect any network (Ethernet) cables and external USB drives.
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.
The code indicates a Smart Operation Panel (SOP) communication failure .Specifically, it means the main controller board of the Ricoh machine cannot communicate with the Smart Operation Panel (the tablet-like screen). SC: Service Call 673: Operation Panel Communication Error