The SC673-10 is a "Type D" Service Call (SC) error. In Ricoh's diagnostic system, SC codes indicate a problem serious enough to stop the machine from operating, requiring technical intervention. The "D" classification signifies a hardware-related issue, often pointing to a board or a connection failure.
Always plug your multifunction printer into a dedicated wall outlet with a high-quality line conditioner or surge protector designed for copiers. Power fluctuations can easily damage sensitive controller boards.
or high-quality surge protector to prevent voltage dips.
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. sc673-10 ricoh error
Securely plug the cables back into the board and the screen. 4. Clear the SC Error Log
Does the error pop up when turning on the machine, or only after it sits idle?
If the error persists after checking cables: The SC673-10 is a "Type D" Service Call (SC) error
Verify that this setting is or set to 1 . If it is turned off, the screen will never communicate properly with the main controller board. 3. Check the Control Panel Wiring
The SC673-10 sub-code specifically means that the printer controller failed to establish a connection with the operation panel board within a designated timeframe after power-up. This break in the communication loop prevents the user interface from receiving or sending signals to the main engine. Primary Causes of Ricoh SC673-10
Power on the machine to see if the system reads the boot files successfully. Step 3: Inspect and Reseat Internal Cables Always plug your multifunction printer into a dedicated
: Turn off the copier using the main power button, unplug it from the wall for at least 30–60 seconds , and then plug it back in.
If the machine boots into the Service Mode (often by holding specific keys like "Clear Modes" > "107" > "Stop/Start" for older models, or via the settings menu on newer ones), check the firmware version.
The entire wire loom running from the body to the pivoting panel arm. How to Prevent SC673-10 in the Future