The firmware running the Smart Operation Panel is outdated or corrupt, creating a mismatch with the main machine firmware.
Enter Service Mode and look at the SP5-XXX log to see if other SC codes are accompanying the 673-10.
Turning off the machine via the main power switch while it is processing data or shutting down.
Before replacing parts, attempt to clear temporary logic errors.
and select "Execute" to clear the logged error from the system memory. If the error persists after these steps, the controller board may need to be replaced, or a firmware update may be required to stabilize the communication link. button sequence to enter service mode for a particular Ricoh model? sc673-10 ricoh error
The main controller is frozen, corrupted, or lacks proper power.
If you can access the Service Mode (SP Mode), check for available firmware updates via the official Ricoh Support site , as this error is sometimes resolved by system software patches.
Does the error pop up , or does it happen randomly mid-job ?
Follow these troubleshooting procedures in order, moving from the simplest non-invasive fixes to advanced hardware checks. Step 1: Execute a Hard Power Reset The firmware running the Smart Operation Panel is
settings to ensure the panel is "connected" in the software: Target Setting: SP5-748-201 (OpePanel Connection). Required Value: Ensure this is set to "1" (Connected)
Disconnect any network cables (LAN/Ethernet) and USB print cables. Wait at least 60 seconds.
Look at the back of the machine at the controller board. If the LEDs are not lighting up or flashing in an unusual pattern, the board may need replacement.
Regularly invite a certified technician to update the machine’s system firmware. Firmware updates often contain patches for communication timing bugs between internal boards. Before replacing parts, attempt to clear temporary logic
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
Since this is a communication error, a physical check of the panel connection is essential. the main power.
Turn off the copier using the power button on the control panel.
The sub-board inside the display housing may be dead.