Update both the System/Copy firmware and the Engine firmware to ensure version compatibility. Step 5: Isolate and Replace Hardware Modules
Download the absolute latest along with the System/Copy firmware from the official site. Format a standard SD card or USB flash drive to FAT32.
The Ricoh error code is an "Operation Panel Flair Communication Error" specifically occurring on devices equipped with a Smart Operation Panel (SOP) . This error indicates a breakdown in communication between the machine's controller board and the monitoring service of the operation panel. Root Causes of SC673-10
Did this error happen , or right after a storm, power outage, or move ?
| Possible Cause | Likelihood | Difficulty Level | Primary Solution | | :--- | :--- | :--- | :--- | | Incorrect Software Setting | Very High | Easy | Set to 1: Connect | | Loose/Bad Harness Cable | High | Easy to Moderate | Reseat or replace the panel connection cable | | Firmware/Software Glitch | Medium | Moderate | Perform a Hard Power Cycle or update firmware | | Faulty Controller Board | Medium | Hard | Replace the Controller Board | | Faulty Operation Panel | Low | Hard | Replace the Smart Operation Panel | | Faulty BICU Board | Very Low | Hard | Replace the BICU Board |
If your machine has optional memory installed, a defect in the RAM module can disrupt the startup sequence. How to Resolve the Error 1. Basic Power Reset
Before attempting technical repairs, try a standard power cycle to clear temporary glitches.
Boot the device directly into and apply updates across all system layers simultaneously to ensure software parity. 4. Run the Service Program (SP) Mode Reset
If the hardware connection is good, corrupted startup code might be blocking the handshake.
: In rare cases, the Smart Operation Panel or the Controller Board itself may have failed and will require replacement.
A: Officially, this code is only generated on models that support or have an SOP installed. However, a service mode memory reset on some models might incorrectly re-enable the Smart Operation Panel setting. The solution is to enter SP mode, set SP5-748-201 to 0 , and check additional related SP codes like SP5-748-101 , SP5-752-001 , etc..
Wait exactly three minutes to allow internal capacitors to discharge fully.
Follow these steps from simple to complex to resolve the error:
Ricoh regularly releases firmware updates that can fix known bugs and issues. Check if your machine's firmware is up-to-date. You can find the latest firmware on the official Ricoh support website or consult with your authorized service provider. For instance, a technical bulletin for the MP C4503 specifically noted that an update was released to correct a problem that could lead to an SC673-10 error occurring.
The code is a specific Service Call (error) code for Ricoh multifunction printers (specifically the Pro C5100/C5110 series). The number "10" likely refers to a sub-code or a specific counter, but the core issue is SC673 .






