: Turn the machine on; it should boot into a firmware update menu.
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If your MP 5055 is enrolled in Ricoh’s @Remote service, a technician can push firmware directly over the internet. No physical SD card is required. : Turn the machine on; it should boot
| Error Message | Probable Cause | Solution | | :--- | :--- | :--- | | | SD card not formatted to FAT32, or romdata folder is in the wrong location. | Re-format SD card. Ensure romdata is in the root, not inside another folder. | | Power failure during update | The unit shut off. | This is serious. Try to restart the update process using the SD card. If the machine will not boot, you need a new controller board or a specialized JTAG recovery. Call service. | | Engine update fails at 99% | A hardware interlock (e.g., door open, low toner). | Check all covers, trays, and supplies. Turn off, then attempt again. | | Network update times out | Firewall blocking port 443/80 or network congestion. | Switch to SD card method. Never attempt a network update over Wi-Fi; always use Ethernet. | | Version mismatch | You downloaded firmware for the MP 5054 or MP C6004. | Double-check the model plate on the back of your machine. It must say "MP 5055." | No physical SD card is required
| Step | Action | Expected Result | |------|--------|------------------| | 1 | Power off MFP, insert USB into (front or side, not card slot). | - | | 2 | Power on while holding # key (or Stop key depending on model) until screen flashes. | Boot loader mode appears. | | 3 | Select “Firmware Update” (using numeric keypad). | Module list displays. | | 4 | Choose “Update All” (recommended) or individual modules. | Progress bar per module. | | 5 | Wait. Do not power off. | Device auto-reboots once complete. | | 6 | Remove USB after reboot and “Update Successful” message. | - |