SC670Ricoh SP 3710DNHas video

Fix Ricoh SP 3710DN SC670-00 Error Code | Engine Response

Error code SC670 indicates that the main controller board on the Ricoh SP 3710DN failed to establish communication with the engine board during power-on initialization. This is commonly caused by power glitches or temporary firmware locks.

1 views

Common causes

  • 1Engine board startup response timeout during POST.
  • 2Loose internal harness connecting the controller and engine boards.
  • 3Transient power glitch or frozen system firmware.
  • 4Hardware defect in controller board.

Solutions

Troubleshooting SC670

When this error occurs, the system stops booting to avoid processing data with uninitialized hardware.

Step-by-Step Resolution:

  1. Disconnect External Leads: Remove Ethernet network cables and USB connections from the back of the printer.
  2. Hard Cold Restart: Turn off the printer power switch, unplug it from the wall for 5 minutes, then reconnect.
  3. Isolated Test Boot: Power the printer back on without network cables to confirm if it enters 'Ready' mode.

Steps to follow

  1. 1

    Unplug interface cables

    Disconnect Ethernet and USB cables from the back of the device.

  2. 2

    Execute cold reset

    Power off the printer, unplug it from wall power, wait 5 minutes, then re-plug directly.

  3. 3

    Test system boot

    Power on the printer isolated from network traffic to check if the error clears.

Videos

Frequently asked questions

Not necessarily. It is frequently resolved simply by clearing temporary logic states via a power reset.

If power cycling fails to fix it, an authorized technician should verify harness connections or re-flash system firmware.