SC670IM C4500

Ricoh IM C4500 Error SC670: Motor Start Failure

The Ricoh IM C4500 error SC670 signals a communication fault with the motor controller board during the startup sequence. This issue blocks the MFP from reaching the 'Ready' state, causing a system halt. A cold boot cycle is the first step in troubleshooting this initialization error. This copier is designed for demanding enterprise workflows.

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Common causes

  • 1BCU to motor board communication timeout.
  • 2Power instability impacting board boot time.
  • 3Loose internal data ribbon cables.
  • 4Degraded board components due to age.

Solutions

Quick Diagnosis

If you see the SC670 code on the screen during startup, the internal BCU cannot communicate with the drive motor system. The system fails to progress past the splash screen.

Step-by-Step Solution

  1. Hard Power Down: Turn off the main switch; do not use the panel standby button.
  2. Disconnect: Remove the plug from the power source for 5 minutes.
  3. Inspect: Check for any paper jams near the feed rollers.
  4. Reboot: Plug in and power on the system.

Prevention and Maintenance

Use a surge protector for the machine. Ensure the firmware is updated to the latest version by a technician. Use only authentic Ricoh IM C series toners.

When to Call a Technician

If the machine fails to boot after hard resets, the BCU board or motor controller might be failing physically. Contact professional service for hardware repairs.

Device Technical Data

  • Technology: Color Laser MFP
  • Speed: 45 ppm
  • Network: Gig-E
  • Feeder: 4700-sheet capacity
  • Consumable: IM C4500 Toner Series
  • Recommended Use: Enterprise Office
  • Drivers / Firmware Support

Steps to follow

  1. 1

    Main power off

    Switch off the main power and wait for 30 seconds.

  2. 2

    Verify connections

    Ensure no cables are loose behind the unit.

  3. 3

    Restart system

    Power the unit back on and watch for normal boot-up.

Frequently asked questions

The SC670 code indicates a fault in the communication between the main controller and motor board.

Yes, it prevents the machine from entering standby mode, halting all operations.

Original IM C series toner is recommended for optimal machine life and print quality.

Using a power surge protector and scheduling annual maintenance helps avoid this error.