CL-NX Error Message 1135 (Unsupported Option Error) Nobutaka Kobayashi 16 May 2026 09:56 Updated When there is an error with the product, the error message appears on the screen. Check the cause and countermeasure, and then take appropriate action. To clear the error: Power off the product. Cause and Countermeasure Reference Cause An unsupported optional device is installed. Countermeasure Power off the product, and then remove the optional device. Powering On/Off the Product Optional Devices [01-01432-EN]
