Description: The product has experienced an internal hardware error.
Remedy: Turn off the power by using the power switch, wait at least 30 seconds, and then turn on the power and wait for the product to initialize. If the error persists, replace the DC controller. If the error persists, replace the product.
Code: 54.0600
Display: 54.0600
Description: Density sensor error
Remedy:
Code: 54.1200
Display: 54.1200
Description: Black density measurement abnormality