Question:
I have an Electric knife sharpener manufacturer is Chef’s Choice. Can I use to sharpen both Parve and Fleishig knives?
Answer:
Yes you can, just make sure that they are very clean when you sharpen them.
Sources:
Mordechai brought in Beis Yosef Y:D 122-9, Pischei Halacha – Kashrus pg. 354.