Unplug the clippers and remove the blade set
Brush out all hair and debris from the blades
Wash the blades with blade cleaner or isopropyl alcohol
Dry the blades completely
Inspect the blades for chips, rust, or heavy wear
Separate the moving blade from the stationary blade
Mark the blade edge so you can track the sharpening surface
Use a fine sharpening stone, diamond stone, or sharpening plate
Hold the blade at the original factory angle
Move the blade evenly across the sharpening surface
Sharpen both cutting edges with consistent pressure
Keep the stroke count equal on both sides
Remove burrs with a finer stone or honing surface
Clean the blades again to remove metal dust
Apply a few drops of clipper oil to the blade
Reassemble the blades in the correct alignment
Tighten the screws securely but not overly tight
Test the clippers on a small section of hair or a test material
Adjust blade alignment if cutting is uneven
Replace the blades if they are too damaged to sharpen