Blot the ink gently with a clean white cloth
Test rubbing alcohol on a hidden spot first
Dampen a cotton ball or cloth with rubbing alcohol
Dab the pen mark lightly, do not rub
Switch to a clean part of the cloth as the ink lifts
Repeat until the stain fades
Blot with a cloth dampened with water
Dry the area with a clean towel
Use a small amount of mild dish soap and water if needed
For stubborn marks, use a fabric-safe upholstery cleaner
Let the couch air dry completely
Vacuum the area if the fabric looks rough after drying