Just clean with a Q-tip and that's all.
Cleaning tape is usefull.

a écrit le 09/01/2019 Ã* 17:07Â*:
On Wednesday, August 2, 2000 at 3:00:00 AM UTC-4, GHilgenber wrote:
I have a ford ranger and the cassette player has a lot of static the radio
plays fine.I have demagnetizer and cleaning tapes I was thinking of using
acetone on the heads?
Use a cleaning tape or the like . Chemicals and liquids can harm rollers and other plastic / rubber parts . Alcohol will dry out the oils in plastics and rubber , causing them to harden . Acetone will tend to dissolve these materials .