Radio Shack 43-476 Owner's Manual page 43

Use the following cleaning procedure after
about every 20 hours of operation.
1. Remove the batteries and disconnect
any other power source.
2. Open the cassette compartment door.
3. Use a pointed object to gently push
the erase protection tab sensor to the
left, then press REC to expose the
tape-handling parts.
4. Use a swab dipped in tape head
cleaning solution or denatured alcohol
to gently clean the tape-handling
parts. For easier cleaning, use an
microcassette cleaner
includes a special cleaning cassette.
5. When you finish cleaning, press
STOP/EJ and close the compartment.
kit which
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