and demagnetize than those
of
a
toploading
cassette machine, because
access
to
the
rear-facing
heads
must
be made
through
the
front-facing
opening. Therefore,
you
may
find
it
more
con-
venient
to
obtain
a
few
special
tools
to
aid
inspection and cleaning.
On
your
trip
to
the
pharmacy
to
buy
alcohol and
cotton
swabs, also
buy
an inspection
mirror
(the
kind
the
dentists use) and an inexpensive
hemostat.
The
mirror
can be used
for
inspecting
the head surfaces and
the
rubber
pinch roller.
The
pinch
roller
in
the
cassette mechanism
provides a simple, visual
indication
of
when
to
clean
the
heads.
If
you
can
see
a stripe
of
brown
oxide
around
the
perimeter
of
the
pinch
roller,
it
is
time
to
clean
the
entire
tape path .
The
hemostat can be used
to
hold
the
cotton
swab
while
cleaning. If the swab is made
of
wood,
you
may wish
to
break
it
in
half
to
provide
more
room.
Tape heads and guides also become magnetized
after
a
period
of
use. When
this
occurs
they
cause
excessive noise and can even
partially
erase
the
tape.
The
tape heads and guides should be
demagnetized
periodically
(about
every nine
hours
of
playing
time)
with
a demagnetizer.
The
demagnetizer should be
of
the same design as
those used
with
8-track
tape cartridge players -
that
is,
the
type
with
a long, slender demagnetiz-
ing element
bent
at an angle near
the
end.
I
nstructions
are enclosed
with
the
demagnetizer.
CAUTION:
BEFORE USING THE DEIVIAGNE-
TIZER,
TURN
OFF
THE POWER
TO THE MODEL 5220.
11
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