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7.2
Possible faults
Problem
Thick/thin sections
The sections alternate between
being thick and thin, or there
is chattering in the sections,
or the specimen is torn out of
the embedding. In extreme
cases, there are no sections
whatsoever.
HistoCore AUTOCUT
Possible cause
• The blade, knife holder or
orientation is not clamped
properly.
• The specimen is not clamped
properly.
Troubleshooting
Corrective action
• Reclamp the blade, knife
holders or orientation.
• Check that the cassette is
securely clamped in the
universal cassette clamp.
• If the universal cassette clamp
is soiled by paraffin, clean
the universal cassette clamp
(→ P. 109 – 8.1 Cleaning the
instrument).
• When using cassettes whose
lid is molded on, check that
the broken edge allows the
cassette to be clamped
securely; if necessary, remove
burrs or clamp the cassette
into the universal cassette
clamp horizontally instead of
vertically.
• If the cassette dimensions are
within the specified tolerances
and the cassette still cannot
be securely clamped into
place, it may be that the
universal cassette clamp is
configured incorrectly or is
defective. In this case, have
Technical Service inspect
and reconfigure the universal
cassette clamp.
7
103
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