Exposure On - No Picture; Very Light Radiographs; Stripes On The Film - Planmeca Proline XC Technical Manual

PROBLEMS IN RADIOGRAPHS

10.3 Exposure on - no picture

Film unexposed
Film completely black

10.4 Very light radiographs

Very light radiographs

10.5 Stripes on the film

Horizontal stripes
Vertical stripes
Technical Manual
SYMPTOM
SYMPTOM
SYMPTOM
POSSIBLE REASON
Primary collimator does not let
in radiation to film.
In the developer the fixative
and developer changed places.
Light leakages to dark room.
Film otherwise exposed.
POSSIBLE REASON
Film cassette upside down in
its holder.
Primary collimator positioned
so that the radiation beam goes
trough the secondary collima-
tor.
Secondary collimator moved.
Wrong film/intensifying
combination.
POSSIBLE REASON
From developing machine.
Primary collimator tilted so that
part of the film meets second-
ary collimator.
Patient has jewels, large fillings
in teeth, etc.
From rolls of developing
machine.
Cassette mechanism gets tuck.
Generator working improperly.
Chapter G - TROUBLESHOOTING
CORRECTIVE ACTION
CORRECTIVE ACTION
film
CORRECTIVE ACTION
Planmeca Proline XC X-ray unit G-15