Planmeca Proline XC, Technical Manual, Page: 221 / 258

Chapter G - TROUBLESHOOTING
Planmeca Proline XC X-ray unit G-15
PROBLEMS IN RADIOGRAPHS
Technical Manual
10.3 Exposure on - no picture
10.4 Very light radiographs
10.5 Stripes on the film
SYMPTOM POSSIBLE REASON CORRECTIVE ACTION
Film unexposed Primary collimator does not let
in radiation to film.
In the developer the fixative
and developer changed places.
Film completely black Light leakages to dark room.
Film otherwise exposed.
SYMPTOM POSSIBLE REASON CORRECTIVE ACTION
Very light radiographs 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 film
combination.
SYMPTOM POSSIBLE REASON CORRECTIVE ACTION
Horizontal stripes From developing machine.
Primary collimator tilted so that
part of the film meets second-
ary collimator.
Patient has jewels, large fillings
in teeth, etc.
Vertical stripes From rolls of developing
machine.
Cassette mechanism gets tuck.
Generator working improperly.