Konica Minolta SRX-101A Service Manual page 46

TROUBLE SHOOTING
5-4. Trouble Caused by Improper Film Handling
PROBLEM
Fogging • A certain portion of the film is
being blackened.
(This is occurring in the same
spot on a large number
of sheets.)
• Circular density unevenness.
• Traces or shadows of objects
have been transferred onto
the film.
• Fogging damage to every sheet • The film is being stored under
of film being processed.
Static • Certain patterns shaped like
electricity a branch, dot or clouded are
marking on the film.
SERVICE MANUAL
43
SYMPTOM
• Improper light shielding of
stored film (due to torn
wrapping), a film casette
and the other facilities.
• Gas fogging due to sulfurous
gas,etc. when docked with other
equipment.
• Fogging due to light from
the photoelectric sensors.
• Radiation material is attached
to the film packaging.
• Improper light shielding.
• Fogging due to long term
exposure to a safety light
whose intensity is not suited
to the level of film sensitivity.
• Fogging by radiation.
excessive temperature or
humidity condition.
• Fogging due to gas from
painted surface in the film
storage facilities.
• Safelight fogging.
• The film has been past over
the expiration date.
• The film is being exposed by
a source of static electricity.
• The temperature around the
processor is too low.
• Film sensitive to electrical
charge is being used.
• The film is being affected
by friction during handling.
• The equipment is being
electrically charged.
• The screen is being electrically
charged.
CAUSE
• Checking and repair.
• Adjust the photoelectric detection
system.
• Checking and repair.
• Use a safety light that is compatible
with the film and strictly follow all
precautions for its use.
• Properly shield the equipment from
radiation.
• Store the film in a well air conditioned
and ventilated facilities.
• Check the room air exhaust conditions.
• Use film based on a consuming plan.
• Use a humidifier to correct dry, low
humidity conditions around
the processor.
• Use anti-static cleaners.
RESPONSE