Canon T 90 - Manual (Page 185)

(3) To clean the film chamber:
The film chamber also requires occasional
cleaning with a blower brush to remove ac­
cumulated film dust particles which might
scratch the film.
(4) To clean the film pressure plate and the film
guide rails:
Lightly wipe the surface with a cleaning
tissue moistened with cleaning fluid
PRECAUTIONS
• Be careful NEVER to touch the shutter
curtain.
• After using the camera on a beach, clean it
thoroughly. Salt and sand are your T90’s
worst enemies.
• Aerosol spray dust removers are not .recom­
mended for the shutter curtain area If used,
hold the can at least 20 cm (8 inches) away
from the curtain.
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