158158
Problem Cause Remedy
Unsteady Image
Vertical Heavy emulsion build-up in the film gate area, Clean film gate area,
damaged film perforation, use different film stock
very poor gliding ability
of the raw film stock,
film stock with positive perforation,
dimensions of raw stock not within tolerance
Horizontal Heavy emulsion build-up in the film gate area, Clean film gate area,
film edge is not straight use different film stock
Pressure exposures Mechanical stress Pressure exposures do not effect
arround perforation holes on the perforation holes the image steadiness
Image Problems
Blurred image Flange focal distance is incorrectly set, When cleaning or exchanging the film gate
lens is incorrectly set, ensure that the surfaces are absolutely clean,
poor quality or defective lens, check the lens and the flange focal distance
film gate is not properly locked
into position
Appendix