Appendix

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 imageFlange focal distance is incorrectly set, lens is incorrectly set,

poor quality or defective lens, film gate is not properly locked into position

When cleaning or exchanging the film gate ensure that the surfaces are absolutely clean, check the lens and the flange focal distance

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