ARRI ARRIFLEX 235 manual 157

(above and below)		Check the loop length of the magazine	Appendix
Problem	Cause	Remedy
Scratches on the emulsion side of the negative
In the image area,	Dirty or damaged cross bars	Clean or, if defective, replace the film gate
over several frames	on the film gate
In the image area,	Upper or lower film loop too long,	Check the position of the upper loop
short and periodically recurring	film touches inside of camera housing	in relation to the marking
Outside the image area	Dirty or damaged longitudinal bars	Carefully clean film gate and magazine throat
	on the film gate	or,
	or film running surfaces in the magazine throat	if defective, replace
Scratches on the glossy side of the negative
In the image area	Dirty or damaged film track	Clean film track (movement) and spacer gate or,
	or spacer gate	if defective, replace
Outside the image area	Dirty or damaged longitidinal bars	Carefully clean longitudinal bars and
	on the film track	magazine throat or, if defective, replace
	or film running surfaces in the magazine throat
Scratching in general	Strong tendency of raw film stock to build up	Complain to the manufacturer of the film stock,
	emulsion, dust on raw stock from perforation	use different film stock
	process, extreme temperatures,
	scratched raw stock

157