Field Service Manual December 2003
Page 267 of 276
Grey-black lines-districts on film.
► Shutter correct working and adjusted
► Too much restlight.
‼ Reduce restlight by cleaning the optic with aceton. Specially the
modulator.
► Check also developer
Film accuracy
►Film may not stay on cold or hot surfaces before or after exposing.
►When plotter room and room with measuring table is not in the same
building, be sure temperature and humidity is the same and stable.
► When the films are shipped for measuring, do not roll up the films but keep
them flat.
►If a measuring table is used be sure the table is correct.
► Are the films good?
► Check chapter “Testjobs – Film3&4 Geometric Accuracy check”
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