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4.
TROUBLESHOOTING
If no yellow tab appears when you pull the white tab: Stop! Do not pull another
white tab. Instead, carefully open the proofing back in dim light without disturbing
the film pack. Use your finger to make sure the pack does not move.
Take hold of the yellow tab that failed to come out, gently pull it all the way
out of the back and discard. While the back is open, clean the developer
roller and the slot for the yellow tab if necessary. Close and latch the door
with the next white tab extending outside.
5. CLEANING THE DEVELOPER ROLLERS
With both hands, lift the steel loops and remove the roller assembly. Clean
both rollers with a soft, lint-free cloth, dampened with water if necessary, or
hold the roller assembly under running water. As you clean, rotate both rollers
and inspect them. (Note: one roller turns more easily than the other does).
Blow out any dust or lint in the film chamber. Also clean the slot for the yellow tab. To
replace the roller assembly, slide the rollers into position and. using both hands, press the
steel loops down flat.
6.FILM PROBLEMS
Repeated white marks.
These are caused by dirt on the steel rollers. Inspect the rollers thoroughly
before loading film and clean as necessary.
Curtain-shaped mark or broad streak.
If you start to pull the yd low tab and then stop or hesitate, a curtain-shaped
mark will appear. Always pull the yellow tab out in one smooth continuous
motion.
Oblongs in print.
This indicates that you did not pull the white tab all the way out. When you then
pulled the yellow tab, the whites tab retracted into the proofing back, spoiling the
picture. Always pull the white tab all the way out.
Undeveloped edges or corners.
Pulling the yellow tab out at an angle usually causes these. This prevents the
developer from being spread evenly. Always pull the yellows tab straight out.