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C41 minilabs won't generally let you in normal use. The Fuji machines won't allow you to put the replenisher cartridge in backwards due to mechanical blocks (po
by philpem 7y ago
C41 minilabs won't generally let you in normal use. The Fuji machines won't allow you to put the replenisher cartridge in backwards due to mechanical blocks (poka-yoke).
The only way you could pull this off is mixing up the chemistry during a dump-and-fill (chemistry restart).
- Broken_Hippo 7y agoThe Fuji machines might not have had this option, but the Kodak machines I worked with could all be filled with the wrong chemicals. This was fine if you filled once a day and did all of the daily tests: it wasn't so wonderful when they switched to fill-as-needed or if a new person got mixed up. It didn't really improve when the place I worked upgraded their machines: The chemicals mixed differently, but you could still mess up developing film. The digital film scanning was pretty nice, though.