Density 15%, 50%, 85%
Replenisher quantities for developer and fixer are calculated according
to a formula based on the preset value, the area of the material (width
x length), the percentage density, and the replenisher information (cc.
per square meter). This last information is listed on the material box
or in documentation provided by the media manufacturer. The formu-
las are as follows:
Devel. Repl. = (cc. / meters
2
) x meters
2
x (Density / 50%).
Fixer Repl. = (cc. / meters
2
) x meters
2
x (100% - Density) / 50%.
50% is the default value whenever the processor is turned on. The
replenishment quantity is based on a 50% density and the following
formulas are stored in the microcomputer:
DENSITY DEVEL. FIXER
15% 0.3 x calc. value 1.7 x calc. value
50% Calculated value Calculated value
85% 1.7 x calc. value 0.3 x calc. value
Avantra 20/25 OLP: Processor Operation
•
9–19
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