The film selected to monitor a given processor should be representative of the film used with that processor.

Scheduling Sensitometric Control

Every processor in use should have a separate control chart plotted to monitor its behavior. The more frequent the data points, the better the control feedback. A control film should be run at start-up of the processor and at least once a day. Use sensitometry whenever trouble is suspected, or a change has been made to the process.

Processing Procedure

1.Allow the processor temperature and chemistry to reach equilibrium when starting up the processor before processing film.

2.Films should be processed immediately after being exposed. Any delay between exposure and processing should be consistent from film to film.

3.Run a full width film for cleanup at start-up.

4.Orient the film into the processor in a consistent manner— making sure the film is inserted per processor manufacturer's specification.

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Rite Life 394, 393 manual Processing Procedure, Scheduling Sensitometric Control