Abstract
An experiment was run to assess two different versions of instructions for clearing stoppages on a KODAK EKTAPRINT Copier-Duplicator. One group of operators used a prose version (P) and a second group used a flowchart version (F). Performance of operators clearing stoppages was measured and subjective ratings of the instructions were obtained. Performance results showed that the F was quicker, but the P group had fewer errors. Subjective ratings showed F was preferred to P. No other subjective differences were found. Since neither version was adequate by itself, specific operator errors identified during clearance trials served as basic data for reducing clearance complexity by reallocating some clearance steps from operator to machine. Trade test results showed that the improved approach was satisfactory.
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