Abstract - Photoreceptor Testing: Fundamentals and Practice
This report describes the functional requirements for organic photoconductors (OPCs) and the most important tests for assessing OPC performance. It demonstrates that optimal OPC performance requires supplementing the common practice of print testing with quantitative instrumental methods.
Measurement methodologies are described for critical tests such as charge acceptance, photosensitivity, cyclic fatigue, and coating uniformity, surface defects and wear. The tools discussed are essential for serious developers, manufacturers, and users of OPC drums. They include a photoconducting drum test system, an OPC coating thickness gauge and a hand-held image analysis system.
A case study of OEM and aftermarket drums illustrates how an OPC's electrophotographic characteristics affect print quality.
