Patent ID: 7551861

Claim:
A method for testing a film loop of a print engine, the film loop having a plurality of virtual image frames, the method comprising the steps of: scheduling a print job from a queue, said print job having a plurality of print job images; receiving a quality check request from an operator; scheduling a plurality of quality check images between two of said print job images responsive to said request, said quality check images each corresponding to a respective one of the virtual image frames of the film loop, said quality check images being additional to said print job; writing a toner image of each of said print job images and each of said quality check images on said film loop in accordance with said scheduling, wherein said toner images of said quality check images are each written on the corresponding said virtual film frame of said film loop; printing said toner images of each of said print job images and of said quality check image to individual receivers to provide both a plurality of print job receivers having respective said print job images and a quality check receiver having said quality check image, said printing to said receivers being in accordance with said print job and said scheduling; examining said quality check image and identifying any defective virtual image frames; and continuing printing said print job on said film loop around any defective virtual image frames to print at maximum efficiency.