HP CM6030 Service Manual - Page 772
Detect jams in the stacker unit
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Detect jams in the stacker unit The inlet sensor (PI33) and delivery sensor (PI34) detect the presence of paper to determine if paper is delivered properly. A jam is identified by checking whether paper is present at each sensor at the timing programmed in the memory of the microcomputer (CPU) on the stacker controller PCA. When the CPU identifies a jam, it suspends the stacker's delivery operation and informs the product. When all doors are closed after the paper jam is removed, the stacker checks whether paper is detected by the sensors (inlet sensor and delivery sensor). If the sensors detect paper, the stacker determines that paper jam is not removed and resends the message to the product. Figure 8-92 Jams in the stacker unit PI34 PI33 Detect jams in the booklet maker unit The saddle stitcher unit identifies any of the following conditions as a jam, and sends the jam signal to the product. When all doors are closed after the jam is removed, the saddle stitcher unit checks whether the vertical-path paper sensor (PI17) has detected the presence of paper. If the sensor has detected 726 Chapter 8 Output accessories and intermediate paper transfer unit (IPTU) ENWW
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