HP Color LaserJet 9500 Service Manual - Page 66
Stapler/stacker bin full condition
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Note Stapler/stacker bin full condition The stapler bin signals a "full" condition when either of these conditions exist: ● Approximately 3,000 sheets of letter/A4 have been collected in the stapler bin ● Approximately 1,500 sheets of ledger/A3 have been collected in the stapler bin A full-bin condition is signaled when the stapler bin contains 15 kg (33 lb) of paper. Full bin-Optical sensors detect the presence of paper and the full-ministack condition. The stapler bin accepts paper until a full-ministack condition (up to 70 sheets of paper) is detected. The stapler bin then receives a signal to descend and then continue accepting paper. This cycle is repeated several times, until the stapler bin activates the full-bin microswitch that is located at the bottom of the unit. This microswitch indicates a full-bin condition when using letter/A4 or equivalent paper. Overload-Optical sensors detect the presence of paper and the full-ministack condition. The stapler bin accepts paper until a full-ministack condition (up to 70 sheets of paper) is detected. The stapler bin then receives a signal to descend and then continue accepting paper. When using ledger/A3 or equivalent paper, the overload microswitch is activated when the full-bin condition exists and the weight of the paper stack reaches 15 kg (33 lb). Full-ministack sensor Presence-ofpaper sensor Stapler-bin-movement route for 1,500 sheets Stapler-bin-movement route for 3,000 sheets Bin-full microswitch Bin-overload microswitch Stapler bin Figure 29. Stapler-bin-full condition 64 Theory of operation ENWW