HP Color LaserJet CM6030CM6040 Multifunction Printer series - Manual (Page 265)

Clear jams in the sorter area
1. Lift the latch on the top cover of the finishing device, and open the top cover.
NOTE: Opening the top cover releases pressure on the output-bin rollers.
2. Remove jammed paper from the output bin or from the inside of the finishing device.
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ENWW Jams 249