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AcuLaser M4000 Series
User's Guide
Troubleshooting
152
Paper Jam DM (Duplex Unit’s cover)
When a paper jam occurs in the location shown in the illustration below, the
Paper Jam DM
message appears on the printer’s LCD panel.
Follow these steps to clear paper jams in the Duplex Unit’s cover.
1. Press the unlock button to unlock the hooks. Then open the cover of the Duplex Unit.