![](/images/backgrounds/156092/156092-339240x1.png)
Note:
Insert the cartridge with the arrow mark on the top of the imaging cartridge facing toward Cover A.
9. Close Cover A until it clicks shut.
Jam DM (Cover DM)When a paper jam occurs in the location shown in the illustration below, the Jam DM message appears on the printer’s LCD panel.
Follow these steps to clear paper jams in the Duplex Unit’s cover.
240Troubleshooting