HP laserjet 3390, 3392 all-in-one Instruction De Maintenance

Page de 368
4.
Push down on the green lever on the duplex assembly.
Figure 6-24
  Jams in the duplex path (4 of 10)
5.
With both hands, grasp the portion of the media that is the most visible (this includes the middle),
and carefully pull it free from the all-in-one.
Figure 6-25
  Jams in the duplex path (5 of 10)
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Chapter 6   Troubleshooting
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