Lexmark MX811
Notes:
1
Staple access door
2
Duplex unit
3
Trays
4
Staple finisher rear door
5
Lower rear door
6
Upper rear door
7
Mailbox
8
Multipurpose feeder
9
Front cover
10
Standard bin
11
Automatic document feeder (ADF)
Identifying Causes of Paper Jams in the Hole Punch Unit (HPU)
The printer posts a 230.03 paper jam error with the paper stopping at the rear door. See this article for troubleshooting steps.