Lexmark C920 User Manual page 109

Removing small size paper from the duplex unit
When printing on both sides of A5 or other small size paper, you may need to partially remove the duplex unit to clear the
jam.
1
Turn off the printer.
2
Open the duplex unit door.
200 Paper Jam <x> Pages Jammed (Check Areas A-F, T1-5, MPF)
Clearing jams
109