Dell 5310n Mono Laser Printer - Manual (Page 23)

6. Lower the envelope weight.
7. Press the Select button .
27x Paper Jam Check Bin x
To clear a jam in the output expander:
1. If the paper is exiting into the bin, pull the media straight out, and press the Select button . Otherwise, continue with step 2 .
2. Push the output bin rear door latches in toward the center. The rear doors will open and drop down.
NOTE: If you only have one output option, you may only have one rear door.