Oki ES 3640e MFP - Manual (Page 160)

ES3640e MFP User’s Guide
Troubleshooting - 160
Staple jams – Finisher (optional accessory)
Check Finisher, Staple Jam
When the printer unit display indicates a staple jam has occurred,
clear the jam as follows:
1. Open the Finisher front cover.
2. Turn the knob in the direction indicated until the colored
indicator appears.