NEC 870 - SuperScript B/W Laser Printer Online User's Manual page 110

Chapter 9: Troubleshooting
4. Gently pull out any paper that may be caught
in the Multi-purpose or Manual feed trays.
Note: You must open the Top cover in
order to clear any paper jam. If not the red
Error light will continue to stay lit.
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5. If you have partially fed paper jammed in the
500-Sheet cassette, remove the cassette cover
and push down on the paper stack inside the
tray. Gently pull the paper straight out.