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EPSON AcuLaser C4000  Quick Reference
Jam B (cover B)
When there is paper jammed at the duplex 
unit, the LCD panel displays the Jam B error 
message.
Follow these steps to clear the jammed 
paper.
1. Press the latch on cover B and open the 
cover.
2. Gently remove any jammed or crumpled 
paper.
Note:
❏ Be sure to remove the jammed paper by 
pulling it upward.
❏ If paper is torn, be sure to remove all torn 
pieces.
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Warning:
Do not touch the fuser, which is 
marked CAUTION HIGH 
TEMPERATURE, or the surrounding 
areas. If the printer has been in use, 
the fuser and the surrounding areas 
may be very hot.
3. Close cover B.
When the paper jam is cleared completely 
and cover B is closed, printing resumes from 
the page that jammed.