Epson WorkForce Pro WP4020

Paper jam error

Occurrence Condition

This error occurs when the top/ bottom of paper cannot be detected by PE Sensor or PW Sensor within the specified steps even if the paper has been fed correctly.

Occurrence Timing

• At power-on
• During feeding paper
• During ejecting paper
• During duplex printing
• When closing the Front Cover

Remedy

1. Press the “Start” button to eject jammed paper.
   • If succeeded Print starts if there is printing data.
   • If failed The paper jam error occurs again.
2. If failed at Step 1, open the Front Cover and remove the Duplex Unit, and then remove jammed paper.
3. Press the “Start” button again.
   • If succeeded Paper is fed if there is printing data.
   • If failed The paper jam error occurs again.
4. Check the following if failed in Step 3.
   • Foreign object
   • Detached parts
   • PE Sensor Lever
   • PE Sensor
   • PW Sensor
   • Main Board
   • Paper Stopper Assy