Epson WorkForce Pro WPM4520
Troubleshooting. Paper length mismatch error for duplex printing
Error is indicated during printing nozzle check pattern.
Occurrence Condition
This error occurs when actual paper size is not matched to theoretical one (both shorter and longer).
Occurrence Timing
- During auto duplex printing
- During receiving FAX data*
Remedy
- Replace PE Sensor Lever
- Replace PE Sensor
- Replace PW Sensor
- Replace Main Board
WP-M4595/4525/4521 only