Epson WorkForce WF7620
Troubleshooting. 2. Error is indicated during power-on sequence 7
Cover open error
Occurrence Condition
This error occurs when Scanner Unit (Printer Cover) is open.
Major Occurrence Timing
• At power-on
• During printing
Major Troubleshooting
• Close Scanner Unit (Printer Cover) replacement
• Scanner Unit (Printer Cover) replacement
• Cover Open Sensor replacement
• Main Board replacement