Maintenance box mismatch error

Error code
  • 034874 Maintenance box mismatch error
Occurrence condition
  • The product was started in normal mode with a maintenance box for service installed.
Assumed cause
  • The product was started in normal mode with a maintenance box for service installed.
Related parts
  • Maintenance box for normal use
  • Maintenance box for service
Troubleshooting
Step Confirmation and action YES NO
1

Check the type of the Maintenance box

Was the product started in normal mode with a maintenance box for service installed?

Was the product started in service support mode with a normal maintenance box installed?

[Part(s) to be checked]

  • Maintenance box
 Go to step 2

Contact Epson local service representatives.
2

Start the product in service support mode, and then install a maintenance box for service.

Or, start the product in normal mode, and then install a normal maintenance box.

  • Is the error resolved?
 End Contact Epson local service representatives.