Checks / troubleshooting:
Check the connection between the printer and
computer.

Recommended actions:
After checking, reinstall the F/W.
Retransfer the F/W.
After solving the problem, retransfer the F/W.
1. Retransfer the F/W.
2. If this does not solve the problem, check if
the transferred F/W was the correct file.
After checking, retransfer the data.
After checking, reinstall the F/W.