2.3 Troubleshooting Without Error Messages VJ628XE-M-00
2.3.7 Problems in Using MUTOH Service Assistance 58
5 "The F/W version cannot be
downgraded to the older
version." is displayed during
firmware transfer.
Is the version of the firmware data (*.jfl) to be transferred
older than that of the printer?
Make sure that the version of the firmware data
(*.jfl) is newer than that of the printer and transfer
it again.
4.3 Working with MUTOH
Service Assistance Software
Table 2-12 Problems, Check Items, and Actions in Using MUTOH Service Assistance(Continued)
No. Symptom Check item Action Reference