Service manual
Firmware Update
SM 5-3 M145/M146/M147/M148/M149/M150/M151
System
Maintenance
Reference
7. Specify the location of the DWN file, and then click [Open].
8. A message will alert you if you select the wrong file (file format is incorrect). Click "OK" button
in the error message makes it go back to Printer Firmware Update dialog (step 6).
SOM display (Example: M135)
On update