5.System Maintenance 
167 
minute following a firmware update. 
Control Panel Indicator Patterns (Only for Four-line LCD Models) 
The indicators of the control panel show the machine’s status during and after firmware updates. If an 
update fails or does not complete normally, refer to the following table to resolve the problem. 
The Alert and Data in 
indicators light up 
simultaneously 
If the Alert and Data in indicators light up 
simultaneously after you turn the machine’s power 
back on following a firmware update, the update 
did not complete due to a power failure or similar 
interruption. 
Refer to "If 
Initialization Does Not 
End Following a 
Firmware Update".