5.System Maintenance 
165 
machine has been broken. 
***Please check the machine's 
control panel to see if updating 
the firmware has already 
completed. If the firmware 
update has completed then 
restart the machine.*** 
longer able to acquire update 
progress from the machine 
because the connection between 
the machine and computer has 
been terminated. 
from the computer should not 
interrupt any ongoing update. 
Check the machine’s control 
panel to see if the update has 
completed. 
The downloaded file is 
damaged. 
Using the copy, fax, print, and 
scan functions while updating 
the firmware may damage the 
file. 
The [Firmware Update (USB)] or 
[Firmware Update (LAN)] button 
was clicked while the machine 
was faxing, printing, scanning, or 
copying. 
Wait for the current job to 
finish, disconnect any 
unnecessary cables from the 
machine, and then try again. 
The firmware file is damaged. 
Download the firmware 
package from our website 
again. 
The machine is being operated 
through the control panel. 
Cancel any operations being 
performed through the control 
panel. Put the machine into 
standby mode, and then 
perform the update again 
  There is an unsent fax in the 
machine’s memory. 
  There is a received fax 
waiting to be printed. 
  Send or delete the unsent 
fax, and then try again. 
  Print the received fax, and 
then try again. 
The [Firmware Update (USB)] or 
[Firmware Update (LAN)] button 
was clicked when the update 
was already in progress. 
Clicking the [Firmware Update 
(USB)] or [Firmware Update 
(LAN)] button during the 
update process does not 
interfere with any ongoing 
update. 
Ignore this error message and 
complete the update using the 
procedure shown in this 
manual. 
The machine is not ready. 
The USB cable is not connected. 
Make sure the USB connection 
between the machine and 
computer is secure. 
If this message persists, try