TASKalfa 3500i - C6770 IH Fuser Low Power Error; Check whether Engine firmware version is after

C6770（ IH Fuser Low Power Error）
Check whether Engine firmware version is after the right Colum.
Replace Fuser unit.
NG
OK
OK
Replace IH PCB
NG
OK
OK
OK
OK
OK
Firmware Ver UP
NG
C6770
NG
Replace IH Coil Unit
OK
OK
Check connection of Fuser unit connector (right fig.)
OK
OK
NG
Check the firmware version (engine)
6500i/8000i : 2LF_1000.003.006
Increase withstanding of power noise.
If Fuser unit connector is
disconnected, C6770 occurs.
When C6770 occurs after cable of Fuser unit is
shorted and broken, while the fuser unit is kept
installing without replacing and replacing with new
IH PCB first, IH PCB will be damaged. So, replace
the IH PCB after replacing the Fuser unit.
Check the connector of Fuser Unit
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