Kyocera TASKalfa 7002i Service Manual page 1281

C6760: Fuser IH input excessive electric current error
The input current of the IH PWB is 20A or more (120V) / 10A or more (220-240V) for 100ms continuously.
Step Check description
1 Checking the fuser unit
2 Checking the connection
3 Firmware upgrade
4 Replacing the IH PWB
5 Replacing the IH unit
6 Replacing the engine PWB The engine PWB is faulty.
Assumed cause
The fuser belt is faulty.
The connector is not prop-
erly connected. Or, the
wire is faulty.
The firmware is not the lat-
est version.
The IH PWB is faulty.
The IH unit is faulty.
7-421
Measures
Detach the fuser unit and
check if the fuser belt is not
faulty. If there is any damage,
replace the fuser unit.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. • IH unit - IH PWB?•
IH PWB - Engine PWB
Upgrade the engine firmware
to the latest version
Replace the IH PWB.
Replace the IH unit.
Replace the engine PWB.
2WA/2NJ/2RK
Reference
Detaching
and reat-
taching the
fuser unit
Wiring dia-
gram
Firmware
Update
Detaching
and reat-
taching the
fuser IH
PWB
Detaching
and reat-
taching the
IH unit
Detaching
and reat-
taching the
engine
PWB