Kyocera TASKalfa 7002i Service Manual page 1277

C6600: Fuser belt rotation error
The belt rotation pulse is not input for 1.8s continuously.
Step Check description
1 Reinstalling the fuser unit
2 Checking the connection
3 Replacing the fuser unit
4 Applying the grease
5 Checking the connection
6 Replacing the fuser drive
gear
7 Replacing the fuser motor
8 Firmware upgrade
9 Replacing the engine PWB The engine PWB is faulty.
10 Replacing the feed PWB
Assumed cause
The fuser unit is not prop-
erly installed.
The connector is not prop-
erly connected. Or, the
wire is faulty.
The fuser unit compo-
nents such as the fuser
belt, belt rotation detection
mechanism or fuser belt
sensor are faulty.
The load increases due to
the lack of grease on the
bushing or the gears for
the fuser motor.
The connector is not prop-
erly connected. Or, the
wire is faulty.
The fuser drive gear is
faulty.
The fuser motor is faulty.
The firmware is not the lat-
est version.
The feed PWB is faulty.
7-417
Measures
Check if the fuser rollers
rotate manually. After check-
ing it, reinstall the fuser unit
while paying attention to the
drive gears engagements.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. • Connector of the
fuser unit - Engine PWB
Replace the fuser unit.
Execute U030 [Fuser] and
check the fuser motor opera-
tion. If the motor does not
smoothly rotate, apply grease
to the bushing and the gears.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. • Fuser motor -
Feed PWB • Feed PWB -
Engine PWB
Replace the fuser drive gear.
Replace the fuser motor.
Upgrade the engine firmware
to the latest version
Replace the engine PWB.
Replace the feed PWB.
2WA/2NJ/2RK
Reference
Detaching
and reat-
taching the
fuser unit
Wiring dia-
gram
Detaching
and reat-
taching the
fuser unit
Executing
U030
Wiring dia-
gram
Detaching
and reat-
taching the
fuser drive
unit
Firmware
Update
Detaching
and reat-
taching the
engine
PWB