Kyocera TASKalfa 7002i Service Manual page 1242

C2300: Fuser motor error
1. The ready signal is at the H level for 1s continuously during the fuser motor drive. 2. The ready signal is not
at the L level (stable rotation) when passing 2s after the fuser motor drive starts.
Step Check description
1 Checking the fuser motor
2 Checking the connection
3 Replacing the fuser unit
4 Replacing the fuser motor
5 Replacing the fuser drive
unit
6 Replacing the feed PWB
7 Firmware upgrade
8 Replacing the engine PWB The engine PWB is faulty.
Assumed cause
The fuser motor operation
is faulty.
The connector is not prop-
erly connected. Or, the
wire is faulty.
The fuser unit is faulty.
The fuser motor is faulty.
The fuser drive unit is
faulty.
The feed PWB is faulty.
The firmware is not the lat-
est version.
7-382
Measures
Execute U030 [Fuser] and
check the fuser motor opera-
tion. Check if the drive gears
rotate smoothly and have no
excessive load. Then, apply
grease to the frictional parts
and repair the parts.
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 unit.
Replace the fuser motor.
Replace the fuser drive unit.
Replace the feed PWB.
Upgrade the engine firmware
to the latest version
Replace the engine PWB.
2WA/2NJ/2RK-1
Reference
Executing
U030
Wiring dia-
gram
Detaching
and reat-
taching the
fuser unit
Detaching
and reat-
taching the
fuser drive
unit
Detaching
and reat-
taching the
fuser drive
unit
Firmware
Update
Detaching
and reat-
taching the
engine
PWB