Kyocera TASKalfa 7002i Service Manual page 1320

C8330: BF blade motor error
Object: 4000-sheet finisher + Folding unit
The BF blade sensor does not turn on after passing 3s during the initial operation.
Step Check description
1 Checking the BF blade
2 Checking the BF blade
drive components
3 Checking the connection
4 Replacing the BF blade
motor
5 Checking the BF blade
sensor
6 Replacing the BF main
PWB
Assumed cause
The BF blade is not
assembled properly.
The BF blade drive parts
are not properly attached
or faulty.
The connector is not prop-
erly connected. Or, the
wire is faulty.
The BF blade motor is
faulty.
The BF blade sensor is
faulty.
The BF main PWB is
faulty.
7-460
Measures
If the BF blade is not oper-
ated manually, repair the part
that restricts the operation.
Reattach the BF blade drive
parts. If not repaired, replace
them.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. • BF blade motor -
BF main PWB • BF blade
sensor - BF main PWB
Execute U240 [Booklet] >
[Blade]. If the BF blade motor
does not properly operate,
replace it.
Reattach the BF blade sen-
sor and reinsert the connec-
tor. Next, execute U241
[Booklet] > [Blade HP]. If it
does not properly operate,
replace the sensor.
Replace the BF main PWB.
2WA/2NJ/2RK
Reference
Wiring dia-
gram
Executing
U240
Executing
U241