Kyocera TASKalfa 7002i Service Manual page 1121

Step Check description
5 Checking the conveying
guide
6 Checking the paper con-
veying roller
7 Checking BR conveying
sensor 2
8 Checking BR conveying
motor 1
9 Checking the drive parts
10 Checking the connection
11 Replacing the BR main
PWB
12 Replacing the engine PWB The engine PWB is faulty.
Assumed cause
The foreign objects such
as toner are on the con-
veying guide.
The paper conveying roller
does not rotate.
BR conveying sensor 2
does not properly operate.
BR conveying motor 1
does not properly operate.
The drive from BR convey-
ing motor 1 is not properly
transmitted.
The connector is not prop-
erly connected or the wire
is faulty.
The BR main PWB is
faulty.
7-261
Measures
Clean the conveying guide.
Or replace it.
If the drive gear is deformed,
bushing is scraped, replace
the conveying roller drive
parts.
Turn BR conveying sensor 2
on and off by a hand and
check the indication at U031
[Bridge2 Feed]. If BR convey-
ing sensor 2 does not prop-
erly operate, clean and
reattach it and reinsert the
connector. If not repaired,
replace it.
Execute U030 [Bridge1]. If
BR conveying motor 1 does
not properly operate, reattach
it and reinsert the connector.
If not repaired, replace it.
Check if BR conveying motor
1 smoothly rotates by a hand.
Then, clean and reattach the
drive parts if necessary. If not
repaired, replace them.
Clean the terminal of the fol-
lowing wire connectors and
reinsert the connectors.
Replace the wire when it has
no continuity.• BR conveying
sensor 2 - BR main PWB• BR
conveying motor 1 - BR main
PWB• BR main PWB -
Engine PWB
Replace the BR main PWB.
Replace the engine PWB.
2WA/2NJ/2RK
Reference
Executing
U031
U030 Exe-
cution
Wiring dia-
gram
Detaching
and Reat-
taching the
engine
PWB