Kyocera TASKalfa 7002i Service Manual page 1012

Step Check description
10 Checking the paper
11 Checking the paper
12 Checking the conveying
sensor
13 Checking the vertical con-
veying motor
14 Checking the drive parts
15 Checking the connection
16 Replacing the feed PWB
17 Replacing the engine PWB The engine PWB is faulty.
Assumed cause
Unspecified papers are
used.
foreign objects are on the
paper.
The conveying sensor
does not properly operate.
The vertical conveying
motor does not properly
operate.
The drive from the vertical
conveying motor is not
properly transmitted.
The connector is not prop-
erly connected or the wire
is faulty.
The feed PWB is faulty.
7-152
Measures
Explain to the user to use the
paper within the specifica-
tions.
Remove the paper with for-
eign objects.
Turn the conveying sensor on
and off by a hand and check
the indication at U031
[Feed2(Feed B)]. If the con-
veying sensor does not prop-
erly operate, clean and
reattach it and reinsert the
connector. If not repaired,
replace it.
Reattach the vertical convey-
ing motor and reinsert the
connector. If not repaired,
replace the sensor.
Check if the vertical convey-
ing motor smoothly rotates
manually. Then, clean and
reattach the drive parts if nec-
essary. 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.• Conveying
sensor - Feed PWB• Vertical
conveying motor - Feed
PWB• Feed PWB - Engine
PWB
Replace the feed PWB.
Replace the engine PWB.
2WA/2NJ/2RK
Reference
Executing
U031
Wiring dia-
gram
Detaching
and Reat-
taching the
engine
PWB