Kyocera TASKalfa 7002i Service Manual page 1014

Step Check description
9 Checking the paper
10 Checking the paper
11 Checking the paper
12 Checking the conveying
sensor
13 Checking the PF convey-
ing clutch
14 Checking the vertical con-
veying motor
15 Checking the drive parts
16 Checking the connection
17 Replacing the feed PWB
Assumed cause
Paper gets curled down-
ward or waving.
Unspecified papers are
used.
foreign objects are on the
paper.
The conveying sensor
does not properly operate.
The PF conveying clutch
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.
7-154
Measures
Fix or replace paper. If it is
difficult to replace, relocate
the leading edge with the
trailing edge of the paper to
feed or turn over the paper,
and reinstall it.
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.
Execute U247 [LCF] >
[Clutch] > [Feed1 Clutch]. If
PF conveying clutch 1 does
not properly operate, 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• PF con-
veying clutch 1 - PF main
PWB• Vertical conveying
motor - Feed PWB• PF main
PWB - Engine PWB• Feed
PWB - Engine PWB
Replace the feed PWB.
2WA/2NJ/2RK
Reference
Executing
U031
Executing
U247
Wiring dia-
gram