Kyocera TASKalfa 7002i Service Manual page 995

Step Check description
9 Checking the paper
10 Checking the paper
11 Checking the paper
12 Checking the middle sen-
sor
13 Checking the paper feed
clutch
14 Checking the paper feed
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 middle sensor does
not properly operate.
The paper feed clutch
does not operate properly.
The feed motor does not
properly operate.
The drive from the feed
motor is not properly trans-
mitted.
The connector is not prop-
erly connected or the wire
is faulty.
The feed PWB is faulty.
7-135
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 middle sensor on
and off by a hand and check
the indication at U031
[Feed1(Mid)]. If the middle
sensor does not properly
operate, clean and reattach it
and reinsert the connector. If
not repaired, replace it.
Execute U032 [Feed1] or
[Feed2]. If feed clutch 1or 2
does not properly operate,
reattach it and reinsert the
connector. If not repaired,
replace the clutch.
Execute U030 [Feed]. If the
feed motor does not properly
operate, reattach it and rein-
sert the connector. If not
repaired, replace it.
Check if the feed motor
smoothly rotates manually.
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.• Middle sensor
- Feed PWB• Feed clutch 1, 2
- Feed PWB• Feed motor -
Feed PWB• Feed PWB -
Engine PWB
Replace the feed PWB.
2WA/2NJ/2RK
Reference
Executing
U031
Executing
U032
U030 Exe-
cution
Wiring dia-
gram