Kyocera TASKalfa 7002i Service Manual page 972

Step Check description
11 Checking the MP feed sen-
sor
12 Checking the MP feed
clutch
13 Checking the connection
14 Replacing the relay PWB
15 Replacing the feed PWB
16 Replacing the engine PWB The engine PWB is faulty.
J0506/J0507: No paper feed from the paper feeder
Condition: The paper does not reach the feed pulley.Object: Paper feeder
After the PF feed clutch turns on during paper feed from the paper feeder (cassette 6, 7), the paper leading
edge does not come out from the cassette, or the PF feed sensor does not turn on.
Step Check description
1 Relocating the paper width
guides
2 Checking the pressure
spring
Assumed cause
The MP feed sensor does
not properly operate.
The MP feed clutch does
not properly operate.
The connector is not prop-
erly connected or the wire
is faulty.
The relay PWB is faulty.
The feed PWB is faulty.
Assumed cause
The locations of the paper
width guides do not fit with
the paper size.
Conveying capability of the
pickup pulley is not
enough.
7-112
Measures
Turn the MP feed sensor on
and off manually and check
the indication at U031 [MPT
Jam]. If the MP feed sensor
does not properly operate,
clean and reattach it and rein-
sert the connector. If not
repaired, replace it.
Execute U032 [MPT Feed]. If
the MP feed clutch does not
properly operate, reattach it
and reinsert the connector. If
not repaired, replace it.
Clean the terminal of the fol-
lowing wire connectors and
reinsert the connectors.
Replace the wire when it has
no continuity.• MP feed sen-
sor - Relay PWB• MP feed
clutch - Relay PWB• Relay
PWB - Feed PWB• Feed
PWB - Engine PWB
Replace the relay PWB.
Replace the feed PWB.
Replace the engine PWB.
Measures
Relocate the paper width
guides to fit them with the
paper size.
If the pressure spring of the
pickup pulley comes off, reat-
tach it. If deformed, replace it.
2WA/2NJ/2RK
Reference
Executing
U031
Executing
U032
Wiring dia-
gram
Detaching
and Reat-
taching the
engine
PWB
Reference
Detaching
and reat-
taching the
pickup pul-
ley, feed
pulley and
retard pul-
ley