Kyocera TASKalfa 7002i Service Manual page 1018

Step Check description
11 Checking the conveying
sensor
12 Checking the PF convey-
ing clutch
13 Checking the vertical con-
veying motor
14 Checking the drive parts
15 Checking the connection
16 Replacing the PF main
PWB
17 Replacing the feed PWB
18 Replacing the engine PWB The engine PWB is faulty.
Assumed cause
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 PF main PWB is
faulty.
The feed PWB is faulty.
7-158
Measures
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 PF main PWB.
Replace the feed PWB.
Replace the engine PWB.
2WA/2NJ/2RK
Reference
Executing
U031
Executing
U247
Wiring dia-
gram
Detaching
and reat-
taching the
PF main
PWB
Detaching
and Reat-
taching the
engine
PWB