Kyocera TASKalfa 7002i Service Manual page 1075

Step Check description
9 Checking the paper
10 Checking the paper
11 Checking the paper
12 Checking the PF convey-
ing sensor
13 Checking the PF convey-
ing clutch
14 Checking the PF feed
motor
15 Checking the drive parts
16 Checking the connection
17 Replacing the PF main
PWB
Assumed cause
Paper gets curled down-
ward or waving.
Unspecified papers are
used.
foreign objects are on the
paper.
The PF conveying sensor
does not properly operate.
The PF conveying clutch
does not properly operate.
The PF feed motor does
not properly operate.
The drive from the PF feed
motor is not properly trans-
mitted.
The connector is not prop-
erly connected or the wire
is faulty.
The PF main PWB is
faulty.
7-215
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.
Reattach PF conveying sen-
sor 1 and reinsert the con-
nector. If not repaired,
replace it.
Execute U247 [SMT] >
[Clutch] > [Feed1 Clutch]. If
PF conveying clutch 1 does
not properly operate, reattach
it and reinsert the connector.
If not repaired, replace it.
Execute U247 [SMT] >
[Motor] > [On] or [Off]. If the
PF feed motor does not prop-
erly operate, reattach it and
reinsert the connector. If not
repaired, replace it.
Check if the PF feed motor is
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.• PF conveying
sensor 1 - PF main PWB• PF
conveying clutch 1 - PF main
PWB• PF feed motor - PF
main PWB• PF main PWB -
Engine PWB
Replace the PF main PWB.
2WA/2NJ/2RK
Reference
Executing
U247
Executing
U247
Wiring dia-
gram
Detaching
and reat-
taching the
PF main
PWB (Side
multi
feeder)