Kyocera ECOSYS P2235dw Service Manual page 251

J0502/J0503: Cassette no feed
Condition: The sensor detection is unstable.
When feeding from cassette 2,3, the paper leading edge reaches the PF feed sensor but it does not turn on
after the PF feed clutch turns on.
Step Check description
1 Checking the connection
2 Checking the PF feed sen-
sor
3 Replacing the PF main
PWB
4 Replacing the main/engine
PWB
J0508: No paper feed from the duplex section
Condition: Paper is damaged (Paper is caught up, the paper conveying force is
lowered or paper slips).
When feeding from duplex section, the registration sensor does not turn on after the exit solenoid turns on
(after paper switches back).
Step Check description
1 Performing the prior stan-
dard check items
Assumed cause
The connector is not prop-
erly connected or the wire
is faulty.
The PF feed sensor does
not operate properly.
The PF main PWB is
faulty.
The main/engine PWB is
faulty.
Assumed cause
There is a mechanical
cause such as the dirty
guide, etc.
7-44
2RV/2RW/2RX/2RY/3RA-3
Measures
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire.
• PF feed sensor - PF main
PWB (YC7)
• PF main PWB (YC5)(PF2) -
Drawer connector (at J0503
jam)
• Drawer connector - PF main
PWB (YC6)(PF1) (at J0503
jam)
• PF main PWB (YC5)(PF1) -
Drawer connector
• Drawer connector - Main/
engine PWB (YC17)
Reattach the PF feed sensor
and reconnect the connector.
If not repaired, replace it.
Replace the PF main PWB.
Replace the main/engine
PWB.
Measures
Perform the prior standard
check items.
Reference
Reference