Kyocera Ecosys P2235dw

2RV/2RW/2RX/2RY/3RA-3
7-81
C4201: Laser error
Laser cannot be received for 1s after starting laser emission.
C6000: Broken fuser heater
1. During warm-up, the temperature detected by the thermopile does not reach 100°C/212°F even if the fuser
heater is turned on for 10s consecutively. 2. During warm-up, the temperature detected by the thermopile
does not reach Ready temperature even passing 30s after the temperature detected by the thermopile
reached 60°C/140°F.
Step Check description Assumed cause Measures Reference
1 Checking the connection The FFC terminal is not
properly connected or
faulty.
Reconnect the following FFC.
If the FFC terminal is peeled,
deformed or broken, replace
it.
• LSU (APC PWB) - Main/
engine PWB (YC505)
2 Checking the LSU The laser diode is faulty. Reattach the LSU while tak-
ing care of static electricity. If
not repaired, replace it.
3 Replacing the main/engine
PWB
The main/engine PWB is
faulty.
Replace the main/engine
PWB.
Step Check description Assumed cause Measures Reference
1 Removing a piece of paper A piece of paper resides in
the fuser unit and the ther-
mopile cannot detect tem-
perature properly.
Remove a piece of paper
remaining in the fuser unit.
2 Checking the connection The connector is not prop-
erly connected or the wire
is faulty.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire.
• Fuser unit - Main/engine
PWB (YC19)
• Low voltage PWB (YC103)
- Main/engine PWB (YC20)
3 Replacing the fuser unit The fuser heater is broken. Replace the fuser unit.
4 Replacing the low voltage
PWB.
The low voltage PWB is
faulty.
Replace the low voltage
PWB.
5 Replacing the main/engine
PWB
The main/engine PWB is
faulty.
Replace the main/engine
PWB.