Kyocera ECOSYS P2235dw Service Manual page 284

C1820: Paper feeder communication error (PF2)
Target: Paper feeder 2
No paper feeder is detected after the paper feeder installation is detected when turning the power on.
Step Check description
1 Reinstalling the paper
feeder
2 Checking the connection
3 Replacing the PF main
PWB
4 Replacing the main/engine
PWB
C2000: Main motor steady state error
Ready signal turns off for 1s consecutively after the motor becomes stable.
Step Check description
1 Checking the drum unit
and the developer unit
2 Checking the connection
Assumed cause
The drawer connector
between the paper feeder
1 and the paper feeder 2 is
not connected properly.
The connector is not con-
nected properly or, the wire
or drawer connector is
faulty.
The PF main PWB is
faulty.
The main/engine PWB is
faulty.
Assumed cause
More load is applied to the
main motor drive caused
by the drum unit lockup.
The connector is not prop-
erly connected or the wire
is faulty.
7-77
2RV/2RW/2RX/2RY/3RA-3
Measures
Place the main unit and the
paper feeder 1 on the paper
feeder 2 so that the drawer
connectors are securely con-
nected.
Check and clean the terminal
of the following wire connec-
tors or, repair and reconnect
the connectors. If there is no
continuity or the drawer con-
nector is faulty, replace the
wire.
• PF main PWB (YC5)(PF2) -
Drawer connector
• Drawer connector - PF
main PWB (YC6)(PF1)
• PF main PWB (YC5)(PF1) -
Drawer connector
• Drawer connector - Main/
engine PWB (YC17)
Replace the PF main PWB.
Replace the main/engine
PWB.
Measures
Check if the drum smoothly
rotates manually and if
locked, replace the drum unit.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire.
• Main motor - Main/engine
PWB (YC9)
Reference
Reference