Kyocera TASKalfa 7002i Service Manual page 1234

Step Check description
5 Replacing the engine PWB The engine PWB is faulty.
C1810: Side Multi Feeder communication error
The communication error was detected 10 times continuously.
Step Check description
1 Checking the connection
2 Checking the connection
3 Firmware upgrade
4 Replacing the PF main
PWB
5 Replacing the engine PWB The engine PWB is faulty.
C1820: Side Feeder communication error
The communication error was detected 10 times continuously.
Step Check description
1 Checking the connection
Assumed cause
Assumed cause
It is not properly connected
to the main unit.
The connector is not prop-
erly connected. Or, the
wire is faulty.
The firmware is not the lat-
est version.
The PF main PWB is
faulty.
Assumed cause
It is not properly connected
to the main unit.
7-374
Measures
Replace the engine PWB.
Measures
Reconnect the cable of the
side multi feeder to the main
unit.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. • PF main PWB -
Engine PWB
Upgrade the engine firmware
and the side multi feeder firm-
ware to the latest version.
Replace the PF main PWB.
(Side multi feeder)
Replace the engine PWB.
Measures
Reconnect the cable of the
side feeder to the main unit.
2WA/2NJ/2RK
Reference
Detaching
and reat-
taching the
engine
PWB
Reference
Wiring dia-
gram
Firmware
Update
Detaching
and reat-
taching the
PF main
PWB (Side
multi
feeder)
Detaching
and reat-
taching the
engine
PWB
Reference