Kyocera TASKalfa 7002i Service Manual page 1238

Step Check description
4 Replacing the PF main
PWB
5 Replacing the engine PWB The engine PWB is faulty.
C1910: Side Multi Feeder EEPROM error
The writing data and the reading data mismatch 3 times continuously when writing.
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.
Assumed cause
The PF main PWB is
faulty.
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.
7-378
Measures
Replace the PF main PWB.
(Side multi feeder)
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 (Cable from the
Side Multi Feeder)
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.
2WA/2NJ/2RK
Reference
Detaching
and reat-
taching the
PF main
PWB (Side
multi
feeder)
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