Kyocera TASKalfa 7002i Service Manual page 1331

C9000: Main program error (DP) / Document Processor communication error
The document processor cannot be communicated.
Step Check description
1 Firmware upgrade
2 Checking the connection
3 Replacing the DP main
PWB
4 Replacing the engine PWB The engine PWB is faulty.
C9040: DP lift motor ascend error
The DF lift upper limit sensor does not detect ON when passing 1500 pulses 5 times or more while the DP lift
motor drives to ascend.
Step Check description
1 Checking the DP original
feed lift plate
2 Checking the connection
3 Replacing the DP lift motor The DP lift motor is faulty.
Assumed cause
The firmware is not the lat-
est version.
The connector is not prop-
erly connected. Or, the
wire is faulty.
The DP main PWB is
faulty.
Assumed cause
The DP original feed lift
plate is not properly
attached.
The connector is not prop-
erly connected. Or, the
wire is faulty.
7-471
Measures
Upgrade the scanner firm-
ware and the DP firmware to
the latest version.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. • DP main PWB -
Engine PWB
Replace the DP main PWB.
Replace the engine PWB.
Measures
If the DP original feed lift
plate does not move up and
down manually, repair the
part that restricts the opera-
tion.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. • DP lift motor - DP
main PWB • DP lift upper limit
sensor - DP main PWB
Execute U243 [Lift Motor]. If
the DP lift motor does not
properly operate, replace the
motor.
2WA/2NJ/2RK
Reference
Firmware
Update
Wiring dia-
gram
Detaching
and reat-
taching the
DP main
PWB
Detaching
and reat-
taching the
engine
PWB
Reference
Wiring dia-
gram
Executing
U243