Kyocera TASKalfa 7002i Service Manual page 1333

C9060: DP EEPROM error
Read data and write data to the EEPROM do not match 3 times continuously.
Step Check description
1 Checking the EEPROM
2 Replacing the DP main
PWB
3 Replacing the EEPROM
C9070: DP - SHD communication error
The communication error between the DP main PWB and the DPSHD PWB was detected during communica-
tion.
Step Check description
1 Checking the connection
2 Replacing the DPSHD
PWB
3 Replacing the DP main
PWB
C9080: LED failure detection
After 4 blocks of the LED lamps of the DPCIS are lit when turning the power on, the acquired peak value of
some blocks is at the reference value or less. (The light level detected by the CIS is not enough.)
Step Check description
1 Checking the LED lamp
2 Checking the DPSHD
PWB
Assumed cause
The EEPROM is not prop-
erly installed.
The DP main PWB is
faulty.
The EEPROM is faulty.
Assumed cause
The connector is not prop-
erly connected. Or, the
wire is faulty.
The DPSHD PWB is faulty. Replace the DPSHD PWB.
The DP main PWB is
faulty.
Assumed cause
The LED lamp of the
DPCIS does not light.
The DPSHD PWB is not
properly connected.
7-473
Measures
Reattach the EEPROM on
the DP main PWB.
Replace the DP main PWB.
Replace the EEPROM on the
DP main PWB and execute
U411.
Measures
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. • DPSHD PWB -
DP main PWB
Replace the DP main PWB.
Measures
0
Reconnect the DPSHD PWB
to the DPCIS.
2WA/2NJ/2RK
Reference
Detaching
and reat-
taching the
DP main
PWB
Executing
U411
Reference
Wiring dia-
gram
Detaching
and reat-
taching the
DP main
PWB
Reference
Executing
U203