Epson AcuLaser C2800 Service Manual page 103

A4 full color laser printer
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AcuLaser C2800/C2800D/C3800/C3800D
FIP 1-23 TonerCart Error Black(K)
Possible parts that caused the error
IMAGING CARTRIDGE (K)
CONNECTOR CRUM
(CRUM SENSOR) (K)
Troubleshooting
Step
Check
Check the installation of the IMAGING
1
CARTRIDGE (K)
Is the IMAGING CARTRIDGE (K) installed
correctly?
Check the installation of the CONNECTOR
2
CRUM (CRUM SENSOR) (K)
Is the CONNECTOR CRUM (CRUM
SENSOR) (K) installed correctly?
Check the connection of the CONNECTOR
3
CRUM (CRUM SENSOR) (K)
Check the connection state between
CONNECTOR CRUM (CRUM SENSOR) (K)
and PWBA MCU.
Are P/J314 and P/J31 connected correctly?
Check the continuity of the HARNESS ASSY
4
CRUM
Is the continuity between P/J314 <=> P/J31
normal?
Check the CONNECTOR CRUM (CRUM
5
SENSOR) (K)
Is there any damage to the CONNECTOR
CRUM (CRUM SENSOR) (K)?
Check after replacing the IMAGING
6
CARTRIDGE (K)
Replace the IMAGING CARTRIDGE (K) with
a new one.
(p.271)
Does the error still occur after the replacement?
TROUBLESHOOTING
HARNESS ASSY CRUM
PWBA MCU
Yes
No
Go to Step [2].
Reinstall the
IMAGING
CARTRIDGE
(K) correctly.
Go to Step [3].
Reinstall the
CONNECTOR
CRUM (CRUM
SENSOR) (K)
correctly.
Go to Step [4].
Reconnect the
P/J314 and P/J31
correctly.
Go to Step [5].
Replace the
HARNESS
ASSY CRUM.
Go to Step [6].
Replace the
CONNECTOR
CRUM (CRUM
SENSOR) (K).
(p.280)
Replace the
End of procedure
PWBA MCU.
(p.343)
Engine-related Trouble FIP
FIP 1-24 Service Req E100 (ROS Failure)
Possible parts that caused the error
ROS ASSY
Troubleshooting
Step
Check
Check after turning the power OFF and ON.
1
Does the error recur even when the power is
turned off and back on again?
Check the connection of the ROS ASSY
2
Check the connection state between ROS ASSY
and PWBA MCU.
Are P/J151 and P/J12 connected correctly?
Check after replacing the ROS ASSY
3
Replace the ROS ASSY with a new one.
Does the error still occur after the replacement?
Revision C
PWBA MCU
Yes
No
Go to Step [2].
End of procedure
Go to Step [3].
Reconnect the
P/J151 and P/J12
correctly.
Replace the
End of procedure
PWBA MCU.
(p.280)
(p.343)
103
Confidential

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