Epson AcuLaser CX11 Service Manual page 432

EPSON AcuLaser CX11/CX11F
REINSTALLATION
1. Attach PWBA MCU to the main unit.
2. Fasten PWBA MCU to the main unit with the 4 screws (silver, with flange, 6 mm).
3. Connect all connectors to the PWBA MCU.
4. Attach COVER ASSY LH. (p321)
5. To enter the maintenance mode, while holding down the [Left(
[Down( )] and [Right( )] buttons, turn the printer on.
6. Execute the "MCU DATA Restore" in the maintenance menu to write the data
onto a new PWBA MCU.
Once the restoring has started, do not turn the printer's power off
C A U T I O N
until the engine stops.
Do not replace both PWBA CRUM and PWBA MCU at a time.
(Replace one of them first and turn the product ON and OFF, and
then replace the other one if both of them should be replaced.)
Table 4-14. Symptoms when the connector is loose
Connector
Panel Indication
No.
P/J400 Service Req C0998 Printing is not possible.
Ready → Service Req
P/J401 Printing is not possible.
E537
P/J403 C Open Printing is not possible.
P/J404 Ready Æ Jam E, F
P/J405 Ready
P/J406 Ready
Ready Æ Service Req
P/J407
E510
P/J408 E Open Printing is not possible.
P/J409 Service Req E547 Printing is not possible.
P/J410 Service Req C0998 Printing is not possible.
P/J411 Ready
DISASSEMBLY AND ASSEMBLY
)], [Up(
Error Caused by Connector
Symptom
Disconnection
---
Fuser error
The Cover Fuser is open.
Paper Jam at 2nd BTR ---
Entirely Faint ---
Normal printing ---
All LEDs light ROS Motor error
---
Feeder Moter error
---
Normal printing ---
Table 4-14. Symptoms when the connector is loose
Connector
Panel Indication
No.
P/J412 Service Req E513
P/J413 Service Req E533
Ready → Service Req
P/J414
E542
)],
P/J415 EPSON
P/J416 Install Photocondctr Printing is not possible.
P/J417 Service Req E537
P/J418 F Open
P/J421 Ready
P/J422 Service Req E526
Printer
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Error Caused by Connector
Symptom
Disconnection
NVM error
All LEDs flash
Sensor HUM & TEMP error
All LEDs flash
All LEDs flash ---
The display does not
---
change from "EPSON"
Photocondctr error
All LEDs flash Fuser error
---
Printing is not possible.
The main unit prints
normally. 500-sheet Paper Feeder error
Cassette is not recognized.
---
All LEDs flash
Revision B
434