Epson Stylus CX4900 Service Manual page 97

EPSON Stylus CX4900/CX4905/CX5000/DX5000/DX5050/CX5900/CX6000/DX6000/DX6050
Occurrence
timing Detailed phenomenon
CR position
When turning on the power, the
power on sequence is performed
• Operation
correctly. But, when any printer job
• –
is sent to the SPC, a communication
error is indicated with STM3.
TROUBLESHOOTING
Table 3-6. Check point for communication error according to each phenomenon
Defective
unit/part name
1. Check if the USB Cable is connected between the SPC
USB Cable
and the PC.
1. Check if an incorrect model name is not stored into the
address of the EEPROM on the Main Board.
2. Check if the Panel FFC is connected to the CN12 on the
Main Board. <Stylus CX4900/CX4905/CX5000/
DX5000/DX5050>
Main Board Unit
2. Check if the Panel FFC is connected to the CN18 on the
Main Board. <Stylus CX5900/CX6000/DX6000/
DX6050>
Troubleshooting
Check point
Panel FFC
CN12
Main Board
Panel FFC
CN18
Main Board
Revision A
Remedy
1. Connect the USB Cable to the SPC and the
PC.
1. Use the Adjustment Program to write the
correct value to the EEPROM address.
2. Connect the Panel FFC to the CN12/CN18 on
the Main Board.
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