Troubleshooting - Epson Stylus CX4900 Service Manual

EPSON Stylus CX4900/CX4905/CX5000/DX5000/DX5050/CX5900/CX6000/DX6000/DX6050

3.3 Troubleshooting

You can identify the troubles by using the checklist in this section after confirming the LED indication on the SPC. If you connect the SPC to your PC and see an error message on
the STM3, you can short the total repair time. And, when you find out the defective parts, replace them by referring to Chapter 4 "DISASSEMBLY AND ASSEMBLY". The
following tables describe the error check points.
Occurrence
timing Detailed phenomenon
CR position
• Power on
When turning on the power, the SPC
does not operate at all.
• Anywhere
TROUBLESHOOTING
Table 3-6. Check point for communication error according to each phenomenon
Defective
unit/part name
1. Check if the Panel FFC is connected to the CN1 on the
Panel Board.
<Stylus CX4900/CX4905/CX5000/DX5000/DX5050>
< Stylus CX5900/CX6000/DX6000/DX6050
Panel Unit
2. Check if the Panel FFC is not damaged.
3. Check if the Panel Board is not damaged.
Troubleshooting
Check point
Panel FFC CN1 Panel Board
>
Panel FFC CN1 Panel Board
Revision A
Remedy
1. Connect the Panel FFC to CN1 on the Panel
Board.
2. Replace the Panel FFC with new one.
3. Replace the Panel Board with new one.
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