EPSON Stylus C110/C120/D120 Revision B
TROUBLESHOOTING Troubleshooting 61
Table 3-11. Check point for communication error according to each phenomenon
Occurrence timing
CR position
Detailed phenomenon
Defective unit/
part name
Check point Remedy
• Power on
• Anywhere
When turning on the power, the
printer
does not operate at all.
Panel Unit
1. Check if the Panel FFC is connected to CN1 on the Panel
Board.
1. Connect the Panel FFC to CN1 on the Panel
Board.
2. Check if the Panel FFC is not damaged. 2. Replace the Panel FFC with new one.
3. Check if the Panel Board is not damaged. 3. Replace the Panel Board with new one.
• Power on
• Anywhere
When turning on the power, the
printer
does not operate at all.
PS Board Unit
1. Check if the PS Board Connector Cable is connected to
CN1 on the Main Board.
1. Connect the PS Board Connector Cable to CN1
on the Main Board.
2. Check if the PS Board Connector Cable/PS Board is not
damaged.
2. Replace the PS Board Unit with new one.
* If the problem is not solved, replace the Main
Board with new one.