The LCD panel freezes on the "EPSON" screen
Suspected cause
CH83 Main-B Circuit Board failure
Printer Main Circuit Board failure
DRV-H Head FFC slanted insertion (no disconnected wires, resolved by reinserting)
CH83 Main-B Circuit Board to CH83 Main cable disconnected
Parts/Components to be checked
- CH83 Main-B Circuit Board
Printer Main Circuit Board
- Head FFC Assy
- CH83 Main Board - CH83 Main-B Board FFC
Troubleshooting
| Step | Confirmation points and methods | Page | YES | NO |
|---|---|---|---|---|
| 1 | Replace the CH83 Main-B Circuit Board Does the product recover from the failure? | CH83 Main-B Circuit Board | End | Go to step 2 |
| 2 | Replace the Printer Main Circuit Board. Does the product recover from the failure? | Printer Main Circuit Board | End | Go to step 3 |
| 3 | Check the connection of the Head FFC Assy of CH83 DRV-H Board
Does the product recover from the failure? | Head FFC Assy | End | Go to step 4 |
| 4 | Check the connection of the CH83 Main-B Circuit Board to CH83 Main Circuit Board cable
Does the product recover from the failure? | CH83 Main Board - CH83 Main-B Board FFC | End | Go to step 5 |
| 5 | Replace the CH83 Main-B Circuit Board to CH83 Main cable Does the product recover from the failure? | CH83 Main Board - CH83 Main-B Board FFC | End | Escalate to person in charge |