Epson WF-C5790 Service Manual page 103

EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a
Step
Check the status of the CR Encoder FFC
5
Check the CR Encoder FFC to make sure that it is not inserted obliquely or
damaged.
Perform CR Motor operation check
6
Does the CR Motor operate (rotate)?
Replace the Main Board Assy.
7
Does the error occur after replacing the Main Board Assy?
Troubleshooting
Check and measure
Troubleshooting procedure
Yes
Go to step 6
Go to step 7
Replace the Printer Mechanism.
Revision A
No
 Properly connect the CR Encoder FFC.
 Replace the CR Encoder FFC (head FFC) in
the case of damage.
Replace the CR Motor.
End
Confidential
103