Epson WF-C5790 - Page 108

EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a Revision A
Troubleshooting Troubleshooting procedure 108
Confidential
4
Check the status of the PF Encoder and FFC
Check the PF Encoder to make sure that it is not damaged, and there is no
disconnection or contact failure in the FFC.
Go to step 5
 Replace the PF Encoder Board if parts are
damaged.
 Properly connect the FFC.
 Replace the Printer Mechanism if the FFC is
damaged.
5
Check the status of the PF Scale.
Is the PF Scale dirty or damaged?
Go to step 6
 Clean, if dirty.
 Replace the PF Scale, if damaged.
6
Replace the Main Board Assy.
Does the error occur after replacing the Main Board Assy?
Replace the Printer Mechanism. End
Step Check and measure Yes No