Epson WF-C5790 - Adf;Scanner Trouble

EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a Revision A
Troubleshooting Troubleshooting procedure 154
Confidential
ADF/SCANNER TROUBLE
 Symptom
Does not occur during printing (printing from a PC) and occurs only when
copying from the ADF or scanning glass.
 Cause
 Glass dirty
 Scanning sensor dirty
 Feed path roller dirty/deteriorated
 Feed path foreign object/damaged
 CIS Module failure