000025 Cr Pid Underspeed Error; Troubleshooting Procedure - Epson WF-C5790 Service Manual

EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a
CR ERROR (4)
 Error name
 CR PID underspeed error (error code: 000025)
 Cause
 When lower than the expected speed is detected
 Suspected cause
 Jammed paper remained
 Foreign object remained
 Contamination of CR scale
 CR Motor failure
 Main Board failure
 Troubleshooting
Step
Visually check the CR scanning section
1
Is there no paper jam paper and foreign object in the CR scanning section?
Check the status of the CR Scale.
2
Is the CR Scale dirty or damaged?
Check the connection of the CR Encoder FFC.
3
Check the CR Encoder FFC to make sure that it is not inserted obliquely.
Perform CR Motor operation check
4
Does the CR Motor operate (rotate)?
Replace the Main Board Assy.
5
Does the error occur after replacing the Main Board Assy?
Troubleshooting
Check and measure

Troubleshooting procedure

Yes
Go to step 2
Go to step 3
Go to step 4
Go to step 5
Contact the EPSON Service Department.
Revision A
No
Remove the jammed paper and foreign object.
 Clean, if dirty.
 Replace the CR scale in the case of damage.
 Properly connect the CR Encoder FFC.
 Replace the CR Encoder FFC (head FFC) in
the case of damage.
Replace the CR Motor.
End
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