Epson TM-U200 Series

4-6 Troubleshooting Rev. A
Confidential
4
Does the printer not
Replace main PCB.
END
Yes
No
4 Self-test is not normal.
END
OK?
No
Yes
perform at all?
Replace printer
mechanism assembly.
Is the output voltage
of the regulator circuit on
the main board within
the specified range?
(*)
END
OK?
END
No
Replace the mechanism.
No
Replace the main PCB.
Yes
Print out is not good
or paper feed failure
OK?
END
No
Replace the main PCB.
Yes