Epson TM-U200 Series Technical Manual page 96

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