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TROUBLESHOOTING
NO
NO
A
Replace power supply unit.
4
Output of
power supply unit is
normal? *4
YES
Turn power off.
Remove connector CN5 from
main logic board.
Turn power on.
Fuse blows out?
YES
Replace fuse.
1) Replace main logic board.
2) Replace printer mechanism.
3) Replace control panel board.
*4
+25V Line +25V ± 5% Between Pin 1 and Pin 2 of CN1
+5V Line +5V ± 2.5% Between Pin 4 and Pin 3 of CN1
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