Star Micronics NX-1000 series - Page 61

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TROUBLESHOOTING
1) Replace I/F cable.
2) Replace main logic board.
3) Check host computer.
Replace printer mechanism.
Replace power supply unit.
C
D
NO
NO
NO
YES
NO
Printing begins?
YES
Printing
operation normal?
YES
Printer is normal; host
computer print program stops.
END
Works with
carriage hand?
YES
Output
(+24V, +5V)
of power supply unit is
normal? *4
NO
Power source is off.
Fuse blows out?
YES
Replace fuse.
Remove connector CN5[CN6]
of main logic board.
Power source is on.
B
[ ]: Commodore type
1) Replace main logic board.
2) Replace printer
mechanism.
A