Star Micronics NX-1500 - Page 60

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TROUBLESHOOTING
1) Replace I/F cable.
2) Replace main logic board.
3) Check host computer.
1) Replace main logic board.
2) Replace printer
mechanism.
3) Replace control panel
board.
Replace printer mechanism.
Replace power supply unit.
C
D
B
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
(VH, VL, +5V)
of power supply unit is
normal? *4
NO
Power source is off.
Fuse blows out?
YES
Replace fuse.
Remove connector CN201 of
main logic board.
Power source is on.
A