Star Micronics NX-1500 - Page 58

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TROUBLESHOOTING
Replace main logic board.
On line lamp
signal is normal?
YES
Replace control panel board.
NO
1) Replace main logic board.
2) Replace printer mechanism.
NO
1) Replace main logic board.
2) Replace printer mechanism.
A
NO
NO
Paper feed
motor drive waveform
is normal? *2
YES
Replace printer mechanism.
A
A
Self
printing:
E
Carriage motor
drive waveform is
normal? *1
YES
Replace printer mechanism.
On line lamps light?
YES
On line switch in on.
(Take Off Line)
On line lamp is out?
YES
Paper feed switch is on.
Paper feed switch
operation is normal?
YES
Power is off.
Power source is on while
pressing paper feed switch.
Carriage operates
normally?
YES
NO
NO
NO