Frontier LP7500 - Page 402

4. Troubleshooting
4202
8/9
4202
Diagnosis appendix for the failures: Symptom due to the connection failure of wiring
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! CVP PCB
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! Printer power supply 1 (PS1)
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! Printer power supply 2 (PS2)
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! Printer power supply 3 (PS3)
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! Printer power supply 4 (PS6)
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! Printer power supply 5 (PS4)
Connector No. Symptom
J/P500 Connects to the printer
control PCB.
The CVP unit does not operate.
J/P501 Inputs power supply (+24 V)
from printer power supply 3.
The CVP unit does not operate.
J/P502 Connects the dot head and
ribbon advance motor.
The CVP unit does not operate.
Connector No. Symptom
J/P428 Power supply (AC200-240
V) from printer I/O PCB 1.
No.06136-00001 Exposure Advance Pressure Change Motor 1 operation error. occurs.
J/P422 Supplies the power to the
printer I/O PCBs 1 and 3
(+24 V).
Connector No. Symptom
J/P420 Supplies power (IL 36 V) to
printer I/O PCB 1.
No.06013-00001 Paper did not load. Paper Magazine B occurs when printing is started
using magazine B.
J/P421
J/P430 Power supply (AC200-240
V) from printer I/O PCB 1.
Connector No. Symptom
J/P424 Supplies the power (+24V)
to printer I/O PCB 1.
Without the optional
magazine
No malfunctions in the operations will occur on this condition.
J/P431 Power supply (AC200-240
V) from printer I/O PCB 1.
When the triple magazine is
connected
When the quad magazine is
connected
No.06200-00001 Width Change Motor A2 operation error.
occurs when printing is started using magazine A2.
Connector No. Symptom
J/P1711 Power supply (AC200-240
V) from printer I/O PCB 1.
No malfunctions in the operations will occur on this condition.
J/P1712 Supplies the power to the
quad magazine PCB (IL36
V-3)
Connector No. Symptom
J/P432 Inputs the AC power supply
from the Processor relay
PCB.
• When Printer Information of Status Display is confirmed, the messages such as
Printer Operation Status and Laser Temperature Status are shown in gray.
J/P418 Printer IF main PCB, printer
I/O PCB 1, printer I/O PCB
3, G laser driver, laser
control PCB and printer
control PCB
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