Frontier LP7500 Service Manual page 615

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• If the suffix numbers 00002, 00003 or 00004 is shown, confirm that the spring 2 of paper advance unit 1 is not broken.
Paper advance unit 1
Spring 2
Diagnosis
Paper sensor 1
Paper sensor 2 (left, center or right)
Printer I/O PCB 3
Printer control PCB
$ Symptoms due to connection failure of wiring/symptoms resulted from blowout of fuse
Symptoms due to the wiring connection failure
4202
N
OTE
• To access the wiring diagrams, click Wiring diagrams in Bookmarks.
46200
G078460
Detection failure
−
46200
Error message: Printer 3
Manual No.
63090
63110
66040
66000
Symptoms of fuse blowout
−
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