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Oki Manuals
Printer
ML421 Series
Maintenance manual
Appendix Apcb Layout - Oki ML421 Maintenance Manual
Maintenance manual
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Also See for ML421
:
Safety & warranty
(32 pages)
,
User manual
(226 pages)
,
Maintenance manual
(133 pages)
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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Appendix A
PCB LAYOUT
PCB list
(1)
Circuit board TPW (Power Supply Board)
(2)
Circuit board NNS (Control Board)
(3)
Circuit board LEOP (Operation Panel Board)
(1)
(2)
(3)
42113901
Rev.2
CN1
CN4
Oki Data CONFIDENTIAL
CN2
114 /
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Table of Contents
Troubleshooting
TROUBLESHOOTING AND REPAIR
95
Troubleshooting flow chart
102
TROUBLESHOOTING FLOWCHART
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