Oki ML520 Service Manual page 207
Oki dot matrix printers service guide ml520, ml521
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Also See for ML520:
- Quick start (4 pages) ,
- Specifications (2 pages) ,
- User manual (226 pages)
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No Replace the RS232C board.
Are + 8 vdc / - 8 vdc present on the main control board?
(Refer to Appendix A of this Service
Handbook).
Yes Replace the RS232C board.
Has the problem been resolved?
Yes End of procedure.
No Contact Technical Support.
No Replace the main control board.
Has the problem been resolved?
Yes End of procedure.
No Contact Technical Support.
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
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Troubleshooting
