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Service Guide ML395/395C
Chapter 4 Failure & Repair Analysis
RAP 01: Power Lamp Does Not Light
NOTE: If the printer operates normally, but the POWER LAMP does not light, replace the Operator Panel.
Refer to Appendix A for voltage test points and connector locations.
START
Is the AC cable connected to an AC outlet and the printer?
NO Connect the AC cable.
Has the problem been resolved?
YES End of procedure
NO Go to the next step listed below.
YES Is the F1 fuse on the power supply unit open?
YES Replace the fuse F1. If it opens again, replace the power supply unit.
Has the problem been resolved?
YES End of procedure
NO Go to the next step listed below.
NO Are the +5Vdc and +38Vdc present on the control board? Check for +38Vdc at both ends of
capacitor C2. Check for +5Vdc between pin 16 of Q2 and the power bar.
NO Are cables CN3 and CN7 on the control board correctly connected?
NO Connect cables CN3 and CN7 at the control board.
YES Replace the power supply unit.
OR
Replace the connection cable.
YES Replace the control board.
Has the problem been resolved?
NO Contact Okidata Technical Support.
YES End of procedure.
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)
Содержание Microline ML395C
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Страница 230: ...Below is an index to the illustrated parts breakdown charts Description Section Upper Cover Assembly B 2 01...
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