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Service Guide ML395/395C
Chapter 4 Failure & Repair Analysis
RAP 06: Wrong Character, Character Omission, or Dot Omission
START
Are cables CN2 and CN6 on the control board connected correctly?
NO Connect them correctly.
YES Is cable CN101 on the interface connector board connected correctly?
NO Connect it correctly.
YES Is the interface cable connected correctly?
NO Connect it correctly
YES Are the +/- 8vdc output voltages supplied by the control board? Check at both ends of C9 for
the positive voltage. Check at both ends of C8 for the negative voltage.
YES Replace the printhead.
Has the problem been resolved?
YES End of procedure.
NO Go to A
NO Are cables CN3 and CN7 on the control board properly connected to the power supply unit?
NO Connect them correctly.
YES Replace the power supply unit.
A
Replace the PROMs on the control board. Has the problem been resolved?
YES End of procedure.
NO Replace the control board.
Has the problem been resolved?
YES End of procedure.
NO Are the cables connected to CN2 and CN6 on the control board damaged?
YES Replace the cables.
Содержание Microline ML395C
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Страница 22: ...1 1 0 2 M e a n T i m e T o R e p a i r M T T R 1 5 m i n u t e s m a j o r s u b a s s e m b l...
Страница 23: ...y l e v e l 1 1 1 0 3 P r i n t e r L i f e 1 2 0 0 0 h o u r s 2 5 D u t y 3 5 P a g e D...
Страница 24: ...e n s i t y 1 1 1 0 4 P r i n t h e a d L i f e 2 0 0 M i l l i o n C h a r a c t e r s a v e r...
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Страница 229: ...Page 148 Service Guide ML395 395C Chapter B Illustrated Parts Listing B 2 CHARTS Index to Charts...
Страница 230: ...Below is an index to the illustrated parts breakdown charts Description Section Upper Cover Assembly B 2 01...
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