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B161F Black copies
Hi, I seem to be having a recuring problem on this range of m/c in that the exposure lamp will not come on when placing a document on the glass or through the document feeder, you then have to unplug the m/c from the wall socket to reset. Have first tried replacing power supply and then "pwb P" it will then work but the problem reoccurres, weeks some times months later.
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Senior Tech
100+ Posts
- Rep Power
- 34
The ribbon cable that runs from the ccd unit to the pwb-b board can cause issues. I would replace that to see what happens.
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Service Manager
100+ Posts
- Rep Power
- 35
Also check the lamp voltage regulator inside the scanner unit.
Kenny
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