The laser printer's output sample pictures and texts have regular shades from top to bottom. Possible reasons for failure:
(1) Partial fatigue of the photosensitive drum;
(2) Poor contact between the charging and transfer roller electrodes.
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We (Alice) are a manufacturer specializing in the production of nameplates for office appliances. We have 21 years of experience in making furniture signs. We can produce zinc alloy, aluminum alloy, stainless steel, copper, brass, iron, and titanium. , PC, PET, PE, pvc and other different labels.
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