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Printing paper on unilateral black

by:Colorunion     2020-09-16
Printing paper on unilateral black? Laser beam scanning outside the normal range, the toner cartridge at the top of the mirror position change, failure, ink cartridges toner is focused on the side inside the box, etc. , are likely to produce drums unilateral black fault. Check the laser channel and the location of the reflector, correcting deviation or a flick off the ink cartridges, make toner evenly distributed inside the box, if still cannot improve, then replace the ink cartridges. Are the ways to solve one black.
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