TASKalfa 3500i - Black Dot; Black Marks; 126 mm interval Black Dots (drum)

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Black Dot / Black Marks
Image sample 1
１．126mm interval Black Dots (drum)
If one of several 126mm interval black dots appears randomly at sub scanning
direction, take the following measure.
(Image sample 1)
(*there is the case that the black dots appearance becomes vertical line.)
a.Replace the DRUM ASSY (DK-6305/6705).
126mm