Kyocera TASKalfa 7002i Service Manual page 889

(3) Scanner Factors (when scanning on the contact glass)
No.
(3-1) Abnormal image
(3-2) Colored background
(3-3) Black or color spots appear on the image
(3-4) Blurred characters / Color Shift
(3-5) Original center and copy image center are
mismatched
(3-6) Horizontal black streaks
(3-7) Vertical black / color streaks or band
Contents
7-29
2WA/2NJ/2RK
Image sample