Middle classification: Lines/Streaks

A smudge or a white area inside an image, in a linear shape with 1 mm or smaller width.

Illustration of Lines/Streaks

Small classification	Sample image	Description
Vertical black (color) streaks Black (color) streaks appearing in the paper feed direction.		See Vertical Black Streaks. See Problems on Half-tone Images.
Vertical white streaks Image missing in the shape of streaks in the paper feed direction.		See Vertical White Streaks. See Vertical White Streaks around the Edge of the Paper. See Problems on Half-tone Images.
Horizontal black (color) streaks Black (color) streaks appearing in the direction perpendicular to the paper feed direction.		See Horizontal Streaks: When Using Thick Paper (1). See Horizontal Streaks: When Using Thick Paper (2). See Problems on Half-tone Images.
Horizontal white streaks Image missing in the shape of streaks in the direction perpendicular to the paper feed direction.		See Problems on Half-tone Images.
Vertical glossy streaks Glossy streaks appearing in the paper feed direction.		See Glossy Lines at the Edge of the Paper.
Horizontal white streaks Glossy streaks appearing in the direction perpendicular to the paper feed direction.		-
Image scratches Stains in the shape of vertical streaks which seem to result from being scratched by the guide plate ribs or other parts.		See Paper Edges are Stained.