Image Defect Troubleshooting; Image Defect Examples - Brother HL-4040CN, HL-4050CDN, HL-4070CDW Service Manual

4.

IMAGE DEFECT TROUBLESHOOTING

4.1

Image Defect Examples

Light on the
whole page
Poor fixing
Dirt on the back of paper
White vertical streaks on one color image
Faint print
One color spots or dirt
Downward fogging
of solid color
Unstable color Hollow print
density
One color is light
Completely blank Image distortion
Vertical streaks
Horizontal lines
Faulty registration
All one color
Vertical streaks in a
light background
White horizontal stripes on one color image
White spots on one color image
One color band
Ghost Color
misregistration
Dirt on the bottom
end of paper
Fig. 1-4
1-41
Dark
Horizontal stripes
Fogging
Confidential