Canon LBP 2460 - B/W Laser Printer Service Manual page 235

B. Examples of Image Defects (The paper is fed vertically.)
I-1 Light
I-5 Dots vertically in a line
I-8 Smudged horizontal bands
I-11 White vertical lines
I-15 Sharp black horizontal lines
(BD error/BD failure)
I-2 Dark
I-6 Dirt on back of
paper
I-9 Dirty
I-12 White horizontal lines
Figure 4-5-3
I-3 Completely blank
I-7 Vertical streaks/lines
I-10 Blank spots
I-13 Poor fixing
CHAPTER 4
I-4 All black
I-14 Image distortion
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