4.5.1 Typical fault images
1. Blank image
4. Dark image density
7. Black lines
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
10. Uneven image density
2. Black image
5. Blank lines/ Blank spots
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
8. Black spots
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
11. Periodically uneven image
4-20
3. Low image density / rough image
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
6. Void areas
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
9. Smear on back
A
ABCDE
ABCDE
ABCDE
ABCDE
12. Gradation reproduction failure