Canon iR1600 Series, Service Manual

Page: 400 / 738

3.2 Image Faults Samples
1. The copy is too light (halftone only).
7. The copy is foggy (feeding direction).
13. The back of the copy is soiled.
19. The copy is foggy (cross-feeding direction). 20. The copy has poor sharpness.
Note: The samples are made artificially to provide an idea of faulty copies, and may not represent actual faults.
(The NA-3 Test Sheet was copied in DIRECT mode on A4 paper, and reduced for printing.)
* Copies made with the copyboard lifted; faults may
also appear on normally made copies.
✝ Strips may vary in width.
14. The copy has poor fixing.
8. The copy has black lines
(feeding direction, fuzzy, thick).
2. The copy is too light (both halftone and solid black). 3. The copy is too light (entire copy, appreciably).
9. The copy has black lines (feeding direction, fine).
15. The copy has displaced registration
(leading edge, extremely excessive margin).
21. The copy is blank.
4. The copy has uneven density (darker along front).
10. The copy has white strips (feeding direction).
✝
16. The copy has displaced registration
(leading edge, excessive margin).
17. The copy has displaced registration
(leading edge, no margin).
22. The copy is solid black.
5. The copy has uneven density (lighter along front).
11. The copy has white lines (feeding direction).* 12. The copy has white strips (cross-feeding direction).
6. The copy is foggy (entire copy).
18. The copy has blurred images.
COPYRIGHT© 2002 CANON INC. 2000 CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 2002 13-22