Canon S520 Service Manual page 61

S900 / S820 / S750 / S520
2) S750/S520
(1) Dot placement adjustment of the two arrays for each color.
• Blackblack array (A)
• Cyancyan array (B)
• Magentamagenta array (C)
(2) Dot placement adjustment of two different-color arrays.
• Blackcyan/magenta/yellow (F)
(3) Bi-directional placement adjustment (as per models to date)
• Black bi-directional (D)
• Color Bi-directional (E)
Figure 2-10 Printing Position Adjustment Pattern (S750/S520)
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Part 2: Troubleshooting