Ricoh PRO C7200 - This is likely to occur if:

11.Image Quality Problem: Full Page
602
This is likely to occur if:
 CMYK toner images exist around clear toner images.
 When using smooth paper.
 There is a high density KCMY image for which large amounts of toner are not transferred. (This
problem often occurs for Blue (Cyan + Magenta), a color for which unprinted areas are particularly
obvious.)