Vertical Bands Appear In The Copy; A B&W Image Appears Greenish (Or Pinkish, Or Bluish) - HP Designjet 5500mfp Color Manual

2.4.2.6 Vertical Bands appear in the copy

This normally happens when the glass plate is dirty (either because it was dirty before
the scanning or because the original left tiny bits of coating as it moved over it). In the
first case, clean the glass plate according to the scanner maintenance procedure and in
the second case, laminate the original (if possible) or place a transparent cover over it
before scanning again.
2.4.2.7 A B&W image appears greenish (or pinkish, or bluish)
If you selected scanning in B&W and the output image has a noticeable color cast, then
probably the problem is in the printer itself. Make sure that the printer CLC (Closed-Loop
Color) has been performed and is active. See section 3.1.4 for details on the CLC
process. If this does not solve the problem, consider copying in Color mode. If the
problem persists, follow the steps described in section 2.4.2.2.
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Color Reproduction for the HP Large Format Color Copiers family: cc800ps, 815mfp, 5500mfp and 4200 scanner