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Archived This topic has been archived. Information and links in this thread may no longer be available or relevant. If you have a question create a new topic by clicking here and select the appropriate board.
HP Recommended
Latex 570
macOS 10.14 Mojave

We recently have noticed spots of magenta showing up in our prints on our PVC Banner where there weren't any there before. They are small but seem to be affecting our color.

Magenta spotsMagenta spots

 

We have cleaned the printheads with a fresh maintenance cartridge and nothing changed. We did the automatic alignment and saw that some of them were still skewed afterward.

20190925_130235.jpg

So then we tried a manual alignment with the values of 

A = 10

B = 10

C = 10

D = 10

E = 8

F = 9

G = 10

H = 10

I = 9

J = 10

K = 10

L = 10

M = 16

N = 14

O = 14

P = 12

Q = 10

R = 8

And that made some straighten out but others go crooked. And the spots are still there!

20190925_130331.jpg

What are we doing wrong? How do we fix the skew and the spots?

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