imagePROGRAF PRO-1000 Nozzle check - MBK looks bad, why?

[tyhy]

I have Canon pro 1000. My MBK looks bad in nozzle check? What does it mean? 

[jrhoffman75]

Try a head cleaning.

[tyhy]

I have done that, normal cleaning and deep cleaning but MBK stays the same.

[tyhy]

Dark coloured prints have horizontal lines

[jrhoffman75]

You should contact Canon Service Support then. May be a problem with head.

[atkinspaints]

how old is your machine

[tyhy]

one year old