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HP LaserJet Pro 500 color MFP M570dn
Microsoft Windows 10 (32-bit)

Hi, can anyone help please - I have the blue streak on every single print... I have done the cleaning sheet tonnes of times but it hasn't helped. I have wiped around inside the unit (not moving any parts etc). Thank you

 

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3 REPLIES 3
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If it is a pure single color like cyan then likely you have a bad cyan cartridge. Problems with the other components usually result in rainbow or muddy lines

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Thanks for the reply. I have changed the cyan ink since last year... could it still be that? I did change the toner collection unit recently...

HP Recommended

That is cartridge defect for sure.

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I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.



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