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LouisePooley
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Laserjet Pro M277 Printing Spots

HP Color LaserJet Pro MFP M277
Microsoft Windows 10 (64-bit)

My printer has recently started printing a row of blue dots down the right hand side of each page.  Any ideas on how to stop this from happening. 

 

Thanks,

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Message 2 of 2
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HP Recommended

Laserjet Pro M277 Printing Spots

If the dots are about an inch apart then you have a bad cyan cartridge or something stuck to the drum of the cyan cartridge. Replacement is really the only fix if you cannot remove the contamination.

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