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Lolu chungechunge lwabekwa kunqolobane. Uyacelwa ubuze umbuzo omusha uma udinga usizo.

Prints only color on Mac when HP presets set to Black Ink Only. Safari prints Black in Only OK. This is a Firefox problem only.

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Using MacBook Pro with Mac OS 10.12 and Firefox 50.10. and HP 3050A. I was able to print black ink only on the same HP printer using Firefox 48.0.2 on Mac OS 10.7.5. But now that I've upgraded, Firefox will not print black only with preset se to Grayscale and Blank Ink only.

Using MacBook Pro with Mac OS 10.12 and Firefox 50.10. and HP 3050A. I was able to print black ink only on the same HP printer using Firefox 48.0.2 on Mac OS 10.7.5. But now that I've upgraded, Firefox will not print black only with preset se to Grayscale and Blank Ink only.

Okulungisiwe ngu Gaille

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Okulungisiwe ngu Gaille

yetiputer
yetiputer
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Learn how to print pictures and other documents from your Mac to a printer. 

     https://support.apple.com/en-us/HT204135

Resolve printer issues on your Mac 

      https://support.apple.com/en-ca/HT203343
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Thanks yetiputer. I'll try those suggestions. May take a day or two with Christmas coming. Will let you know results.yetiputer said

Learn how to print pictures and other documents from your Mac to a printer. https://support.apple.com/en-us/HT204135 Resolve printer issues on your Mac https://support.apple.com/en-ca/HT203343

yetiputer said

Learn how to print pictures and other documents from your Mac to a printer. https://support.apple.com/en-us/HT204135 Resolve printer issues on your Mac https://support.apple.com/en-ca/HT203343