How does the HP OfficeJet Pro 9010 handle black and white print jobs in simplex and duplex modes?
For both simplex and duplex black and white print jobs, the printer is set to print in grayscale using black ink only. The media and quality settings default to the standard default configuration during these print modes.
From the official HP Officejet Pro 9010 All-in-One Printer manual, page 1
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