"devote ink" is a correct and usable phrase in written English.
It means to spend time and effort writing or discussing something at length. Example: The author devoted many pages of his book to describing the intricate details of the ancient kingdom.
He does not devote much ink in his novel to explaining the supernatural origins of the bullet- and missile-proof dome, but the overarching mystery is eventually solved.
But professor Sachs has a point: We devote more ink to wealth than to poverty.
Meanwhile, the Washington Post just can't devote enough ink to this topic.
Reviews of the play from that time devoted much ink to the similarities and differences between the character and his prototype.
Ugandan newspapers have devoted considerable ink to the largest foreign investment project ever in East Africa -- a $550 million dam and power plant on the Victoria Nile.
Unfortunately Tye, the author of "The Father of Spin," devotes considerable ink to biographical and historical material already well covered by other writers.
A reader might wish that the author had devoted more ink to the lesser-known characters in his tales who raised red flags about corporate practices but were muzzled.
Reflecting the collaborative spirit of this web-based network, online art portal a.muse is hosting an end-of-year exhibition featuring eight emerging Berlin-based artists they've devoted digital ink to this year.
Yet despite the promise of the book's subtitle, she devotes scant ink to assessing the prospects for "everyone else," leaving us wondering how we might earn our way as more of the wealth slides toward people who already have so much.
At this point it's almost embarrassing to devote any more ink or pixels to Lin-Manuel Miranda's triumphant musical.
