Total revenues fell just 3% in the period, despite continued financial turmoil across the global economy.
The company's Q4 revenues of US$4.22bn (A$4.65bn) were down from US$4.37bn year-on-year.
The drop in equipment sales, down 11% from US$1.3bn in Q4 2008 to US$1.15bn in Q4 2009, was stemmed from further decline by growth in colour.
"Lower black-and-white page volumes reflecting the weak economic environment were partially offset by an increase in colour pages," the company said.
Production B&W sales fell 15%, compared with a 7% drop in production colour installations. Xerox said the results were helped by a boost in installations for the Xerox 700, 7002/ 8002, and iGen4 digital presses, plus continuous feed devices.
The results bring Xerox's full-year revenues to US$15.2bn, down 14% from US$17.6bn in 2008. Full-year net income was $US485m.
Xerox chief executive officer Ursula Burns said: "We delivered a strong close to a difficult financial year, with solid operational results that reflect our disciplined approach to generating cash and reducing costs."
She said the corporation saw signs of improvement in the fourth quarter, including "developing markets".
"We remain quite confident in our strong global competitive position. However, we believe revenue will continue to be under pressure until there is a more sustainable economic recovery.
"To help offset this challenge, we remain focused on cost and expense," she added.
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