Lexmark International Group Inc, the Lexington, Kentucky-based printer manufacturer, has reported second-quarter net income up 39% at $74.5m on revenue up 17% at $817.3m. Earnings per share rose 45% to $0.55, beating the First Call consensus estimate by $0.06. The results marked the 15th consecutive quarter of year- over-year earnings growth for the company.

Printer hardware and associated consumable supplies revenues increased in all major geographies and were up 22% from the same period a year ago. Gross profit margins were 36.2%, down slightly from 36.8% due to a shift in product mix. Operating expenses, meanwhile, were 22.5% of revenues in the quarter, an improvement of two points, which the company attributes mainly to lower selling, general and administrative expenses as a percentage of sales.

For the six-month period, net income rose 38% to $142.3m on revenue up 17% at $1.6bn, while earnings per share for the period rose 43% to $1.03.