One possibility is to put readers inside high-end corporate printers, then install dots loaded with software upgrade information on toner cartridges, easing machine care.

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Or, to modernize it, selling the printer at a low price in order to profit on the toner or ink .

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While Staples' 10% discounts on printer paper and toner made it a close race, Office Depot's low prices and 5% overall discount pushed their prices below the other retailers.

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Consumables such as high-margin toner cartridges provide a steady flow of cash on the back of this printer business.

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Mr Toner said some of the Titanic items are on sale while others are on display for customers, especially tourists "to view and appreciate the legend so connected with Belfast".

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His real name is Sean Toner, and he owns the gift shop Curio on the Dublin Road near Belfast city centre.

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Staples lets you rack up points, too, but only on certain items--luckily, the most expensive ones, like printer toner and paper.

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But my printing problems today have nothing to do with paper jams, low toner, or any other error caused by the actual putting of words on paper.

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Sam's Club offered the best deals on garbage bags, toilet paper and paper towels, but charged more for pens, file folders and toner.

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