Last September, HP introduced a brand-new pigmented ink set and new HP 950/950XL black tanks and HP 951/951XL individual color ink tanks in the Officejet Pro 8100 ePrinter and the Officejet Pro 8600 e-All-in-One series (see “New HP Officejet Pro Products Feature New Ink Set and Consumables”). This week, German bulk ink vendor OCP sent