Haloperidol Prophylaxis for Elderly Hip-Surgery Patients at Risk for Delirium: A Randomized Placebo-Controlled Study

A method of compensating for the failure of a dot generating unit in a printing system including a multiple-unit printhead scanning an image receiving medium in line direction and capable of printing several lines at a time, wherein multi-pass printing and interleaved line feed are employed, and wherein when a unit fails, the image information associated with that unit for each pass of the printhead is printed with at least one other unit of the printhead during at least one of the other passes and wherein two-pass printing is performed.