A print head, has a standardized computer interface to allow the print head to connect directly to a standard computer, an array of jets to deposit ink on a substrate in accordance with image data from the standard computer, a processing element to receive image data through the standardized computer interface, a buffer to store the image data received through the standardized computer interface and to transmit the image data to the array of jets when triggered by a dot clock, the buffer under control of the processing element and having a flexible depth of storage, and a driver to trigger individual ones of the array of jets in accordance with the image data.