How does HP’s Large-Format Photo Negative application work?
The Large-Format Photo Negative Application is a package of paper presets that owners of HP Designjet Z3200 printers can download for free from HP’s website. Whenever printmakers want to print a negative on a clear film, they can select one of the presets on the printer’s front panel. The presets instruct the printer how to combine green and black ink to produce negatives that have the right combination of opacity and tonal response for the type of alternative printing process the printmaker wants to use. The Large-Format Photo Negative Process is based on the discovery that the green Original HP Photo ink acts as an excellent color filter for the UV light used in alternative printing processes, such as platinum printing. HP has developed a single preset so that when an RGB image is sent to the HP Designjet Z3200, the Green channel in the image will be used to form the final negative and the Red channel will be used to control opacity using Black ink. To find out how much black ink is
