An inkjet printer with a nozzle plate that has an exterior surface with formations for reducing its co-efficient of static friction. The rules engine updates a business mapper. The invention further relates to a device, a system, a computer program and a computer program product. One antenna terminal andor one varactor terminal can be grounded. Systems powered by the voltage regulator are allowed to be programmed until system programming requiring variable voltage levels is complete. A pair of slots are positioned at opposite ends between the plate and the strip and extend inwardly from the ends.