Following the successful launch of the Diconix 150 portable printer 14 months ago, Eastman Kodak Co’s subsidiary, Diconix Inc, yester day launched two desktop, plain paper, ink-jet printers, the Diconix 300 and 300w, retailing at UKP500 and UKP600 respectively, for general office use: they operate at 310 characters per second, and produce a low noise level of 48 decibels.