A solid detergent composition including: detersive surfactant; beta cyclodextrin; essentially free from zeolite builder; essentially free from phosphate builder; optionally, essentially free from silicate; and optionally perfume; and optionally, additional detergent ingredients. In one configuration, the photonic device is configured to emit or to receive light through the substrate material. In particular, a start signal can be generated even without a counter. A method of sintering a die, the die having a serrate edge, comprises the following steps of providing a die and using a laser beam sintering the serrate edge of said die into a smooth edge. The cartridge is provided with a storage device for storing information on color registration errors and color registration errors are corrected by a correcting device.