A method for ignition of a ceramic high intensity discharge lamp. While the mute function is active, sound reaching a telephone or other communication device is sensed, and a determination is made if the sound includes a word. The method further includes rasterizing the first primitive to generate a first set of rasterization results. A digital counter has a plurality of outputs and is clocked by the logic-level signal. 5 bar and that the image forming composition has a viscosity of less than 100 cp. The sheet-delivery mechanism includes at least one length adjustable edge guide 16 supported between a stack support plate 14 and a cross element 15 which can be detachably connected to the frame of the sheet delivery mechanism.