Patent ID: 7559635

Claim:
A supply cartridge for containing a supply of imaging substance, comprising: a cartridge body; and a light pipe attached to said cartridge body, said light pipe having: a first light output a second light output, and a light input for receiving light from an external light source, wherein a position of said light pipe with respect to said cartridge body is dependent on a characteristic of said supply cartridge, and wherein said characteristic is one of a cartridge manufacturer or vendor, the light pipe further includes: a first light pipe segment for collecting light received from said light input and directing said light in a first direction toward said first light output; and a reflective surface positioned to intersect said light in said first direction and redirect a portion of said light in a second direction different from said first direction toward said second light output, wherein said second light output is an illumination device positioned on said cartridge body to receive said light in said second direction, said illumination device illuminating upon receiving said light in said second direction to provide a visual feedback indicating successful reception of said light in said first direction.