An optical transceiver measures optical density of a toned image. The optical transceiver comprises: a) a bifurcated optical bundle having first and second branches and a common end, each branch having a first plurality of fibers and a second plurality of fibers, respectively, wherein the branches are intermixed in the common end; b) a radiation source for producing radiation, wherein the radiation source is aligned with the first branch; c) a detector for detecting the radiation, wherein the detector is aligned with the second branch; and d) a toner receptor having a surface, wherein the toned image is on the surface and the toner receptor is aligned with the common end.

 
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