Described embodiments include a system and method. A print sheet media management system includes a feeder apparatus configured to transfer a sheet from a stack of printable sheet media to a print engine. The system includes a weight sensor configured to sense a weight of the stack of printable sheet media. The system includes an evaluation circuit configured to estimate the number of sheets in the stack of printable sheet media in response to (i) a sensed weight of the stack of printable sheet media before a sheet of the stack of printable sheet media is transferred and (ii) a sensed weight of the stack of printable sheet media after the sheet of printable sheet media is transferred. The system includes a communications circuit configured to transmit data indicative of the estimated number of printable sheets in the stack of printable sheet media.

A winder for forming a yarn package can have a spindle axis. The winder can comprise a spindle that is configured to be rotatably driven about the spindle axis. A color probe can be positioned with respect to the spindle to measure a color value of yarn wound on the spindle.