In an unusual move, the frame of the machine appears to come from a set ... and using the position encoders from the inkjet printers he is able to make it a closed loop device.

Well, when [Emily Velasco] found a vintage Kodak Diconix 150 inkjet at a local thrift store for $4, she knew what she had to do: turn it into a dedicated ASCII-art machine. Dating to the mid-1980s ...