27 retained thereon is positioned in carriage assembly 24 which can be readily removably positioned in mechanism 17 the thin walled tube 26 may be disposable or reusable and may be made from cardboard plastic etc also the tube 26 may be omitted with the recording median merely being in the form of a roll the carriage assembly 24 includes a u shaped structure body or housing 28 supported by a plurality of wheels 29 which cooperate with tracks 25 and located within structure 28 are a plurality of rollers 30 on which the roll of recording or imaging medium 27 is supported the recording medium 27 is supported on rollers 30 in carriage assembly 24 such that the recording or imaging medium 27 can be easily rotated and the recording medium removable from the u shaped structure 28 for example the recording medium may constitute a single roll having a width equal to the capacity of the machine or other widths or combinations thereof depending on the size type or material of the medium desired for the image to be recorded thereon the recording or imaging medium 27 may be paper vinyl or other sheet material compatible with the type of ink being deposited thereon the tracks 25 may be omitted and wheels 29 may be replaced with other types providing use of different docking mechanism whereby the carriage assembly can be easily and quickly positioned in a desired location in or attached to frame 23 of mechanism 17 while not shown the carriage.