Ink container for ink jet printer, holder for the container, carriage for the holder and ink jet printer

An ink container holder according to claim 18, wherein said holder is mounted on a carriage reciprocally movable, and said holder further comprises a positioning portion, on a first side, for positioning the ink container;

• an electric contact for electric connection with head contacts of an ink jet head mounted to said ink container;
• a guiding member, resiliently supported on a second side, for engagement with an engaging portion of said ink container holder.

An ink container holder for holding an ink container for containing ink to be supplied to an ink jet head with which said ink container is integral, said ink container holder is detachably mountable to a carriage reciprocally movable, comprising:

• the improvement residing in that first operating portion for mounting and demounting of said ink container and a second operating portion for mounting and demounting thereof relative to the carriage, are provided in a same side relative to a movement direction of said carriage.

A carriage according to claim 30, further comprising two bearings on a guiding shaft and two sandwiching portions for sandwiching the guiding shaft, and a distance between members constituting one of said sandwiching portions is larger than a distance between members constituting the other of said sandwiching portions.

A combination of a first and second ink containers, for being mounted to an ink container holder for holding a plurality of ink containers, and detachably mountable to a reciprocable carriage, comprising:

• a first mark indicative of a first color of the ink, corresponding to a first mark on said ink holder;
• a second mark indicative of a second color of the ink, corresponding to a second mark on aid ink holder.

An ink jet recording apparatus, comprising:

• a reciprocable carriage;
• a holder having an integral ink jet head, said holder being detachably mountable to said carriage;
• ink containers each detachably mountable to said holder by engagement and disengagement between an engaging portion and a latching claw of each of said ink containers, which have different colors.