Recording sheets containing tetrazolium indolinium, and imidazol

Recording sheets for ink jet printing processes

Recording sheets for printing processes using microwave drying

Recording system capable of recording information...

Recording system having a plurality of controllers arranged...

Recording systems and recording units employed in the recording

Recording unit and image recording apparatus

Recording unit and ink jet type recording apparatus equipped...

Recording unit, image recording apparatus and image...

Recording-density control method of image recording apparatus

Recording-density control method of image recording apparatus

Recording-head driving device for driving recording head

Recording-head substrate, recording head, and recording...

Recording-medium conveying device conveying a recording...

Recording-medium conveying device conveying a recording...

Recording-medium-residual-quantity detecting device,...

Recovering apparatus for recovering a status of an ink jet...

Recovering apparatus for recovering a status of an ink jet...

Recovery device and recovery method

Recovery device having a protruding portion providing reduced pr