Patent ID: 7108350
Filing Date: 2006-09-19
Classification: B41J

Abstract:
1. A liquid-discharging apparatus for forming a dot array or a dot by discharging liquid, comprising: a main assembly; a detachable liquid-discharging head provided in the main assembly to receive a predetermined liquid from a liquid container and to discharge the liquid through a plurality of liquid-discharging nozzles provided on a nozzle surface; a detachable head cap mounted on the liquid-discharging head to move relative to the liquid-discharging head and to protect the nozzle surface, the head cap including a cleaning member for wiping the nozzle surface while moving, and a waste-liquid receiver for receiving waste liquid idly discharged from the liquid-discharging nozzles; a first storage unit for storing the accumulated work volume of the cleaning member during a period from the beginning of use of the apparatus to the present time; a second storage unit for storing the accumulated work volume of the waste-liquid receiver during the period; and an information output unit for receiving the work volumes from the first and second storage units and for outputting both of or the larger one of the work volumes.