A travel mat having a plurality of activities for young children attached to and distributed thereon is described. A sheet discharging unit discharges the recording sheet and a recording sheet discharging tray stacks recording sheets discharged from the sheet discharging unit in a space formed above the scanning unit. The nozzle 22 is displaceable toward the substrate 16 for effecting ink ejection from the nozzle chamber 34 through the nozzle opening 24 on demand. In other words, the charge removing device attains a good durability for a long time. \u201d A winning claim is worth N times the original value of the claim. Related apparatuses and compounds also are disclosed.