Patent ID: 11904612
Assignee: KYOCERA DOCUMENT SOLUTIONS INC.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. An inkjet recording apparatus, comprising:
a head unit capable of discharging ink; and
a waste liquid collection apparatus that collects a liquid discharged from the head unit as a waste liquid in maintenance processing for the head unit, wherein the waste liquid collection apparatus includes:
a waste liquid tray that is disposed away from the head unit, the waste liquid tray including a waste liquid receiving surface inclined downward to receive the waste liquid discharged from the head unit and allow the waste liquid to flow from an upper end to a lower end of the waste liquid receiving surface, and a waste liquid discharge part that is disposed adjacent to the lower end of the waste liquid receiving surface to discharge the waste liquid having flowed along the waste liquid receiving surface;
a storage hopper that temporarily stores the waste liquid discharged from the waste liquid discharge part;
a collection tank that collects a first part of the waste liquid;
a collection pump connected between the storage hopper and the collection tank and feeding the first part of the waste liquid discharged from the waste liquid discharge part to the collection tank; and
a circulation pump that returns a second part of the waste liquid discharged from the waste liquid discharge part to the upper end of the waste liquid receiving surface to circulate the second part of the waste liquid; wherein
the waste liquid collection apparatus further includes:
a first pipe route connecting the storage hopper and the collection tank; and
a second pipe route that is different from the first pipe route, the second pipe route being a circulating route connecting the storage hopper and the waste liquid tray.