Patent ID: 11912041
Assignee: RICOH COMPANY, LTD.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. The method of claim 7 wherein the jetting channels comprise flow-through jetting channels, the method further comprising:
controlling a second internal pump within the printhead, wherein the printhead further comprises a second manifold internal to the printhead that is configured to convey non-jetted print fluid from the flow-through jetting channels to an outlet of the printhead, and the second internal pump disposed at the second manifold, and wherein the second internal pump includes a second pump diaphragm that defines a wall of the second manifold, and a second actuator configured to displace the second pump diaphragm;
wherein the controlling the second internal pump comprises:
controlling the second actuator to retract the second pump diaphragm to draw the non-jetted print fluid from the flow-through jetting channels into the second manifold; and
controlling the second actuator to extend the second pump diaphragm to discharge the non-jetted print fluid from the second manifold through the outlet.