Printing apparatus and a liquid storage tank that has first and second ribs and an absorber for absorbing a printing agent

Abstract

A printing apparatus including a printing unit for printing on a medium, a liquid storage tank storing the printing agent and supplied with the printing agent through a pipe provided to the storage tank so as to extend in a first direction and a holder including a hole portion in which to insert the pipe and a cap that closes and opens the pipe inserted in the hole portion, and positioned in the first direction relative to the storage tank and. The storage tank has a first rib with which a container for supplying the storage tank with the printing agent to be housed therein through the pipe is brought into abutment around the pipe when the container is inserted into the hole portion, a second rib formed to surround a predetermined region connected to a region surrounded by the first rib, and an absorber for absorbing the printing agent.