System including a reservoir configured to store liquid and a tank to which the reservoir can be connected

A system comprising:

• a reservoir configured to store liquid;
• a tank including a flow pipe configured to connect to the reservoir;
• a housing that includes a conveyance path that extends in a depth direction intersecting a height direction of the housing and through which a sheet passes;
• a liquid discharge head that is disposed inside the housing and configured to eject the liquid supplied from the tank;
• and
• a holder that is disposed on one side of the conveyance path inside the housing in a width direction perpendicular to the height direction and the depth direction and has an opening disposed at an upper end of the holder such that the reservoir is configured to be mounted into the holder through the opening to connect to the flow pipe of the tank;
• wherein the holder includes a front wall that defines a front end of the holder in the depth direction and that has a front opening configured to face the reservoir in a state where the reservoir is mounted into the holder.