Toner cartridge and image forming apparatus

A toner cartridge comprising:

• (i) a casing including (i-i) a toner accommodation chamber accommodating toner, and (i-ii) a discharge opening capable of discharging the toner;
• (ii) a first engaging portion forming an opening;
• (iii) a second engaging portion forming an opening;
• (iv) a feeding member movable relative to the casing and configured to feed the toner in the toner accommodation chamber toward the discharge opening;
• (v) a pump configured to discharge the toner through the discharge opening by using air;
• and
• (vi) a storing element provided with an electrical contact,
• wherein the pump is provided with a connecting portion connected to the casing, and
• wherein, as viewed in a feeding direction of the toner by the feeding member, the electrical contact of the storing element and the connecting portion of the pump are on opposite sides from each other with respect to a line connecting the first engaging portion and the second engaging portion.