A printer comprising: a main body including a communicating portion; a development cartridge attachable to and detachable from the main body, the development cartridge to supply toner contained in a toner container to an electrostatic latent image formed on a photoconductor, to form a visible toner image; a toner refilling portion to be connected to the toner container, the toner refilling portion comprising a mounting portion into which a toner cartridge is insertable from outside the main body through the communicating portion to be mounted to the mounting portion, a toner inlet portion provided in the mounting portion to receive toner from the toner cartridge when the toner cartridge is mounted to the mounting portion, and an inlet shutter that is switchable between a blocking position where the toner inlet portion is blocked from receiving toner, and an inlet position where the toner inlet portion is open to receive toner; a first latch member switchable between a first position where the inlet shutter is locked from switching between the blocking position and the inlet position, and a second position where switching of the inlet shutter is allowed to switch between the blocking position and the inlet position; and a switching unit to switch the first latch member between the first position and the second position; wherein the toner refilling portion comprises a first latching portion provided in the inlet shutter, to catch the first latch member in the first position when the inlet shutter is in the blocking position, characterised in that the toner refilling portion comprises a second latching portion provided in the inlet shutter, to catch the first latch member in the first position when the inlet shutter is in the inlet position. a main body including a communicating portion; a development cartridge attachable to and detachable from the main body, the development cartridge to supply toner contained in a toner container to an electrostatic latent image formed on a photoconductor, to form a visible toner image; a toner refilling portion to be connected to the toner container, the toner refilling portion comprising a mounting portion into which a toner cartridge is insertable from outside the main body through the communicating portion to be mounted to the mounting portion, a toner inlet portion provided in the mounting portion to receive toner from the toner cartridge when the toner cartridge is mounted to the mounting portion, and an inlet shutter that is switchable between a blocking position where the toner inlet portion is blocked from receiving toner, and an inlet position where the toner inlet portion is open to receive toner; a mounting portion into which a toner cartridge is insertable from outside the main body through the communicating portion to be mounted to the mounting portion, a toner inlet portion provided in the mounting portion to receive toner from the toner cartridge when the toner cartridge is mounted to the mounting portion, and an inlet shutter that is switchable between a blocking position where the toner inlet portion is blocked from receiving toner, and an inlet position where the toner inlet portion is open to receive toner; a blocking position where the toner inlet portion is blocked from receiving toner, and an inlet position where the toner inlet portion is open to receive toner; a first latch member switchable between a first position where the inlet shutter is locked from switching between the blocking position and the inlet position, and a second position where switching of the inlet shutter is allowed to switch between the blocking position and the inlet position; and a first position where the inlet shutter is locked from switching between the blocking position and the inlet position, and a second position where switching of the inlet shutter is allowed to switch between the blocking position and the inlet position; and a switching unit to switch the first latch member between the first position and the second position; wherein the toner refilling portion comprises a first latching portion provided in the inlet shutter, to catch the first latch member in the first position when the inlet shutter is in the blocking position, characterised in that the toner refilling portion comprises a second latching portion provided in the inlet shutter, to catch the first latch member in the first position when the inlet shutter is in the inlet position.