Image-forming device and cartridge mountable in the same

1. An image-forming device comprising:

a cartridge comprising:

a first cartridge configured to store developer therein; and

a second cartridge configured to detachably accommodate the first cartridge; and

a main body including a cartridge receiving section configured to receive the cartridge, the first cartridge being attachable to the second cartridge in a state where the second cartridge, without the first cartridge, is mounted in the cartridge receiving section, the first cartridge being configured to be restricted from being detached from the second cartridge in a state where the first cartridge and the second cartridge are both mounted in the cartridge receiving section,

wherein the second cartridge comprises a lock lever configured to pivot between a restricting position and a non-restricting position, the lock lever at the restricting position restricting detachment of the first cartridge from the second cartridge, the lock lever at the non-restricting position allowing detachment of the first cartridge from the second cartridge, the lock lever being resiliently deformable to allow attachment of the first cartridge to the second cartridge when the second cartridge is already mounted in the cartridge receiving section,

wherein the first cartridge comprises a protrusion configured to be restricted by the lock lever and to oppose the lock lever, the lock lever opposing the protrusion restricting the detachment of the first cartridge from the second cartridge, and

wherein the main body further comprises an opposing member provided in the cartridge receiving section and configured to fix the lock lever in the restricting position, the opposing member being configured to contact the lock lever to restrict the lock lever from pivoting from the restricting position to the non-restricting position when the second cartridge is mounted in the cartridge receiving section.

2. The image-forming device as claimed in claim 1 , wherein the first cartridge is configured to be removed from the cartridge receiving section together with the second cartridge in a state where the first cartridge and the second cartridge are both mounted in the cartridge receiving section.

3. The image-forming device as claimed in claim 1 , wherein the lock lever at the restricting position is configured to resiliently deform to allow attachment of the first cartridge to the second cartridge and to restrict detachment of the first cartridge from the second cartridge.

4. The image-forming device as claimed in claim 1 , wherein the first cartridge is configured to be attached to the second cartridge in an attaching direction,

wherein the lock lever comprises a first surface and a second surface, the first surface being oriented generally in the attaching direction and the second surface being oriented in a direction intersecting the attaching direction when the lock lever is in the restricting position,

wherein the protrusion comprises a third surface extending along the first surface and a fourth surface extending along the second surface, and

wherein the third surface is configured to make contact with the first surface during attachment of the first cartridge to the second cartridge that has been mounted in the cartridge receiving section, the fourth surface facing the second surface upon completion of the attachment of the first cartridge to the second cartridge when the second cartridge is already mounted in the cartridge receiving section.

5. The image-forming device as claimed in claim 4 , wherein the lock lever is configured to pivot between the restricting position and the non-restricting position about a pivot fulcrum, the lock lever further comprising an abutting part configured to abut on the opposing member, the abutting part being positioned farther away from the pivot fulcrum than the first surface is from the pivot fulcrum.

6. The image-forming device as claimed in claim 1 , wherein the cartridge is elongated in a longitudinal direction,

wherein the first cartridge comprises a first grip configured to be gripped by an operator, and

wherein the second cartridge comprises a second grip configured to be gripped by the operator, the first grip and the second grip being provided at positions different from each other in the longitudinal direction.

7. The image-forming device as claimed in claim 1 , wherein the first cartridge is configured to be attached to the second cartridge when the second cartridge is already mounted in the cartridge receiving section in an attaching direction, and

wherein the cartridge is configured to be mounted in the cartridge receiving section generally in the attaching direction.

8. The image-forming device as claimed in claim 7 , wherein the cartridge is configured to be pivoted in a pivoting direction to be mounted in the cartridge receiving section, and

wherein the first cartridge is configured to be pivoted generally in the pivoting direction to be attached to the second cartridge when the second cartridge is already mounted in the cartridge receiving section.

9. The image-forming device as claimed in claim 7 , wherein the main body comprises a guide part configured to guide mounting of the cartridge relative to the cartridge receiving section.

10. The image-forming device as claimed in claim 1 , wherein the main body is formed with a device opening through which the cartridge receiving section can be exposed, and

wherein the second cartridge comprises a first-cartridge attachment portion configured to receive the first cartridge therein, the first-cartridge attachment portion being exposed through the device opening in a state where the second cartridge alone is mounted in the cartridge receiving section.

11. The image-forming device as claimed in claim 10 , wherein the cartridge receiving section and the first-cartridge attachment portion are colored in colors different from each other.

12. The image-forming device as claimed in claim 10 , wherein the second cartridge comprises:

a first frame provided with the first-cartridge attachment portion and colored in a first color; and

a second frame assembled to the first frame to expose the first-cartridge attachment portion and colored in a second color different from the first color.

13. The image-forming device as claimed in claim 1 , wherein the first cartridge comprises a developer carrier configured to carry the developer, and

wherein the second cartridge comprises a photosensitive body configured to contact the developing carrier.

14. The image-forming device as claimed in claim 13 , wherein the second cartridge further comprises a charger configured to charge the photosensitive body.