1. An image forming apparatus comprising:
a body;
a developing unit mounting portion to accommodate a developing unit when the developing unit is used to perform image formation; and
a developing unit storage portion provided in the body to accommodate the developing unit, different from the developing unit mounting portion.
2. The image forming apparatus according to claim 1, wherein an optical scanning unit is disposed between the developing unit storage portion and the developing unit mounting portion.
3. The image forming apparatus according to claim 1, wherein the developing unit comprises a photosensitive body to form an electrostatic latent image, and a developing roller to supply toner to the photosensitive body,
wherein, when the developing unit is accommodated and disposed in the developing unit mounting portion, the photosensitive body forms at least one portion of a path along which a recording medium is transported.
4. The image forming apparatus according to claim 1, further comprising:
a first opening provided on a front surface of the body to allow the developing unit to enter the developing unit storage portion; and
a second opening provided on the front surface of the body to allow the developing unit to enter the developing unit mounting portion.
5. The image forming apparatus according to claim 4, further comprising a front frame to form the first opening and the second opening.
6. The image forming apparatus according to claim 5, wherein the developing unit comprises at least one first position determining protrusion protruding from a first side of the developing unit in a direction in which the developing unit enters the developing unit storage portion,
wherein the front frame comprises at least one first coupling hole formed at a position corresponding to the first position determining protrusion to be coupled to the at least one first position determining protrusion.
7. The image forming apparatus according to claim 5, wherein the developing unit comprises at least one first fixing hole formed through the first side of the developing unit,
wherein the front frame comprises at least one second fixing hole formed at a position corresponding to the at least one first fixing hole through the front frame.
8. The image forming apparatus according to claim 6, further comprising at least one guide member formed to extend in a front-back direction of the body and disposed at a lower portion of the developing unit storage portion to guide movement of the developing unit when the developing unit enters the developing unit storage portion to be accommodated therein.
9. The image forming apparatus according to claim 8, wherein the guide member comprises:
a first guide rail to guide a lower end of the developing unit; and
a second guide rail disposed on both sides of the first guide rail to guide both lateral surfaces of the developing unit.
10. The image forming apparatus according to claim 8, wherein the developing unit comprises at least one second position determining protrusion protruding from a second side of the developing unit opposite to the first side in a direction in which the developing unit enters the developing unit storage portion.
11. The image forming apparatus according to claim 10, further comprising a rear frame disposed at a position opposite to the front frame with the guide member placed between the front frame and the rear frame,
wherein the rear frame comprises at least one second coupling hole formed at a position corresponding to the first position determining protrusion to be coupled to the at least one second position determining protrusion.
12. The image forming apparatus according to claim 11, further comprising a support member coupled to an inside of the rear frame,
wherein the support member comprises at least one guide hole formed at a position corresponding to the second coupling hole through the support member to allow the second position determining protrusion to be coupled to the second coupling hole therethrough.
13. The image forming apparatus according to claim 12, wherein the support member comprises:
a first support to support the second side of the developing unit in a direction opposite to the direction in which the developing unit enters the developing unit storage portion; and
a second support protruding from the first support into the body to support an upper end of the developing unit in a direction perpendicular to the direction in which the developing unit enters the developing unit storage portion.
14. An image forming apparatus comprising:
a body;
a developing unit disposed in the body;
a first developing unit accommodating portion to accommodate the developing unit such that the developing unit is disposed apart from a path along which a recording medium is transported when the developing unit is installed in the first developing unit accommodating portion; and
at least one second developing unit accommodating portion to accommodate the developing unit such that the developing unit forms at least one portion of the path along which the recording medium is transported when the developing unit is installed in the at least one second developing unit accommodating portion.
15. The image forming apparatus according to claim 14, wherein the first developing unit accommodating portion and the second developing unit accommodating portion are disposed parallel to each other in a first direction directed from a front of the body to a back thereof.
16. The image forming apparatus according to claim 15, wherein the first developing unit accommodating portion and the second developing unit accommodating portion are disposed spaced apart from each other in a second direction perpendicular to the first direction.
17. The image forming apparatus according to claim 16, further comprising:
a front frame and a rear frame spaced apart from each other in a front-back direction of the body; and
a lower frame disposed between the front frame and the rear frame,
wherein the lower frame comprises:
a first guide member to guide movement of the developing unit when the developing unit enters the first developing unit accommodating portion to be accommodated therein; and
a second guide member disposed to be spaced apart from the first guide member in the second direction and to guide movement of the developing unit when the developing unit enters the second developing unit accommodating portion to be accommodated therein.
18. The image forming apparatus according to claim 16, further comprising a support member coupled to an inner surface of the rear frame,
wherein the support member comprises:
a first support to support the developing unit in a direction opposite to the first direction; and
a second support to support the developing unit in a third direction perpendicular to both the first direction and the second direction.
19. An image forming apparatus comprising:
a body;
a developing unit disposed in the body;
a developing unit mounting portion to accommodate the developing unit to allow the developing unit to perform image formation; and
a developing unit storage portion to accommodate the developing unit, separately from the developing unit mounting portion.
20. An image forming apparatus comprising:
a body to enable selective storage of a developing unit in one of at least two locations within the body, one of the locations including a first storage which, when the developing is stored therein, forms a portion of a path along which a recording medium is transported.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An apparatus for use in controlling and testing an underwater hydrocarbon production system, the apparatus comprising:
a plurality of well trees;
a manifold;
a unitary control center located subsea and spaced apart from the manifold and each of the plurality of trees, the unitary control center being in communication with the plurality of trees through a plurality of tree conduits extending therefrom; and
a tree control module located at the unitary control center, the tree control module being in communication with the trees through the control center and the tree conduits so that the tree control module controls operations of the trees.
2. The apparatus according to claim 1, further comprising an umbilical termination assembly disposed at an end of an umbilical extending from the surface, the umbilical termination assembly connecting to the unitary control center for supplying control signals from a remote control location to the tree control module.
3. The apparatus according to claim 1, wherein the manifold is in communication with the trees.
4. The apparatus according to claim 2, further comprising a single communication line bundle extending from the umbilical termination assembly to the unitary control centre.
5. The apparatus according to claim 1, further comprising:
a manifold conduit extending from the unitary control centre to the manifold; and
a manifold control module located at the unitary control centre, the manifold control module being in communication with the manifold through the unitary control centre and the manifold conduit so that the manifold control module controls operations of the manifold.
6. The apparatus according to claim 5, further comprising an umbilical termination assembly disposed at an end of an umbilical extending from the surface, the umbilical termination assembly connecting to the unitary control centre for supplying control signals from a remote control location to the tree control module and the manifold control module.
7. The apparatus according to claim 6, further comprising a single communication line bundle extending from the umbilical termination assembly to the unitary control centre.
8. An apparatus for use in controlling and testing an underwater hydrocarbon production system, the apparatus comprising:
a plurality of well trees;
a manifold;
a unitary control centre located subsea and spaced apart from the manifold and each of the plurality of trees, the unitary control centre being in communication with the plurality of trees through tree conduits extending therefrom, the unitary control centre being in communication with the manifold through a manifold conduit extending therefrom;
a tree control module located at the unitary control centre, the tree control module being in communication with the trees through the control centre and the tree conduits so that the tree control module controls operations of the trees; and
a manifold control module located at the unitary control centre, the manifold control module being in communication with the manifold through the unitary control centre and the manifold conduit so that the manifold control module controls operations of the manifold.
9. The apparatus according to claim 8, further comprising an umbilical termination assembly disposed at an end of an umbilical extending from the surface, the umbilical termination assembly connecting to the unitary control centre for supplying control signals from a remote control location to the tree control module.
10. The apparatus according to claim 9, further comprising a single communication line bundle extending from the umbilical termination assembly to the unitary control centre.
11. The apparatus according to claim 8, wherein the manifold is in communication with the trees.
12. The apparatus according to claim 8, further comprising an umbilical termination assembly disposed at an end of an umbilical extending from the surface, the umbilical termination assembly connecting to the unitary control centre for supplying control signals from a remote control location to the tree control module and the manifold control module.
13. The apparatus according to claim 12, further comprising a single communication line bundle extending from the umbilical termination assembly to the unitary control centre.
14. An apparatus for use in controlling and testing an underwater hydrocarbon production system, the apparatus comprising:
a plurality of well trees;
a manifold;
a unitary control centre located subsea and spaced apart from the manifold and each of the plurality of trees, the unitary control centre being in communication with the plurality of trees through tree conduits extending therefrom, the unitary control centre being in communication with the manifold through a manifold conduit extending therefrom;
a tree control module located at the unitary control centre, the tree control module being in communication with the trees through the control centre and the tree conduits so that the tree control module controls operations of the trees;
a manifold control module located at the unitary control centre, the manifold control module being in communication with the manifold through the unitary control centre and the manifold conduit so that the manifold control module controls operations of the manifold; and
an umbilical termination assembly disposed at an end of an umbilical extending from the surface, the umbilical termination assembly connecting to the unitary control centre for supplying control signals from a remote control location to the tree control module and the manifold control module.
15. The apparatus according to claim 14, further comprising a single communication line bundle extending from the umbilical termination assembly to the unitary control centre.