1. An image forming apparatus including a plurality of photosensitive bodies on which electrostatic latent images are formed, an intermediate transfer belt to contact the photosensitive bodies and transfer a toner image to a paper, a first transfer roller, a second transfer roller, and a cleaning blade to remove residual toner from the intermediate transfer belt, the apparatus comprising a control unit to:
start the intermediate transfer belt in response to a print command; to calculate an intermediate transfer belt moving time (T1) during which a paper first edge position (E1) on the intermediate transfer belt reaches the cleaning blade; and
stop the intermediate transfer belt when the paper first edge position (E1) is disposed adjacent to the cleaning blade,
wherein the paper first edge position (E1) is a position on the intermediate transfer belt where a first edge of the paper is disposed during the transfer of the toner image.
2. The image forming apparatus according to claim 1, wherein the controller calculates the intermediate transfer belt moving time (T1) according to:
a distance between a nip point (P1) where the intermediate transfer belt contacts and the second transfer roller and a contact point (P2) where the intermediate transfer belt contacts the cleaning blade; and
a linear velocity of the intermediate transfer belt.
3. The image forming apparatus according to claim 2, wherein:
the control unit is to compare a print time (T2) to the intermediate transfer belt moving time (T1); and
the print time (T2) is a time period during which the toner image is transferred to the paper.
4. The image forming apparatus according to claim 2, wherein the control unit is to: derive an actual image arriving time (T3) according to an interval between the paper first edge position (E1) and an image first edge position (E2), and the linear velocity of the intermediate transfer belt,
wherein the image first edge position (E2) is a position on the intermediate transfer belt where a first edge of the toner image is disposed; and
stop the intermediate transfer belt when the image first edge position (E2) is located adjacent to the cleaning blade in accordance with the actual image arriving time (T3).
5. An image forming apparatus including a plurality of photosensitive bodies on which electrostatic latent images are formed, an intermediate transfer belt which contacts the photosensitive bodies and transfers a toner image to a paper, a first transfer roller, a second transfer roller and a cleaning blade which removes residual toner from the intermediate transfer belt after transfer, the image forming apparatus comprising a control unit to:
start the intermediate transfer belt in response to an input print command;
derive an intermediate transfer belt moving time (T1) according to a distance between a nip point (P1) where the intermediate transfer belt contacts the second transfer roller and a contact point (P2) where the intermediate transfer belt contacts the cleaning blade, and a linear velocity of the intermediate transfer belt; determine whether a moving time of the image first end position (E2) reaches the intermediate transfer belt moving time (T1), in accordance with when an image first end (E2) on the intermediate transfer belt passes by the nip point (P1); and
stop the intermediate transfer belt if the moving time of the image first end position (E2) reaches the intermediate transfer belt moving time (T1).
6. A method of controlling an image forming apparatus including a plurality of photosensitive bodies on which electrostatic latent images are formed, an intermediate transfer belt which contacts the photosensitive bodies and transfers toner images to a paper, a first transfer roller, a second transfer roller and a cleaning blade which removes residual toner on the intermediate transfer belt after transfer, the method comprising:
driving the intermediate transfer belt to transfer the toner images to the paper in response to a first input print command;
calculating an intermediate transfer belt moving time (T1) during which a paper first edge position (E1) on the intermediate transfer belt reaches the cleaning blade; and
stopping the intermediate transfer belt when a paper first edge position (E1) is disposed adjacent to the cleaning blade; and
driving the intermediate transfer belt to remove the residual toner from the intermediate transfer belt in response to a second input print command.
7. The method according to claim 6, comprising:
determining whether a moving time of the paper first edge position (E1) reaches the intermediate transfer belt moving time (T1); and
stopping the intermediate transfer belt if the moving time of the paper first edge position (E1) reaches the intermediate transfer belt moving time (T1).
8. The method according to claim 7, wherein the determining comprises:
calculating an actual image arriving time (T3) using an interval between the paper first edge position (E1) and an image first edge position (E2), which a position on which toner remains on the intermediate transfer belt, and the linear velocity of the intermediate transfer belt;
determining whether the moving time of the paper first edge position (E1) reaches the intermediate transfer belt moving time (T1); and
if determined that the moving time of the paper front end (E1) reaches the intermediate transfer belt moving time (T1), continuing the driving of the intermediate transfer belt until the actual image arriving time (T3) elapses and then stopping the intermediate transfer belt.
9. A method of controlling an image forming apparatus including a plurality of photosensitive bodies on which electrostatic latent images are formed, an intermediate transfer belt which contacts the photosensitive bodies and transfers toner images to a paper, a first transfer roller, a second transfer roller and a cleaning blade which removes residual toner on the intermediate transfer belt after transfer, the method comprising:
driving the intermediate transfer belt;
calculating an intermediate transfer belt moving time (T1) according to a distance between a nip point (P1), which is a contact point between the intermediate transfer belt and the second transfer roller, and a contact point (P2) which is a contact point between the intermediate transfer belt and the cleaning blade, and a linear velocity of the intermediate transfer belt;
determining whether an image first edge position (E2) on the intermediate transfer belt passes by the nip point (P1);
if determined that the image first edge position (E2) passes by the nip point (P1), determining whether a moving time of the image first edge position (E2) reaches the intermediate transfer belt moving time (T1); and
if it is determined that the moving time of the image first edge position (E2) reaches the intermediate transfer belt moving time (T1), stopping the intermediate transfer belt.
10. The image forming apparatus according to claim 3, wherein the control unit is to control the intermediate transfer belt to be further driven for a time difference (T1-T2) and then stopped, if the print time (T2) is shorter than the intermediate transfer belt moving time (T1).
11. The image forming apparatus according to claim 3, wherein the control unit is to stop the intermediate transfer belt when the print time (T2) elapses, if the print time (T2) is longer than the intermediate transfer belt moving time (T1).
12. The image forming apparatus according to claim 5, wherein the controller is to stop the intermediate transfer belt when the paper first edge position (E1) is disposed adjacent to the cleaning blade.
13. The method according to claim 7, wherein the calculating of the moving time of the paper first edge position (T1) comprises using:
a distance between a nip point (P1) where the intermediate transfer belt contacts the second transfer roller, and a contact point (P2) where the intermediate transfer belt contacts the cleaning blade; and
a linear velocity of the intermediate transfer belt.
14. The method of claim 8, wherein the image first edge position (E2) is a position on the intermediate transfer belt where a first edge of the toner image is disposed.
15. A method of controlling an image forming apparatus including a plurality of photosensitive bodies on which electrostatic latent images are formed, an intermediate transfer belt which contacts the photosensitive bodies and transfers a toner image to a paper, a first transfer roller, a second transfer roller and a cleaning blade which removes residual toner from the intermediate transfer belt after transfer, the method comprising:
driving the intermediate transfer belt in response to an first input print command;
calculating an intermediate transfer belt moving time (T1) during which a paper first edge position (E1) on the intermediate transfer belt reaches the cleaning blade;
calculating an actual image arriving time (T3) during which an image first edge position (E1) on the intermediate transfer belt reaches the cleaning blade,
wherein the paper first edge position (E1) is a position on the intermediate transfer belt where a first edge of the paper is disposed during the transfer of the toner image, and the image first edge position (E2) is a position on the intermediate transfer belt where a first edge of the toner image is disposed; and
stopping the inter-mediate transfer belt:
when the actual image arriving time (T3) elapses, if the actual image time arriving time is greater than the intermediate transfer belt moving time; and
when the intermediate transfer belt moving time (T1) elapses, if the actual image arriving time is less than the intermediate transfer belt moving time.
16. The method of claim 15, wherein the calculating of the intermediate transfer belt moving time (T1) comprises using:
a distance between a nip point (P1) where the intermediate transfer belt contacts the second transfer roller, and a contact point (P2) where the intermediate transfer belt contacts the cleaning blade; and
a linear velocity of the intermediate transfer belt.
17. The method of claim 15, wherein the calculating of the actual image arriving time (T3) comprises using:
an interval between the paper first edge position (E1) and the image first edge position (E2); and
a linear velocity of the intermediate transfer belt.
18. The method of claim 15, wherein the stopping comprises stopping the paper first edge position (E1) adjacent to the cleaning blade.
19. The method of claim 15, wherein the stopping comprises stopping the image first edge position (E2) adjacent to the cleaning blade.
20. The method of claim 15, further comprising driving the intermediate transfer belt to remove the residual toner from the intermediate transfer belt in response to a second input print command.
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. A method for placing a trade order for a commodity on an electronic exchange with a highest bid price and a lowest ask price on an electronic display device, said method comprising:
consolidating price levels on a common static price axis for the commodity into a plurality of consolidated price levels such that each of the plurality of consolidated price levels corresponds to a combined plurality of price levels available for the commodity;
dynamically displaying, in a bid display region, a consolidated bid indicator for said commodity in a first location associated with a first consolidated price level, the consolidated bid indicator representing a quantity associated with a first plurality of price levels within the first consolidated price level;
dynamically displaying, in an ask display region, a consolidated ask indicator for said commodity in a second location associated with a second consolidated price level, the consolidated ask indicator representing a quantity associated with a second plurality of price levels within the second consolidated price level;
displaying an order entry region comprising a plurality of locations for receiving commands aligned with the common static price axis of consolidated price levels for receiving commands to send trade orders for the commodity, wherein each of the plurality of locations for receiving commands is associated with a consolidated price level;
establishing an order allocation rule to be used to allocate an order quantity of a trade order to at least one price level of a consolidated price level selected for the trade order;
selecting a particular location in the order entry region with a user input device to send a trade order for an order quantity to the electronic exchange, the particular location corresponding to a consolidated price level;
using the order allocation rule to allocate the order quantity of the trade order among a plurality of price levels of the consolidated price level of the particular location;
generating at least one trade order based on the allocated order quantity; and
sending the at least one trade order to the electronic exchange.
2. The method of claim 1, wherein the bid display region and the ask display region comprise columns.
3. The method of claim 1, wherein the bid display region and the ask display region comprise rows.
4. The method of claim 1, wherein the bid display region and the ask display region are oriented vertically.
5. The method of claim 1, wherein the bid display region and the ask display region are oriented horizontally.
6. The method of claim 1, wherein a number of price levels that is consolidated into a consolidated price level is adjustable by a user.
7. The method of claim 1, further comprising:
displaying the common static price axis of consolidated prices in a price display region.
8. The method of claim 1, further comprising:
displaying a bid order entry region comprising a plurality of locations for receiving commands to send buy orders; and
displaying an ask order entry region comprising a plurality of locations for receiving commands to send sell orders.
9. The method of claim 8, wherein the bid order entry region overlaps the bid display region, and wherein the ask order entry region comprises the ask display region.
10. The method of claim 1, wherein the order allocation rule comprises a rule that allocates the order quantity of the trade order to a preselected price level to buy or sell the commodity in the consolidated price level selected for the trade order.
11. The method of claim 1, wherein the order allocation rule comprises a rule that allocates the order quantity between price levels of the consolidated price level selected for the trade order.
12. The method of claim 11, wherein the rule randomly allocates the order quantity between the price levels of the consolidated price level selected for the trade order.
13. The method of claim 11, wherein the rule evenly allocates the order quantity between the price levels of the consolidated price level selected for the trade order.
14. The method of claim 11, wherein the rule allocates the order quantity between the price levels of the consolidated price level according to an established weighted distribution formula.
15. The method of claim 11, wherein the rule allocates the order quantity between the price levels of the consolidated price level based on an established percentage allocation formula.
16. The method of claim 1, wherein selecting the particular location in the order entry region with the user input device comprises selecting the particular location through a single action of the user input device with a pointer of the user input device positioned over the particular location.
17. The method of claim 16, wherein the single action consists a single click of a mouse button.
18. The method of claim 16, wherein the single action consists a double click of a mouse button.
19. A computer readable medium having program code recorded thereon for execution on a computer for placing a trade order for a commodity on an electronic exchange with a highest bid price and a lowest ask price, the program code causing a machine to perform the following method steps:
consolidating price levels on a common static price axis for the commodity into a plurality of consolidated price levels such that each of the plurality of consolidated price levels corresponds to a combined plurality of price levels available for the commodity;
dynamically displaying, in a bid display region, a consolidated bid indicator for said commodity in a first location associated with a first consolidated price level, the consolidated bid indicator representing a quantity associated with a first plurality of price levels within the first consolidated price level;
dynamically displaying, in an ask display region, a consolidated ask indicator for said commodity in a second location associated with a second consolidated price level, the consolidated ask indicator representing a quantity associated with a second plurality of price levels within the second consolidated price level;
displaying an order entry region comprising a plurality of locations aligned with the common static price axis of consolidated prices for receiving commands to send trade orders for the commodity, wherein each of the plurality of locations for receiving commands is associated with a consolidated price level;
establishing an order allocation rule to be used to allocate an order quantity of a trade order to at least one price level of a consolidated price level selected for the trade order;
selecting a particular location in the order entry region with a user input device to send a trade order for an order quantity to the electronic exchange, the particular location corresponding to a consolidated price level;
using the order allocation rule to allocate the order quantity of the trade order among a plurality of price levels of the consolidated price level of the particular location;
generating at least one trade order based on the allocated order quantity; and
sending the at least one trade order to the electronic exchange.