US-12623869-B2 - Control method and device of optional paper tray

US12623869B2US 12623869 B2US12623869 B2US 12623869B2US-12623869-B2

Abstract

A control method and a control device of an optional paper tray are provided. The control method is applied to an image forming device, and include: according to a position of a bottom plate of the optional paper tray, determining whether a triggering condition for lifting the bottom plate is met; and using a paper feeding driving unit of the optional paper tray to drive the bottom plate of the optional paper tray to be lifted when the triggering condition for lifting the bottom plate is met. The paper feeding driving unit is used to transport paper in the optional paper tray.

Inventors

Xiaohua Zhou

Assignees

ZHUHAI PANTUM ELECTRONICS CO., LTD.

Dates

Publication Date: 20260512
Application Date: 20240624
Priority Date: 20230625

Claims (20)

1 . A control method of an optional paper tray, performed by an image forming device, the method comprising: according to a position of a bottom plate of the optional paper tray, determining whether a triggering condition for lifting the bottom plate is met; determining whether the paper feeding driving unit of the optional paper tray is feeding the paper in a first rotational state when the triggering condition for lifting the bottom plate is met; and using a paper feeding driving unit of the optional paper tray to drive the bottom plate of the optional paper tray to be lifted when the triggering condition for lifting the bottom plate is met, wherein the paper feeding driving unit is used to transport paper in the optional paper tray.
2 . The method according to claim 1 , wherein using the paper feeding driving unit of the optional paper tray to drive the bottom plate of the optional paper tray to be lifted when the triggering condition for lifting the bottom plate is met includes: when the paper feeding driving unit of the optional paper tray is feeding the paper in the first rotational state, after finishing a feeding operation of current paper, controlling the paper feeding driving unit to execute a second rotating state to drive the bottom plate of the optional paper tray to be lifted; and when the paper feeding driving unit is not feeding the paper in the first rotational state, controlling the paper feeding driving unit to execute a second rotating state to drive the bottom plate of the optional paper tray to be lifted.
3 . The method according to claim 1 , wherein: the paper feeding driving unit is connected to a paper feeding execution unit in the optional paper tray through a first transmission structure, and the paper feeding driving unit is also connected to the bottom plate of the optional paper tray through a second transmission structure; when the paper feeding driving unit executes the first rotation state, a gear of the paper feeding driving unit engages with a gear on the first transmission structure to drive the paper feeding execution unit to feed paper; and when the paper feeding driving unit executes the second rotation state, the gear of the paper feeding driving unit is moved to be separated from the first transmission structure and engage with a gear on the second transmission structure to control lift or lowering of the bottom plate of the optional paper tray.
4 . The method according to claim 2 , wherein after finishing the feeding operation of the current paper, controlling the paper feeding driving unit to execute the second rotating state, includes: determining whether target paper being transported by the paper feeding driving unit completes the paper feeding operation, and suspending transportation of next paper of the target paper; and when it is determined that the transportation of the target paper is completed, controlling the paper feeding driving unit to execute the second rotational state.
5 . The method according to claim 4 , wherein determining whether the target paper being transported by the paper feeding driving unit completes the paper feeding operation, includes: when it is detected that a rear end of the target paper leaves a driving range of the paper feeding driving unit, determining that the transportation of the target paper is completed.
6 . The method according to claim 2 , wherein after controlling the paper feeding driving unit to execute the second rotation state, further including: when it is detected that a triggering condition for stopping the lift of the bottom plate is met, controlling the paper feeding driving unit to stop executing the second rotation state.
7 . The method according to claim 6 , wherein: the triggering condition for stopping the lift of the bottom plate includes that the bottom plate is lifted to a target position or a duration for lifting the bottom plate is larger than a first threshold.
8 . A control device of an optional paper tray, comprising: a memory, a processor, and a computer program, wherein the computer program is stored in the memory and configured to perform: determining whether a triggering condition for lifting the bottom plate is met according to a position of a bottom plate of the optional paper tray; determining whether the paper feeding driving unit of the optional paper tray is feeding the paper in a first rotational state when the triggering condition for lifting the bottom plate is met; and using a paper feeding driving unit of the optional paper tray to drive the bottom plate of the optional paper tray to be lifted when the triggering condition for lifting the bottom plate is met, wherein the paper feeding driving unit is used to transport paper in the optional paper tray.
9 . The device according to claim 8 , wherein the processor is configured to: when the paper feeding driving unit of the optional paper tray is feeding the paper in the first rotational state, after finishing a feeding operation of current paper, controlling the paper feeding driving unit to execute a second rotating state to drive the bottom plate of the optional paper tray to be lifted; and when the paper feeding driving unit is not feeding the paper in the first rotational state, controlling the paper feeding driving unit to execute a second rotating state to drive the bottom plate of the optional paper tray to be lifted.
10 . The device according to claim 8 , wherein: the paper feeding driving unit is connected to a paper feeding execution unit in the optional paper tray through a first transmission structure, and the paper feeding driving unit is also connected to the bottom plate of the optional paper tray through a second transmission structure; when the paper feeding driving unit executes the first rotation state, a gear of the paper feeding driving unit engages with a gear on the first transmission structure to drive the paper feeding execution unit to feed paper; and when the paper feeding driving unit executes the second rotation state, the gear of the paper feeding driving unit is moved to be separated from the first transmission structure and engage with a gear on the second transmission structure to control lift or lowering of the bottom plate of the optional paper tray.
11 . The device according to claim 9 , wherein the processor is further configured to: determine whether target paper being transported by the paper feeding driving unit completes the paper feeding operation, and suspending transportation of next paper of the target paper; and when it is determined that the transportation of the target paper is completed, control the paper feeding driving unit to execute the second rotational state.
12 . The device according to claim 9 , wherein determining whether the target paper being transported by the paper feeding driving unit completes the paper feeding operation, includes: when it is detected that a rear end of the target paper leaves a driving range of the paper feeding driving unit, determining that the transportation of the target paper is completed.
13 . The device according to claim 9 , wherein the processor is further configured to: after controlling the paper feeding driving unit to execute the second rotation state, further including: when it is detected that a triggering condition for stopping the lift of the bottom plate is met, controlling the paper feeding driving unit to stop executing the second rotation state.
14 . The device according to claim 13 , wherein the triggering condition for stopping the lift of the bottom plate includes that the bottom plate is lifted to a target position or a duration of lifting the bottom plate is larger than a first threshold.
15 . A non-transitory computer-readable storage medium, comprising: a memory, and a computer program, wherein: the computer program is stored in the memory, and configured to be executed by a processor to implement a control method of an optional paper tray, the method comprising: according to a position of a bottom plate of an optional paper tray, determine whether a triggering condition for lifting the bottom plate is met; determining whether the paper feeding driving unit of the optional paper tray is feeding the paper in a first rotational state when the triggering condition for lifting the bottom plate is met; and using a paper feeding driving unit of the optional paper tray to drive the bottom plate of the optional paper tray to be lifted when the triggering condition for lifting the bottom plate is met, wherein the paper feeding driving unit is used to transport paper in the optional paper tray.
16 . The non-transitory computer-readable storage medium according to claim 15 , wherein using the paper feeding driving unit of the optional paper tray to drive the bottom plate of the optional paper tray to be lifted when the triggering condition for lifting the bottom plate is met includes: when the paper feeding driving unit of the optional paper tray is feeding the paper in the first rotational state, after finishing a feeding operation of current paper, controlling the paper feeding driving unit to execute a second rotating state to drive the bottom plate of the optional paper tray to be lifted; and when the paper feeding driving unit is not feeding the paper in the first rotational state, controlling the paper feeding driving unit to execute a second rotating state to drive the bottom plate of the optional paper tray to be lifted.
17 . The non-transitory computer-readable storage medium according to claim 15 , wherein: the paper feeding driving unit is connected to a paper feeding execution unit in the optional paper tray through a first transmission structure, and the paper feeding driving unit is also connected to the bottom plate of the optional paper tray through a second transmission structure; when the paper feeding driving unit executes the first rotation state, the paper feeding driving unit is controlled to rotate in a first direction, to drive the paper feeding execution unit to move based on the first transmission structure; and when the paper feeding driving unit executes the second rotation state, the paper feeding driving unit is controlled to rotate in a second direction, to drive the bottom plate of the optional paper tray to move based on the second transmission structure.
18 . The non-transitory computer-readable storage medium according to claim 16 , wherein after finishing the feeding operation of the current paper, controlling the paper feeding driving unit to execute the second rotating state, includes: when the paper feeding driving unit executes the first rotation state, a gear of the paper feeding driving unit engages with a gear on the first transmission structure to drive the paper feeding execution unit to feed paper; and when the paper feeding driving unit executes the second rotation state, the gear of the paper feeding driving unit is moved to be separated from the first transmission structure and engage with a gear on the second transmission structure to control lift or lowering of the bottom plate of the optional paper tray.
19 . The non-transitory computer-readable storage medium according to claim 18 , wherein determining whether the target paper being transported by the paper feeding driving unit completes the paper feeding operation, includes: when it is detected that a rear end of the target paper leaves a driving range of the paper feeding driving unit, determining that the transportation of the target paper is completed.
20 . The non-transitory computer-readable storage medium according to claim 16 , wherein after controlling the paper feeding driving unit to execute the second rotation state, further including: when it is detected that a triggering condition for stopping the lift of the bottom plate is met, controlling the paper feeding driving unit to stop executing the second rotation state.

Description

CROSS-REFERENCE TO RELATED APPLICATION This application claims the priority of Chinese Patent Application No. 202310755849.9, filed on Jun. 25, 2023, and Chinese Patent Application No. 202410459354.6, filed on Apr. 16, 2024, the contents of which are incorporated herein by reference in its entirety. TECHNICAL FIELD The present disclosure generally relates to the field of image forming technology and, more particularly, relates to a control method and device of an optional paper tray. BACKGROUND An image forming device is provided with different consumable accessories, such as ink cartridges, paper trays, etc. A paper tray is a component used to hold printing paper. The paper placed in the paper tray may be automatically fed and printed when printing. An optional paper tray is an expansion accessory of the image forming device provided by manufacturers to meet the printing needs of some users. The optional paper tray is different from the original paper tray that comes with the image forming device, and can provide additional paper storage capacity for the image forming device. During the printing process, the paper in the paper tray is fed into the image forming device for printing, and the paper in the paper tray will be gradually reduced. To prevent jams caused by the decreasing contact pressure between the paper and a paper feed roller because of the reduction of the number of paper, a bottom plate of the optional paper tray needs to be lifted. However, using a separate motor to lift the bottom plate will increase the cost of the optional paper tray. Therefore, how to lift the bottom plate of the optional paper tray while reducing costs is an issue that needs to be solved urgently. SUMMARY To resolve the foregoing problem existing in the prior art, an embodiment of the invention is provided a control method and device of an optional paper tray, the paper feeding driving unit in the optional paper tray may be responsible for paper feeding and lifting of the bottom plate. A stepper motor may be unnecessary for the optional paper tray, thereby reducing the cost of the optional paper tray. One aspect of the present disclosure provides a control method of an optional paper tray. The control method is applied to an image forming device, and include: according to a position of a bottom plate of the optional paper tray, determining whether a triggering condition for lifting the bottom plate is met; and using a paper feeding driving unit of the optional paper tray to drive the bottom plate of the optional paper tray to be lifted when the triggering condition for lifting the bottom plate is met. The paper feeding driving unit is used to transport paper in the optional paper tray. Another aspect of the present disclosure provides a control device of an optional paper tray. The control device includes: a position determination module configured to determine whether a triggering condition for lifting the bottom plate is met according to a position of a bottom plate of the optional paper tray; and a processing module configured to use a paper feeding driving unit of the optional paper tray to drive the bottom plate of the optional paper tray to be lifted when the triggering condition for lifting the bottom plate is met, where the paper feeding driving unit is used to transport paper in the optional paper tray. Another aspect of the present disclosure provides an electronic device. The electronic device includes a processor, a memory, and a computer program. The computer program is stored in the memory, and includes instructions. When the instructions are executed, the electronic device is configured to: according to a position of a bottom plate of an optional paper tray, determine whether a triggering condition for lifting the bottom plate is met; and use a paper feeding driving unit of the optional paper tray to drive the bottom plate of the optional paper tray to be lifted when the triggering condition for lifting the bottom plate is met, wherein the paper feeding driving unit is used to transport paper in the optional paper tray. Another aspect of the present disclosure provides an computer-readable storage medium the computer-readable storage medium comprising: a memory, and a computer program, wherein: the computer program is stored in the memory, and configured to be executed by the processor to implement a control method of an optional paper tray, the method comprising: according to a position of a bottom plate of an optional paper tray, determine whether a triggering condition for lifting the bottom plate is met; andusing a paper feeding driving unit of the optional paper tray to drive the bottom plate of the optional paper tray to be lifted when the triggering condition for lifting the bottom plate is met, wherein the paper feeding driving unit is used to transport paper in the optional paper tray. Correspondingly, this application further provides a storage medium, where the storage medium includes a storage