CN215867506U - Printer toner cartridge with carbon powder stirring structure - Google Patents
Printer toner cartridge with carbon powder stirring structure Download PDFInfo
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- CN215867506U CN215867506U CN202121689962.4U CN202121689962U CN215867506U CN 215867506 U CN215867506 U CN 215867506U CN 202121689962 U CN202121689962 U CN 202121689962U CN 215867506 U CN215867506 U CN 215867506U
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Abstract
The utility model belongs to the technical field of printer toner cartridges, and discloses a printer toner cartridge with a toner stirring structure, which comprises a toner cartridge body, wherein a toner cavity and a transmission cavity are arranged in the middle of the toner cartridge body, an inner cavity of the toner cavity is movably connected with a rotating tube, a stepping groove is formed in the middle of the rotating tube, clamping plates are fixedly arranged at the front end and the rear end of the rotating tube, and a transmission gear ring is fixedly arranged on the front side surface of each clamping plate. The positioning block is driven to leave the inner cavity of the positioning groove by the second magnetic plate, the rotating shaft is rotated anticlockwise to wind the spring plate on the surface of the rotating shaft and send the spring plate out of the inner cavity of the rotating pipe, the length of the extending part of the spring plate is lengthened, and the spring plate with the lengthened length is extruded and compressed by the inner wall of the carbon powder cavity to a large extent when the spring plate rotates, so that the elasticity of the spring plate is improved, the carbon powder can be ensured to be smoothly adsorbed on the surface of the electrostatic roller, and the printing quality of the device is improved.
Description
Technical Field
The utility model belongs to the technical field of printer toner cartridges, and particularly relates to a printer toner cartridge with a toner stirring structure.
Background
The printer, also called as a printer, is a computer output device that can permanently output data stored in a computer to paper in a text or graphic manner, and the printer toner cartridge is one of important components in a printer for storing toner.
Present toner cartridge adopts agitating unit to stir the carbon dust mostly when using, make the carbon dust and the static roller contact of stirring, driving mechanism through the printer drives the static roller, absorption roller and selenium drum rotate and make the selenium drum surface present the carbon dust granule corresponding with the figure, but when using, most agitating unit adopts and stirs the carbon dust at the powder intracavity setting spring leaf mostly, its elasticity of nevertheless current spring leaf after long-time the use can descend, thereby the stirring effect of device has been reduced, can lead to evenly distributed carbon dust on the static roller not, the printing quality of device has been reduced.
Current toner cartridge belongs to the consumer product, for reducing the carbon dust and using up the back replacement cost, can adopt mostly to set up the powder mouth on the toner cartridge and add the carbon dust, but current powder mouth that adds is mostly plugged up the powder mouth through plastics, need operating personnel to block up when using and detain from adding the powder mouth, and in order to guarantee the leakproofness of powder mouth, often can be with adding the powder mouth and adopting interference fit between the jam, inconvenient will block up and detain, operating personnel's the use degree of difficulty has been increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems, and provides a printer toner cartridge with a toner stirring structure, which has the advantages of improving the printing quality of the device and reducing the use difficulty of operators.
In order to achieve the purpose, the utility model provides the following technical scheme: a printer toner cartridge with a toner stirring structure comprises a toner cartridge body, wherein a toner cavity and a transmission cavity are arranged in the middle of the toner cartridge body, an inner cavity of the toner cavity is movably connected with a rotating pipe, a abdicating groove is formed in the middle of the rotating pipe, clamping plates are fixedly arranged at the front end and the rear end of the rotating pipe respectively, a transmission gear ring is fixedly arranged on the front side surface of each clamping plate, a driving device on a printer drives the transmission gear ring to rotate, the transmission gear ring drives the rotating pipe to rotate through the clamping plates during rotation, a spring plate rotates at the bottom of the inner cavity of the toner cavity, the toner in the inner cavity of the toner cavity can be driven to stir during rotation, a magnetic plate I and a fixing plate are fixedly arranged in the inner cavity of the rotating pipe, the inner cavity of the rotating pipe is movably connected with a rotating shaft, the rotating shaft is inserted into a rectangular groove formed in the front end of the rotating shaft by using a straight line, the rotating shaft is pressed backwards, and the rotating shaft is driven by a magnetic plate II to leave from an inner cavity of a positioning block, anticlockwise rotation pivot this moment makes the pivot send out the inner chamber of rotatory pipe with the spring plate winding in the position on pivot surface, the fixed surface of pivot installs the spring plate, has lengthened the length value of spring plate, and when the spring plate was rotatory, the length extension spring plate received the compression degree of carbon dust intracavity wall big to the realization has improved the elasticity of spring plate, guarantees that the carbon dust can adsorb smoothly on the surface of static roller, the trailing flank fixed mounting of pivot has magnetic sheet two, the leading flank fixed mounting of magnetic sheet two has the locating piece, the constant head tank has been seted up on the surface of fixed plate.
As a preferred technical scheme of the utility model, the front end of the carbon powder box body is provided with the adding hole, the inner cavity of the adding hole is movably connected with the blocking cover, the rear end of the blocking cover is fixedly provided with the clamping block, the front side surface of the carbon powder box body is fixedly provided with the magnetic block, the blocking cover is rotated by ninety degrees, so that the blocking cover drives the clamping block to align with the clamping grooves on the left side and the right side of the adding hole, at the moment, the blocking cover can be directly taken out of the inner cavity of the adding hole, and then carbon powder is added into the inner cavity of the carbon powder cavity through the adding hole.
As a preferred technical proposal of the utility model, the inner cavity of the transmission cavity is movably connected with an electrostatic roller, an adsorption roller, a selenium drum and a de-electrifying roller, the inner cavity of the transmission cavity is fixedly provided with a laser generating device, the electrostatic roller is positioned on the right side of the top end of the carbon powder cavity, the left end and the right end of the adsorption roller are respectively contacted with the electrostatic roller and the selenium drum, the bottom end of the selenium drum is contacted with the laser generating device, the driving device of the printer drives the electrostatic roller, the adsorption roller, the selenium drum and the de-electrifying roller to rotate, the laser generating device carries out laser irradiation on the adsorption roller to enable the irradiation position to be electrified, when the electrification on the adsorption roller is positioned in contact with the electrostatic roller, the carbon powder adhered on the electrostatic roller is transferred on the adsorption roller, the paper is transferred on the surface of the selenium drum through contact with the selenium drum, when the paper is in contact with the top end of the selenium drum, printing on the paper is achieved, and the rotating de-electrifying roller can be used for de-electrifying the electrified position on the selenium drum after printing.
As a preferred technical scheme of the utility model, the spring plates are movably connected in the inner cavity of the abdicating groove, the number of the spring plates is two, the included angle between the two spring plates is one hundred eighty degrees, when the spring plates rotate in the inner cavity of the carbon powder cavity, the spring plates are shielded and bent by the inner wall of the carbon powder cavity, and after the spring plates rotate to the discharging position at the top end of the carbon powder cavity, the spring plates lose shielding of the inner wall of the carbon powder cavity and bounce upwards for a certain distance, so that the carbon powder is driven to move upwards and adhere to the surface of the electrostatic roller.
As a preferred technical scheme of the utility model, the first magnetic plate is located at the rear side of the second magnetic plate, the front side surface of the second magnetic plate is attached to the rear side surface of the fixed plate, the positioning block is inserted into an inner cavity of the positioning groove, and the magnetic force between the first magnetic plate and the second magnetic plate drives the magnetic plate to move forward, so that the positioning block is inserted into the positioning groove, and the rotating shaft is driven to rotate along with the rotating pipe by the positioning block and the second magnetic plate when the rotating pipe rotates.
As a preferred technical scheme of the utility model, the number of the clamping blocks is two, the two clamping blocks are respectively located at the front side and the rear side of the front end of the toner cartridge body, the number of the magnetic blocks is two, the two magnetic blocks are respectively located at the upper side and the lower side of the adding hole, the blocking cover is sucked into the inner cavity of the adding hole and rotates ninety degrees, so that the clamping blocks are aligned with the magnetic blocks, and at the moment, the magnetic force of the magnetic blocks can adsorb the clamping blocks at the middle parts of the two magnetic blocks, thereby fixing the blocking cover.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the rotating shaft is pressed backwards, so that the positioning block is driven to leave the inner cavity of the positioning groove by the second magnetic plate, the rotating shaft is rotated anticlockwise to wind the spring plate on the surface of the rotating shaft and send the spring plate out of the inner cavity of the rotating pipe, the length of the extending part of the spring plate is lengthened, and at the moment, when the spring plate rotates, the spring plate with the lengthened length is extruded and compressed by the inner wall of the carbon powder cavity to a large extent, so that the elasticity of the spring plate is improved, the carbon powder can be ensured to be smoothly adsorbed on the surface of the electrostatic roller, and the printing quality of the device is improved.
2. According to the utility model, the blocking cover is rotated by ninety degrees, so that the blocking cover drives the clamping blocks to align with the clamping grooves on the left side and the right side of the adding hole, the blocking cover can be directly taken out of the inner cavity of the adding hole, then carbon powder is added into the inner cavity of the carbon powder cavity through the adding hole, when the blocking cover is taken out, the blocking cover can be rapidly taken out of the inner cavity of the adding hole by adopting a rotating mode, and the use difficulty of operators is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic illustration of an explosion-proof connection of the structural blanking cap of the present invention;
FIG. 3 is a schematic cross-sectional view of a toner cartridge body according to the present invention;
FIG. 4 is a schematic view of the structural shaft of the present invention in exploded connection;
FIG. 5 is an enlarged view of the point A in FIG. 2;
FIG. 6 is an enlarged view of the point B in FIG. 4 according to the present invention.
In the figure: 1. a toner cartridge body; 2. a carbon powder chamber; 3. a transmission cavity; 4. rotating the tube; 5. a yielding groove; 6. a splint; 7. a transmission gear ring; 8. a first magnetic plate; 9. a rotating shaft; 10. a spring plate; 11. a second magnetic plate; 12. positioning blocks; 13. a fixing plate; 14. positioning a groove; 15. an addition hole; 16. blocking the cover; 17. a clamping block; 18. a magnetic block; 19. an electrostatic roller; 20. an adsorption roller; 21. a selenium drum; 22. a de-electrifying roller; 23. a laser generating device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figures 1 to 6, the utility model provides a printer toner cartridge with a toner stirring structure, which comprises a toner cartridge body 1, wherein a toner chamber 2 and a transmission chamber 3 are arranged in the middle of the toner cartridge body 1, an inner chamber of the toner chamber 2 is movably connected with a rotating tube 4, a abdication groove 5 is arranged in the middle of the rotating tube 4, clamping plates 6 are fixedly arranged at the front end and the rear end of the rotating tube 4, a transmission gear ring 7 is fixedly arranged on the front side surface of the clamping plate 6, a driving device on the printer drives the transmission gear ring 7 to rotate, the transmission gear ring 7 drives the rotating tube 4 to rotate through the clamping plate 6 during rotation, a spring plate 10 rotates at the bottom of the inner chamber of the toner chamber 2, carbon toner in the inner chamber of the toner chamber 2 can be driven to stir during rotation, a magnetic plate 8 and a fixing plate 13 are fixedly arranged in the inner chamber of the rotating tube 4, a rotating shaft 9 is movably connected with the inner chamber of the rotating tube 4, and is inserted into a rectangular groove arranged at the front end of the rotating shaft 9 in a straight line, press pivot 9 backward, make pivot 9 drive the locating piece 12 through second magnetic sheet 11 and leave the inner chamber of constant head tank 14, counter-clockwise rotation pivot 9 this moment, make pivot 9 with spring plate 10 winding in the inner chamber of pivot 9 surperficial position see-off spin tube 4, the fixed surface of pivot 9 installs spring plate 10, the length value of spring plate 10 has been lengthened, when spring plate 10 is rotatory, the length extension spring plate 10 receives the degree of compression of 2 inner walls in carbon powder chamber greatly, thereby realize having improved the elasticity of spring plate 10, guarantee that the carbon powder can adsorb on the surface of electrostatic roller 19 smoothly, the trailing flank fixed mounting of pivot 9 has second magnetic sheet 11, the leading flank fixed mounting of second magnetic sheet 11 has locating piece 12, constant head tank 14 has been seted up on the surface of fixed plate 13.
Wherein, add hole 15 has been seted up to the front end of cartridge body 1, the inner chamber swing joint who adds hole 15 has blanking cover 16, the rear end fixed mounting of blanking cover 16 has clamp splice 17, the leading flank fixed mounting of cartridge body 1 has magnetic block 18, rotatory blanking cover 16, blanking cover 16 is rotatory ninety degrees, make blanking cover 16 drive clamp splice 17 align with the draw-in groove that adds the hole 15 left and right sides, can directly take out blanking cover 16 from the inner chamber that adds hole 15 this moment, then add the carbon dust through adding hole 15 to the inner chamber in carbon dust chamber 2.
Wherein, the inner cavity of the transmission cavity 3 is movably connected with an electrostatic roller 19, an adsorption roller 20, a selenium drum 21 and a de-electrifying roller 22, the inner cavity of the transmission cavity 3 is fixedly provided with a laser generating device 23, the electrostatic roller 19 is positioned at the right side of the top end of the carbon powder cavity 2, the left end and the right end of the adsorption roller 20 are respectively contacted with the electrostatic roller 19 and the selenium drum 21, the bottom end of the selenium drum 21 is contacted with the laser generating device 23, a driving device of the printer drives the electrostatic roller 19, the adsorption roller 20, the selenium drum 21 and the de-electrifying roller 22 to rotate, the laser generating device 23 carries out laser irradiation on the adsorption roller 20 to charge the irradiation position, when the electrification on the adsorption roller 20 is placed in contact with the electrostatic roller 19, the toner adhered to the electrostatic roller 19 is transferred onto the adsorption roller 20, in transferring on the surface of the cartridge 21 by contact with the cartridge 21, when the paper comes into contact with the tip of the cartridge 21, the rotating de-electrifying roller 22 can eliminate the electrification position on the selenium drum 21 just after printing.
Wherein, spring plate 10 swing joint is in the inner chamber of groove 5 of stepping down, spring plate 10 is total two, contained angle between two spring plates 10 is one hundred eighty degrees, when spring plate 10 is rotatory in the inner chamber of carbon powder chamber 2, spring plate 10 receives the bending that shelters from of 2 inner walls in carbon powder chamber, after the ejection of compact position on spring plate 10 rotatory 2 tops in carbon powder chamber, spring plate 10 loses sheltering from of 2 inner walls in carbon powder chamber, upwards bounce one end distance to drive the surface of carbon powder upward movement adhesion at electrostatic roller 19.
Wherein, magnetic sheet 8 is located the rear side of magnetic sheet two 11, and the leading flank of magnetic sheet two 11 is laminated with the trailing flank of fixed plate 13, and locating piece 12 is pegged graft in the inner chamber of constant head tank 14, and magnetic force drives magnetic sheet two 11 forward motion between magnetic sheet one 8 and the magnetic sheet two 11, makes locating piece 12 peg graft in constant head tank 14 to realize that rotatory pipe 4 when rotating, drive pivot 9 through locating piece 12 and magnetic sheet two 11 and follow rotatory pipe 4 and rotate.
Wherein, the clamp splice 17 is total two, and two clamp splices 17 are located the front and back both sides of cartridge body 1 front end respectively, and magnetic block 18 is total two, and two magnetic block 18 are located the upper and lower both sides that add hole 15 respectively, rotate ninety degrees in the inner chamber that adds hole 15 with blanking cover 16 suction, make clamp splice 17 and magnetic block 18 align, and the magnetic force of magnetic block 18 can adsorb clamp splice 17 at the middle part of two magnetic block 18 this moment to fix blanking cover 16.
The working principle and the using process of the utility model are as follows:
when the carbon powder stirring device is used, carbon powder is placed in the inner cavity of the carbon powder cavity 2, a driving device on a printer drives a transmission gear ring 7 to rotate, the transmission gear ring 7 drives a rotating pipe 4 to rotate through a clamping plate 6 when rotating, a magnetic plate II 11 is driven to move forwards through magnetic force between a magnetic plate I8 and a magnetic plate II 11, and a positioning block 12 is inserted into a positioning groove 14, so that when the rotating pipe 4 rotates, the rotating shaft 9 is driven to rotate along with the rotating pipe 4 through the positioning block 12 and the magnetic plate II 11, a spring plate 10 rotates at the bottom of the inner cavity of the carbon powder cavity 2, and the carbon powder in the inner cavity of the carbon powder cavity 2 can be driven to stir during rotation;
when the spring plate 10 rotates in the inner cavity of the carbon powder cavity 2, the spring plate 10 is shielded and bent by the inner wall of the carbon powder cavity 2, when the spring plate 10 rotates to the discharging position at the top end of the carbon powder cavity 2, the spring plate 10 loses the shielding of the inner wall of the carbon powder cavity 2 and bounces upwards for a certain distance, thereby driving the carbon powder to move upwards and adhere to the surface of the electrostatic roller 19, the driving device of the printer drives the electrostatic roller 19, the adsorption roller 20, the selenium drum 21 and the de-electrifying roller 22 to rotate, the laser generating device 23 irradiates the adsorption roller 20 with laser to charge the irradiation position, when the electrification on the adsorption roller 20 is placed in contact with the electrostatic roller 19, the toner adhered to the electrostatic roller 19 is transferred onto the adsorption roller 20, in transferring on the surface of the cartridge 21 by contact with the cartridge 21, when the paper comes into contact with the tip of the cartridge 21, the printing of the paper is realized, and the rotating de-electrifying roller 22 can remove electricity from the electrified position on the selenium drum 21 just after the printing;
when the device is used for a period of time, the device is inserted into a rectangular groove formed in the front end of the rotating shaft 9 in a straight line shape, the rotating shaft 9 is pressed backwards, the rotating shaft 9 drives the positioning block 12 to leave the inner cavity of the positioning groove 14 through the second magnetic plate 11, the rotating shaft 9 is rotated anticlockwise at the moment, the spring plate 10 is wound on the surface of the rotating shaft 9 by the rotating shaft 9 and is sent out of the inner cavity of the rotating pipe 4, the length value of the spring plate 10 is increased, when the spring plate 10 rotates, the spring plate 10 with the increased length is compressed by the inner wall of the carbon powder cavity 2 to a large extent, the elasticity of the spring plate 10 is improved, and carbon powder can be smoothly adsorbed on the surface of the electrostatic roller 19;
when needs add the carbon dust to the carbon dust chamber 2 in, rotatory blanking cover 16, blanking cover 16 is rotatory ninety degrees, make blanking cover 16 drive clamp splice 17 and the draw-in groove of adding the 15 left and right sides of hole align, can directly take out blanking cover 16 from the inner chamber that adds hole 15 this moment, then add the carbon dust to the inner chamber in carbon dust chamber 2 through adding hole 15, after adding, add the end, add blanking cover 16 suction and add ninety degrees of rotation in the inner chamber of hole 15, make clamp splice 17 align with magnetic block 18, the magnetic force of magnetic block 18 this moment can adsorb clamp splice 17 at the middle part of two magnetic block 18, thereby fix blanking cover 16.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a printer cartridge with carbon powder stirring structure, includes cartridge body (1), its characterized in that: the middle part of the carbon powder box body (1) is provided with a carbon powder cavity (2) and a transmission cavity (3), the inner cavity of the carbon powder cavity (2) is movably connected with a rotating pipe (4), the middle part of the rotating pipe (4) is provided with a abdicating groove (5), the front end and the rear end of the rotating pipe (4) are both fixedly provided with a clamping plate (6), the front side surface of the clamping plate (6) is fixedly provided with a transmission gear ring (7), a first magnetic plate (8) and a fixed plate (13) are fixedly arranged in the inner cavity of the rotating tube (4), the inner cavity of the rotating pipe (4) is movably connected with a rotating shaft (9), the surface of the rotating shaft (9) is fixedly provided with a spring plate (10), a second magnetic plate (11) is fixedly mounted on the rear side face of the rotating shaft (9), a positioning block (12) is fixedly mounted on the front side face of the second magnetic plate (11), and a positioning groove (14) is formed in the surface of the fixing plate (13).
2. The printer toner cartridge with toner stirring structure as claimed in claim 1, wherein: add hole (15) have been seted up to the front end of cartridge body (1), the inner chamber swing joint that adds hole (15) has blanking cover (16), the rear end fixed mounting of blanking cover (16) has clamp splice (17), the leading flank fixed mounting of cartridge body (1) has magnetic block (18).
3. The printer toner cartridge with toner stirring structure as claimed in claim 1, wherein: the inner chamber swing joint of transmission chamber (3) has static roller (19), adsorption roller (20), selenium drum (21) and de-electrifying roller (22), the inner chamber fixed mounting of transmission chamber (3) has laser generating device (23), static roller (19) are located the right side on carbon powder chamber (2) top, both ends contact with static roller (19) and selenium drum (21) respectively about adsorption roller (20), the bottom and the laser generating device (23) contact of selenium drum (21).
4. The printer toner cartridge with toner stirring structure as claimed in claim 1, wherein: the spring plates (10) are movably connected in the inner cavity of the abdicating groove (5), the number of the spring plates (10) is two, and the included angle between the spring plates (10) is one hundred eighty degrees.
5. The printer toner cartridge with toner stirring structure as claimed in claim 1, wherein: the first magnetic plate (8) is located on the rear side of the second magnetic plate (11), the front side face of the second magnetic plate (11) is attached to the rear side face of the fixed plate (13), and the positioning block (12) is inserted into an inner cavity of the positioning groove (14).
6. The printer toner cartridge with toner stirring structure as defined in claim 2, wherein: the carbon powder box is characterized in that the number of the clamping blocks (17) is two, the clamping blocks (17) are respectively located on the front side and the rear side of the front end of the carbon powder box body (1), the number of the magnetic blocks (18) is two, and the magnetic blocks (18) are respectively located on the upper side and the lower side of the adding hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121689962.4U CN215867506U (en) | 2021-07-23 | 2021-07-23 | Printer toner cartridge with carbon powder stirring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121689962.4U CN215867506U (en) | 2021-07-23 | 2021-07-23 | Printer toner cartridge with carbon powder stirring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215867506U true CN215867506U (en) | 2022-02-18 |
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ID=80331666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121689962.4U Active CN215867506U (en) | 2021-07-23 | 2021-07-23 | Printer toner cartridge with carbon powder stirring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215867506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115309017A (en) * | 2022-08-25 | 2022-11-08 | 广州市三横信息科技有限公司 | Toner cartridge device for printer convenient for adding carbon powder |
-
2021
- 2021-07-23 CN CN202121689962.4U patent/CN215867506U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115309017A (en) * | 2022-08-25 | 2022-11-08 | 广州市三横信息科技有限公司 | Toner cartridge device for printer convenient for adding carbon powder |
| CN115309017B (en) * | 2022-08-25 | 2023-03-10 | 广州市三横信息科技有限公司 | Toner cartridge device for printer convenient for adding carbon powder |
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