CN106142866A - Conveying mechanism and printing equipment - Google Patents
Conveying mechanism and printing equipment Download PDFInfo
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- CN106142866A CN106142866A CN201510210229.2A CN201510210229A CN106142866A CN 106142866 A CN106142866 A CN 106142866A CN 201510210229 A CN201510210229 A CN 201510210229A CN 106142866 A CN106142866 A CN 106142866A
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- running roller
- detection plate
- conveying mechanism
- plate
- transfer passage
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Abstract
The invention provides a kind of conveying mechanism and printing equipment.Wherein, described conveying mechanism includes transfer passage and running roller, described transfer passage includes channel plate, gap is there is between described running roller and described channel plate, and a part for described running roller is positioned in described transfer passage, described conveying mechanism also includes detecting plate and sensor, described detection plate and described running roller are positioned at the homonymy of described transfer passage, and described detection plate and described running roller relative spacing arrange and be used for when print media is filled between described detection plate and described running roller moving to trigger described sensor.Compared with prior art, the present invention provides conveying mechanism and printing equipment can detect plug paper problem in time, it is to avoid print media is wrapped in the equipment fault caused on running roller, and therefore reliability is high.
Description
Technical field
The present invention relates to a kind of conveying mechanism and printing equipment.
Background technology
As it is shown in figure 1, common printing equipment includes conveying mechanism and printing mechanism, wherein, conveying mechanism includes transfer passage
With the running roller 22 for driving print media to move along transfer passage, first passage plate 15 He that transfer passage is arranged by relative spacing
Second channel plate 16 forms, and one end of transfer passage connects with the outlet P of printing equipment；Printing mechanism includes and running roller 22 phase
Cutting the printhead 211 of setting, wherein, printhead 211 is positioned at the side of first passage plate 15, and by first passage plate 15
Opening stretch in transfer passage；Running roller 22 is positioned at the side of second channel plate 16, and by the running roller on second channel plate 16
Stretching in transfer passage with opening 161, during printing, running roller 22 rotates, and drives beating between printhead 211 and running roller 22
Print medium moves along transfer passage, and printhead 211 generates predetermined image or word on the print medium simultaneously, completes beating of printing
Print medium is by exporting P output.
This conveying mechanism problematically, in print procedure, under the driving of running roller 22, print media is easily led to by second
Running roller on guidance tape 16, and is wrapped on running roller 22 through second channel plate 16 with opening 161, due to printing equipment can not and
Time detect that print media blocks, thus cause printing equipment generation equipment fault, poor reliability.In conveying mechanism, if
Gap is there is, it is also possible to the problems referred to above occur between the end of the channel plate of running roller and composition transfer passage.
Summary of the invention
It is an object of the invention to provide a kind of conveying mechanism that can detect plug paper fault in time and printing equipment.
To achieve these goals, according to the first aspect of the invention, it is provided that a kind of conveying mechanism, including transfer passage and
Running roller, described transfer passage includes channel plate, there is gap, and one of described running roller between described running roller and described channel plate
Dividing and be positioned in described transfer passage, described conveying mechanism also includes detecting plate and sensor, and described detection plate is positioned at described running roller
The homonymy of described transfer passage, described detection plate and described running roller relative spacing arrange and are used for filling in described detection at print media
Move time between plate and described running roller to trigger described sensor.
Further, aforementioned detection plate can be rotatably arranged in aforementioned conveying mechanism and have primary importance and the second position,
When not having aforementioned print media between aforementioned detection plate and aforementioned running roller, aforementioned detection plate is in aforementioned primary importance, when aforementioned inspection
When being plugged with aforementioned print media between drafting board and aforementioned running roller, aforementioned detection plate is in the aforementioned second position.
Further, aforementioned detection plate has all the time to aforementioned primary importance under the effect of self gravitation or detection flexible member
The trend rotated.
Further, aforementioned detection plate includes the outbound course of trigger unit, the bearing of trend of aforementioned trigger unit and described print media
In angle.
Further, the end of aforementioned trigger unit is disposed adjacent to aforementioned gap, or the end of aforementioned trigger unit is set to stretch
Enter aforementioned gap and be in outside aforementioned transfer passage.
Further, aforementioned detection plate also includes test section, and aforementioned test section is for being in aforementioned primary importance when aforementioned detection plate
Time coordinate with sensor as aforementioned, separate with sensor as aforementioned when aforementioned detection plate is in the aforementioned second position；Or, aforementioned inspection
Survey portion is for separating with sensor as aforementioned when aforementioned detection plate is in aforementioned primary importance, when aforementioned detection plate is in aforementioned second
Coordinate with sensor as aforementioned during position.
Further, aforementioned detection plate includes that the first trigger unit and second that trigger unit, aforementioned trigger unit include arranging in angle is touched
The portion of sending out, aforementioned first trigger unit constitutes a part for aforementioned transfer passage, and aforementioned second trigger unit sets with aforementioned running roller relative spacing
Put.
According to the second aspect of the invention, it is provided that a kind of printing equipment, including conveying mechanism and printing mechanism, described conveying
Mechanism is the conveying mechanism according to any one of aforementioned first aspect.
Further, aforementioned printing mechanism includes the printhead being oppositely arranged with the running roller of aforementioned conveying mechanism.
Further, aforementioned printing equipment also includes the paper cutting mechanism being arranged on the downstream of aforementioned printing mechanism.
Further, aforementioned printing mechanism also includes the conveying roller being oppositely arranged with the running roller of aforementioned conveying mechanism.
Conveying mechanism and printing equipment that the present invention provides include detecting plate and sensor, and wherein, detection plate is positioned at defeated with running roller
The homonymy and both relative spacings that send passage are arranged, and fill in rear drive detection plate between detection plate and running roller when print media and move,
Thus trigger sensor output detects signal, conveying mechanism and printing equipment accordingly and judges occur filling in paper problem accordingly.With existing
Technology is compared, and conveying mechanism and printing equipment that the present invention provides can detect plug paper problem in time, it is to avoid print media is wound around
The equipment fault caused on running roller, therefore reliability is high.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of printing equipment of the prior art；
Fig. 2 is the structural representation of printing equipment according to a first embodiment of the present invention；
Fig. 3 is the section of structure of printing equipment according to a first embodiment of the present invention；
Fig. 4 is the partial structurtes schematic diagram of printing equipment according to a first embodiment of the present invention；
Fig. 5 is the structural representation of printing equipment according to a second embodiment of the present invention；
Fig. 6 is the structural representation of printing equipment according to a third embodiment of the present invention；
Fig. 7 is the structural representation of printing equipment according to a fourth embodiment of the present invention.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Fig. 2 is the structural representation of printing equipment according to a first embodiment of the present invention, and Fig. 3 is according to a first embodiment of the present invention
The section of structure of printing equipment, Fig. 4 is the partial structurtes schematic diagram of printing equipment according to a first embodiment of the present invention.As
Shown in Fig. 2 to Fig. 4, printing equipment includes conveying mechanism, printing mechanism 2, and drive mechanism 4.
Conveying mechanism includes frame 1, running roller 22, and Sai Zhi testing agency 3, and wherein, frame 1 includes left side wall 11, right side
Wall 12, first passage plate 15, and second channel plate 16, wherein, left side wall 11 and the opposing parallel interval of right side wall 12 are arranged,
Distance between the two is more than the Breadth Maximum of print media；First passage plate 15 and second channel plate 16 are connected to left side wall 11
With between right side wall 12, both first passage plate 15 and second channel plate 16 relative spacing is arranged, formed between the two and print Jie
The transfer passage of matter, one end of transfer passage is the entrance of print media, and the other end of transfer passage is the outlet P of printing equipment.
Running roller 22 and second channel plate 16 are positioned at the same side of transfer passage, and running roller 22 is through the running roller on second channel plate 16
Enter in transfer passage with opening, between the opening edge in transfer passage downstream of running roller 22 and second channel plate 16 is along 161
There is gap a, along print media outbound course, this gap a can be for being in institute between running roller 22 and described running roller opening
State the gap in running roller 22 downstream, it is also possible to be the seam being in described running roller 22 upstream between running roller 22 and described running roller opening
Gap.The two ends of running roller 22 are supported by left side wall 11 and the right side wall 12 of frame 1, and running roller 22 is also in transmission connection with drive mechanism 4,
Under the driving of drive mechanism 4, running roller 22 can be around own axis.
Sai Zhi testing agency 3 includes detecting plate 31 and sensor 32, and wherein, detection plate 31 is by drive-connecting shaft 30 and frame 1
Left side wall 11 and right side wall 12 pivot joint, detection plate 31 and running roller 22 are positioned at the homonymy of transfer passage, detection plate 31 and running roller 22
Relatively, detection plate 31 can rotate around drive-connecting shaft 30, has primary importance and the second position, wherein, when detection plate 31 and running roller
When not having print media between 22, detection plate 31 is positioned at primary importance, and now, between detection plate 31 and running roller 22, interval sets
Distance；When having print media between detection plate 31 and running roller 22, print media drives detection plate 31 around drive-connecting shaft 30 along far
The second position is turned to from the direction of running roller 22；Sensor 32 is arranged in frame 1, and is positioned at the rotation path of detection plate 31
On, for the position of detection plate 31.Sensor 32 can be photoelectric sensor, it is also possible to be mechanical sensor.This
In embodiment, detection plate 31 has to primary importance rotational motion trend under the effect of self gravitation all the time；Sensor 32 is
Mechanical sensor, is fixedly mounted on second supporting walls 14 being connected between left side wall 11 and right side wall 12 of frame 1；
When detecting plate 31 and being positioned at primary importance, sensor 32 separates with detection plate 31, and sensor 32 exports the first detection signal,
When detecting plate 31 and being positioned at the second position, sensor 32 coordinates with detection plate 31, and sensor 32 exports the second detection signal.
It should be noted that in other embodiments that the present invention provides, when detecting plate 31 and being positioned at primary importance, sensor 32 with
Detection plate 31 coordinates, and when detecting plate 31 and being positioned at the second position, sensor 32 separates with detection plate 31.
Further, Sai Zhi testing agency 3 also includes detection flexible member 33, namely is used in this Sai Zhi testing agency 3
Flexible member.One end of detection flexible member 33 is connected with detection plate 31, and the other end is connected with frame 1, at detection bullet
Property element 33 elastic force effect under, detection plate 31 have all the time to primary importance rotate movement tendency, by arranging inspection
Surveying with flexible member 33 so that when not having print media between detection plate 31 and running roller 22, detection plate 31 can be more stably
It is maintained in primary importance.
Specifically, detection plate 31 includes trigger unit 311 and test section 312, wherein, trigger unit 311 and running roller 22 relative spacing
Arranging, test section 311 is that angle is arranged with the outbound course of print media, and the end 311a of trigger unit 311 is adjacent to gap a
Arrange, it is preferable that the end 311a of trigger unit 311 puts in a of gap, and is positioned at outside transfer passage, it is preferable that trigger unit
311 extend along the outbound course being perpendicular to print media；On the rotation path of the test section 312 that sensor 32 is positioned at detection plate 31,
When detecting plate 31 and rotating between the first position and the second position, test section 312 can coordinate with sensor 32 or separate,
In the present embodiment, when detecting plate 31 and being positioned at primary importance, test section 312 separates with sensor 32, when detection plate 31 is positioned at
During the second position, test section 312 coordinates with sensor 32.
When there is no print media between detection plate 31 and running roller 22, first by elasticity in self gravitation or the detection of detection plate 31
Under the effect of the elastic force of part 33, detection plate 31 is positioned at primary importance, and between trigger unit 311 and running roller 22, interval sets gap,
Test section 312 rides on the second supporting walls 14；When having print media between detection plate 31 and running roller 22, print media promotes
Trigger unit 311 turns to the second position around drive-connecting shaft 30.
It should be noted that in the present embodiment, gap a is to be in described running roller 22 between running roller 22 and described running roller opening
The gap in downstream, Sai Zhi testing agency 3 is for detecting the plug paper problem in print media output procedure, when gap a is running roller
During the gap being in described running roller 22 upstream between 22 and described running roller opening, Sai Zhi testing agency 3 may be used for detection and exists
Plug paper problem when print media retreats.
Printing mechanism 2, between the left side wall 11 and right side wall 12 of frame 1, is positioned at transfer passage with first passage plate 15
The same side.Printing mechanism 2 includes print head assembly 21 and at least one printing flexible member 23.Wherein, print head assembly
21 include printhead 211 and gripper shoe 212, and wherein, gripper shoe 212 is by rotating shaft 210 and the left side wall 11 of frame 1 and the right side
Sidewall 12 pivot joint, gripper shoe 212 can 210 rotate around the shaft；Printhead 211 is fixedly mounted in gripper shoe 212, through
Opening on one channel plate 15 is relative with running roller 22, when gripper shoe 212 210 rotation around the shaft, and printhead 211 concomitant rotation,
Can to away from or near running roller 22 direction motion, separate with running roller 22 or tangent cooperation, wherein, when printhead 211 and roller
Taking turns 22 tangent when coordinating, the heater (not shown) extended along its width on printhead 211 is by chance positioned at printing
211 with on the tangency location of both running rollers 22.Preferably, gripper shoe 212 also includes guided plate 213, guided plate 213
Between printhead 211 and first passage plate 15, for guiding the print media printed to move to first passage plate 15 swimmingly
Place；One end of printing flexible member 23 is connected with gripper shoe 212, and the other end is connected with frame 1, at printing flexible member
Under the effect of the elastic force of 23, gripper shoe 212 has 210 movement tendency deflected to running roller 22 around the shaft all the time, makes printhead
211 are pressed against on running roller 22.In the present embodiment, printing mechanism 2 includes two printing flexible members 23, and two print use
Flexible member 23 is evenly distributed along the width of printhead 211, and one end of each printing flexible member 23 is connected to gripper shoe
On 212, the other end is connected on the first supporting walls 13 of frame 1, and the first supporting walls 13 is connected to left side wall 11 and right side
Between wall 12.
The operation principle of the printing equipment that simple declaration the present embodiment provides below.Printing equipment in the course of the work, print media
Being passed by between printhead 211 and running roller 22, drive mechanism 4 drive roller wheel 22 rotates, and running roller 22 drives print media to move,
Meanwhile, printhead 211 is in the content of surface of print media print setting.If print media carries normally in transfer passage, plug
The detection plate 31 of paper testing agency 3 is positioned at primary importance, and now, sensor 32 exports the first detection signal, if owing to make
User's maloperation or other reasons, print media is entered detection plate 31 by the gap a between running roller 22 and second channel plate 16
Time between trigger unit 311 and running roller 22, print media drives the trigger unit 311 of detection plate 31 to move to the direction away from running roller 22
Dynamic, make detection plate 31 rotate to the second position around drive-connecting shaft 30, test section 312 coordinates with sensor 32, and sensor 32 is defeated
Going out the second detection signal, the controller of printing equipment judges to fill in paper accordingly.
Conveying mechanism and printing equipment that the present invention provides include detecting plate and sensor, and wherein, detection plate is positioned at defeated with running roller
The homonymy and both relative spacings that send passage are arranged, and fill in rear drive detection plate between detection plate and running roller when print media and move,
Thus trigger sensor output detects signal, conveying mechanism and printing equipment accordingly and judges occur filling in paper problem accordingly.With existing
Technology is compared, and conveying mechanism and printing equipment that the present invention provides can detect plug paper problem in time, it is to avoid print media is wound around
The equipment fault caused on running roller, therefore reliability is high.
Be rotatably arranged in printing equipment it should be noted that although previous embodiment describes detection plate, but actually
The resolving ideas provided according to the present invention, a media to be printed enables to detect plate and moves after filling between detection plate and running roller,
Trigger sensor output can detect signal accordingly, thus solve aforementioned technical problem.Therefore, detection plate is in printing equipment
Motion mode be not limited to rotate, can be various can the shift action of trigger sensor.In single conveying mechanism,
If there is gap between the end of the channel plate of running roller and composition transfer passage, it is also possible to by arranging above-mentioned Sai Zhi testing agency
Solve aforementioned technical problem.In above-mentioned conveying mechanism and printing equipment, in addition to using printing paper, it is possible to use may
Cause the various print media of blocking.
Fig. 5 is the structural representation of printing equipment according to a second embodiment of the present invention.As it is shown in figure 5, the present embodiment is with above-mentioned
The different part of embodiment is, in the present embodiment, along print media conveying direction, trigger unit is positioned at the downstream of running roller 22,
Trigger unit includes the first trigger unit 311b and the second trigger unit 311c arranged in angle, and wherein, the first trigger unit 311b is along defeated
The direction sending passage extends, and the first trigger unit 311b is oppositely arranged with first passage plate 15, and is collectively forming transfer passage therewith
A part, for guiding the print media completing to print to exit；Second trigger unit 311c is arranged with running roller 22 relative spacing.
If print media carries normally in transfer passage, detection plate 31 is positioned at primary importance, and now, sensor 32 exports
First detection signal, the print media completing to print is by detecting warp between the first trigger unit 311b of plate 31 and first passage plate 15
Crossing and discharge from outlet, if outlet is blocked, print media cannot be discharged by outlet, and now running roller 22 drives printing to be situated between always
Matter moves, and therefore, print media forms accumulation in transfer passage, and the print media of accumulation drives the first trigger unit 311b to far
Move from the direction of first passage plate 15, make detection plate 31 rotate to the second position around drive-connecting shaft 30, so that test section 312
Coordinating with sensor 32, sensor 32 exports the second detection signal, and the controller of printing equipment judges to fill in paper accordingly.This enforcement
The trigger unit of detection plate is arranged the first trigger unit and the second trigger unit arranged in angle, the first trigger unit and first passage plate by example
Define a part for transfer passage, when printing equipment is blocked, it is possible to the problem occurring in detection transfer passage in time filling in paper.
Fig. 6 is the structural representation of printing equipment according to a third embodiment of the present invention.As shown in Figure 6, the present embodiment and upper
The different part of embodiment is, in the present embodiment, printing equipment also includes paper cutting mechanism 5, along print media conveying direction,
Paper cutting mechanism 5 is arranged on the downstream of transfer passage, and is in the downstream of aforementioned running roller.Paper cutting mechanism 5 includes quiet sword 51, dynamic sword
52, and dynamic sword driving assembly (not shown), wherein, quiet sword 51 and dynamic sword 52 are oppositely arranged, and print media is by both
Between pass, dynamic sword 52 moves to quiet sword 51 under dynamic sword drives the driving of assembly, when dynamic sword 52 overlaps with quiet sword 51,
Print media is cut off, and the print media after cut-out is sent to outside printing equipment.Printing equipment in the present embodiment adds to be cut
Mechanism of paper, when paper cutting mechanism breaks down, and blocks outlet, Sai Zhi testing agency can detect plug paper problem in time.
Fig. 7 is the structural representation of printing equipment according to a fourth embodiment of the present invention.As it is shown in fig. 7, the present embodiment is with above-mentioned
Embodiment is compared, and difference is, the printing equipment in the present embodiment also includes the conveying roller 26 being oppositely arranged with running roller 22,
Conveying roller 26 is positioned at the side of first passage plate 15, by the opening on first passage plate 15 stretch in transfer passage with running roller 22
Tangent cooperation, is used for driving print media to move along transfer passage；Printing mechanism also includes the rubber roll 25 coordinated with printhead 211,
Rubber roll 25 is in transmission connection with drive mechanism, can be positioned at rubber roll around own axis for driving under the driving of drive mechanism
Print media between 25 and printhead 211 moves.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (11)
1. a conveying mechanism, including transfer passage and running roller, described transfer passage includes channel plate, described running roller and described passage
There is gap between plate, and a part for described running roller is positioned in described transfer passage, it is characterised in that described conveyer
Structure also includes detecting plate and sensor, and described detection plate and described running roller are positioned at the homonymy of described transfer passage, described detection
Plate and described running roller relative spacing arrange and be used for when print media is filled between described detection plate and described running roller moving with
Trigger described sensor.
Conveying mechanism the most according to claim 1, it is characterised in that described detection plate can be rotatably arranged at described conveying
In mechanism and there is primary importance and the second position, when there is no described print media between described detection plate and described running roller
Described detection plate is in described primary importance, described in when being plugged with described print media between described detection plate and described running roller
Detection plate is in the described second position.
Conveying mechanism the most according to claim 2, it is characterised in that described detection plate is in the elastic unit of self gravitation or detection
There is under the effect of part the trend rotated to described primary importance all the time.
Conveying mechanism the most according to claim 1, it is characterised in that described detection plate includes trigger unit, described trigger unit
Bearing of trend is angle with the outbound course of described print media.
Conveying mechanism the most according to claim 4, it is characterised in that the end of described trigger unit is disposed adjacent to described seam
Gap, or the end of described trigger unit is set to stretch into described gap and be in outside described transfer passage.
Conveying mechanism the most according to claim 2, it is characterised in that described detection plate also includes test section, described test section
For coordinating with described sensor when described detection plate is in described primary importance, when described detection plate is in described second
Separate with described sensor during position；Or, described test section for when described detection plate is in described primary importance with
Described sensor separates, and coordinates with described sensor when described detection plate is in the described second position.
7. according to the conveying mechanism described in Claims 2 or 3, it is characterised in that described detection plate includes trigger unit, described triggering
Portion includes that the first trigger unit and the second trigger unit arranged in angle, described first trigger unit constitute the one of described transfer passage
Part, described second trigger unit is arranged with described running roller relative spacing.
8. a printing equipment, including conveying mechanism and printing mechanism, it is characterised in that described conveying mechanism is claim 1 to 7
According to any one of conveying mechanism.
Printing equipment the most according to claim 8, it is characterised in that described printing mechanism includes and the roller of described conveying mechanism
The printhead that wheel is oppositely arranged.
Printing equipment the most according to claim 9, it is characterised in that described printing equipment also includes being arranged on described printer
The paper cutting mechanism in the downstream of structure.
11. printing equipments according to claim 8, it is characterised in that described printing equipment also includes and described conveying mechanism
The conveying roller that running roller is oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210229.2A CN106142866B (en) | 2015-04-28 | 2015-04-28 | Conveying mechanism and printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210229.2A CN106142866B (en) | 2015-04-28 | 2015-04-28 | Conveying mechanism and printing equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN106142866A true CN106142866A (en) | 2016-11-23 |
| CN106142866B CN106142866B (en) | 2018-11-09 |
Family
ID=57347607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510210229.2A Active CN106142866B (en) | 2015-04-28 | 2015-04-28 | Conveying mechanism and printing equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN106142866B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111356593A (en) * | 2017-11-20 | 2020-06-30 | 惠普发展公司，有限责任合伙企业 | Media sensing |
| CN114919299A (en) * | 2021-02-12 | 2022-08-19 | 手持产品公司 | Method, apparatus and system for detecting media jam in a printer |
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| CN104614780A (en) * | 2013-11-04 | 2015-05-13 | 山东新北洋信息技术股份有限公司 | Medium detection mechanism and medium processing device using same |
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| US20080048138A1 (en) * | 2006-08-24 | 2008-02-28 | Brother Kogyo Kabushiki Kaisha | Image Forming Apparatus |
| CN102030215A (en) * | 2009-10-05 | 2011-04-27 | 佳能株式会社 | Printer and printing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11220119B2 (en) | 2017-11-20 | 2022-01-11 | Hewlett-Packard Development Company, L.P. | Media sensing |
| CN111356593B (en) * | 2017-11-20 | 2022-06-24 | 惠普发展公司，有限责任合伙企业 | Media sensing |
| CN114919299A (en) * | 2021-02-12 | 2022-08-19 | 手持产品公司 | Method, apparatus and system for detecting media jam in a printer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106142866B (en) | 2018-11-09 |
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