CN101814013B - Special laser printer - Google Patents
Special laser printer Download PDFInfo
- Publication number
- CN101814013B CN101814013B CN2010101670816A CN201010167081A CN101814013B CN 101814013 B CN101814013 B CN 101814013B CN 2010101670816 A CN2010101670816 A CN 2010101670816A CN 201010167081 A CN201010167081 A CN 201010167081A CN 101814013 B CN101814013 B CN 101814013B
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- processing module
- print processing
- circuit
- interface
- laser printer
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- 238000012545 processing Methods 0.000 claims abstract description 69
- 238000007639 printing Methods 0.000 claims abstract description 36
- 238000002955 isolation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007648 laser printing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The invention relates to a special laser printer. A special laser printer circuit mainly comprises a printed chip processing circuit and a switching circuit. The printed chip processing circuit consists of a print processing module 1 and a print processing module 2; and the switching circuit comprises a main control part, a driving part and an interface part. The main control part comprises a double-pole double-throw relay controlled by a switching key on a panel; and respective power supply circuits of the print processing module 1 and the print processing module 2 are connected at a normally open end and a normally closed end of the relay respectively, and the relay is controlled by the switching key on the panel to switch the power supply of two parts of circuits. When one path of the print processing module works, the other path of the print processing module is positioned in a power-off state; and a user selects the currently used printing interface according to the file printout property. Therefore, a currently used computer performs the printing operation through the connected printing interface, and great convenience is achieved to meet the special printing requirements of special users.
Description
Technical field
The present invention relates to the laser printing terminal device, particularly a kind of special laser printer.
Background technology
At present, the laser printer of being sold in market only comprises a USB printing interface usually, can only be that printer uses individual interface to be connected with single computing machine to print operation, multicomputer can connect the realization printing device by network be shared and carry out the ordinary file printing; But in actual applications, also have the operation requirement that special file is printed, the file printout that relates in particular to special unit will guarantee safety, maintain secrecy, and the office computer of this unit and printer require the special plane special use, yet, same department also has the situation that ordinary file is printed, for above-mentioned reasons, cause a plurality of computing machines can not share a printer, so, both wasted device resource, and made the user feel inconvenience again.
If a laser printer has a plurality of spendable print circuit passages and printing interface, can determine to use certain printing interface according to file printout character, be connected with special purpose computer, use the private print interface, be connected with common computer, use common printing interface, and can select the printing interface of current use according to file printout character by the user, the computing machine that makes current use prints operation by the printing interface of its connection, just will make things convenient for special user's special printing demand greatly.
And existing laser printer circuit structure can't realize these functions, therefore has the laser printer circuit research and development of special function, then is that what to solve the prior art problem is crucial.
Summary of the invention
Purpose of the present invention is exactly: the design proposal that a kind of special laser printer is provided, use the solution of the present invention, can make a laser printer have a plurality of spendable print circuit passages and printing interface, printer is connected with a plurality of computing machines simultaneously and prints operation, to reach the demand of the special printing that makes things convenient for the special user.
The technical solution used in the present invention is: special laser printer comprises special laser printer circuit, it is characterized in that, special laser printer circuit mainly is made of printing chip treatment circuit and built-up circuit, described printing chip treatment circuit is made up of print processing module 1 and print processing module 2, and print processing module 1 mainly is made of control chip STDC1100, SDRAM, FLASH, driving interface and A type USB interface; Wherein each function port of control chip STDC1100 is connected with SDRAM, FLASH, driving interface and USB corresponding port respectively; Print processing module 2 mainly is made of control chip STDC1100, SDRAM, FLASH, driving interface and Type B USB interface; Wherein each function port of control chip STDC1100 is connected with SDRAM, FLASH, driving interface and USB corresponding port respectively; Print processing module 1 lays respectively in the different printed boards with print processing module 2, and two circuit are in complete isolation physically;
Built-up circuit comprises master control, driving and interface section; Comprise a dpdt relay in the main control part by the control of the shift key on the panel; Print processing module 1 and print processing module 2 power supply supply access separately is connected to often opening and normal-closed end of relay;
Comprise the interface socket and the interface socket that is connected print processing module 2 driving interface that connect print processing module 1 driving interface in the circuit of the interface section in the described built-up circuit; The driving interface of the driving interface of print processing module 1 and print processing module 2 respectively in the circuit by the interface section in wiring and splicing spare and the described built-up circuit corresponding interface socket be connected.
Advantage of the present invention is: the printing chip treatment circuit of special laser printer circuit comprises print processing module 1 and print processing module 2, constitute two print processing passages, they are connected with common computer with special purpose computer respectively, according to the different passages of user's selection, realize the printing of different purposes.Print processing module 1 is separated fully with print processing module 2 two parts circuit, and when a modular circuit job, another pack module circuit is in off-position.Can select the printing interface of current use according to file printout character by the user, the computing machine that makes current use prints operation by the printing interface of its connection, makes things convenient for special user's special printing demand greatly.
Description of drawings
Fig. 1 is a circuit structure block diagram of the present invention;
Fig. 2 is print processing module 1 circuit diagram;
Fig. 3 is the interface section circuit diagram of built-up circuit;
Fig. 4 is the main control part circuit diagram of built-up circuit.
Fig. 5 is the drive part circuit diagram of built-up circuit.
Embodiment
For a more clear understanding of the present invention, describe the present invention in detail with example in conjunction with the accompanying drawings:
Shown in Fig. 1-5, special laser printer circuit comprises printing chip treatment circuit and built-up circuit.
The power supply of special laser printer circuit is divided into low-voltage circuit part and high-tension circuit part, low-voltage circuit partly be AC220V through AC/DC on-off mode output+5V (MAX1.0A) ,+24V (MAX1.5A) and+3.3V (MAX1.0A).The power supply high-tension circuit partly is made up of the noble potential of the control circuit with photographic fixing heating voltage AC220V and five kinds of plus or minus, for photosensitive drums, ink powder roller, intermediate calender rolls, paper, cleaning supporting band plus or minus electricity, be used for finishing the task of charging, exposure, development, transfer printing, photographic fixing and cleaning.
As shown in Figure 2, print processing module 1 is realized by control chip STDC1100, program storage M25P64 (FLASH), data-carrier store HY57K561620BT (SDRAM), driving interface and A type USB interface.
The circuit structure of print processing module 2 is identical with print processing module 1, only the usb type difference.
Built-up circuit is positioned in the switching printed board, comprise as Fig. 3-5 being depicted as master control, driving and interface section, comprise the interface socket and the interface socket that is connected print processing module 2 driving interface that connect print processing module 1 driving interface in the circuit of the interface section of built-up circuit; The driving interface of the driving interface of print processing module 1 and print processing module 2 is respectively by interface socket connection corresponding in wiring and splicing spare and the interface circuit;
Built-up circuit adopts relay to switch to control print processing module 1 or print processing module 2 is powered.Built-up circuit has comprised printing motor, LSU, printing high pressure, state-detection and photographic fixing control circuit, the control chip STDC1100 of print processing module 1 and print processing module 2 is connected with built-up circuit by the respective drive interface respectively, and motor, LSU, printing high pressure, state-detection and fusing circuit are printed in control;
The circuit path of print processing module 1 is defined as the private print passage, the circuit path of print processing module 2 is defined as common type channel.
User interface circuitry mainly is by two buttons, and three LED lamps are formed.A button is that concerning security matters are printed and common printing conversion keys, controls the power supply of print processing module 1 or print processing module 2 by relay.
Another button is a clear key, the reseting pin of control chip STDC1100 on its control print processing module 1 or the print processing module 2, the operation clear key control chip STDC1100 that can reset, allow chip STDC1100 refresh data storer HY57K561620BT again, fileinfo in the internal memory is removed totally the printing that also can interrupt carrying out by clear key simultaneously.
Three LED lamps are respectively power supply/stand by lamp, concerning security matters printing lamp and common printing lamp, and power supply/stand by lamp is red; It is green that concerning security matters are printed lamp; Common printing lamp is yellow.
In the FLASH of the FLASH of print processing module 1 and print processing module 2, write different USB interface VID sign indicating numbers and PID sign indicating number respectively;
In the Control Software of special laser printer circuit, write USB interface VID and PID sign indicating number, can be used as communication identification, prevent that further user's misuse print processing module 1 passage is connected communication with common computer;
The communication identification that comprises corresponding USB interface VID and PID sign indicating number in the drive software of computer terminal;
When described print processing module 1 or print processing module 2 are in operating conditions, the signal of control chip STDC1100 connects built-up circuit by driving interface through wiring and splicing spare and corresponding interface socket, and then the each several part circuit workings such as printing motor, LSU, printing high pressure, state-detection and photographic fixing of control, realize the printing of file.
According to the above description, in conjunction with professional prior art, can reproduce the present invention.
Claims (2)
1. special laser printer, comprise special laser printer circuit, it is characterized in that, special laser printer circuit mainly is made of printing chip treatment circuit and built-up circuit, described printing chip treatment circuit is made up of print processing module 1 and print processing module 2, and print processing module 1 mainly is made of control chip STDC1100, data-carrier store SDRAM, program storage FLASH, driving interface and A type USB interface; Wherein each function port of the control chip STDC1100 of print processing module 1 is connected with data-carrier store SDRAM, program storage FLASH, driving interface and USB corresponding port respectively; Print processing module 2 mainly is made of control chip STDC1100, data-carrier store SDRAM, program storage FLASH, driving interface and Type B USB interface; Wherein each function port of the control chip STDC1100 of print processing module 2 is connected with data-carrier store SDRAM, program storage FLASH, driving interface and USB corresponding port respectively; Print processing module 1 lays respectively in the different printed boards with print processing module 2, and two circuit are in complete isolation physically; Built-up circuit comprises master control, driving and interface section; Comprise a dpdt relay in the main control part by the control of the shift key on the panel; Print processing module 1 and print processing module 2 power supply supply access separately is connected to often opening and normal-closed end of relay; Print processing module 1 and print processing module 2 are connected with built-up circuit respectively by driving interface separately.
2. special laser printer as claimed in claim 1 is characterized in that, comprises the interface socket and the interface socket that is connected print processing module 2 driving interface that connect print processing module 1 driving interface in the circuit of the interface section in the described built-up circuit; The driving interface of the driving interface of print processing module 1 and print processing module 2 is connected by the corresponding interface socket of the circuit of the interface section in wiring and splicing spare and the described built-up circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101670816A CN101814013B (en) | 2010-05-10 | 2010-05-10 | Special laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101670816A CN101814013B (en) | 2010-05-10 | 2010-05-10 | Special laser printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101814013A CN101814013A (en) | 2010-08-25 |
| CN101814013B true CN101814013B (en) | 2011-09-28 |
Family
ID=42621279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101670816A Active CN101814013B (en) | 2010-05-10 | 2010-05-10 | Special laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101814013B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109508156A (en) * | 2017-09-14 | 2019-03-22 | 北京立思辰计算机技术有限公司 | A kind of laser printer special chip |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07230371A (en) * | 1993-12-24 | 1995-08-29 | Mitsubishi Electric Corp | Printer device |
| JP3472638B2 (en) * | 1994-12-20 | 2003-12-02 | 東芝テック株式会社 | Bidirectional communication switching device and bidirectional communication switching method |
| US6025924A (en) * | 1996-09-05 | 2000-02-15 | Ricoh Company, Ltd. | Image forming system including a first printer connected to a host computer and a second printer connected to the host computer via a switching device provided in the first printer |
| US7529868B2 (en) * | 2002-12-20 | 2009-05-05 | Transact Technologies Incorporated | Method and apparatus for controlling a peripheral via different data ports |
| US7275881B2 (en) * | 2004-10-15 | 2007-10-02 | Sanford, L.P. | Control of dual printing mechanisms |
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2010
- 2010-05-10 CN CN2010101670816A patent/CN101814013B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101814013A (en) | 2010-08-25 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 4, Floor 1, No. 139 Shenzhou Avenue, Binhai High-tech Zone, Binhai New Area, Tianjin, 300392 Patentee after: Tianjin Photoelectric Gathered Energy Communication Co.,Ltd. Address before: 300211 No. six, Taishan Road, Tianjin, Hexi District Patentee before: JUNENG SPECIAL COMMUNICATION EQUIPMENT CO.,LTD., TOEC GROUP CO.,LTD. |
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| CP03 | Change of name, title or address |