CN101852999B - Special laser printer circuit - Google Patents

Special laser printer circuit Download PDF

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Publication number
CN101852999B
CN101852999B CN2010101670708A CN201010167070A CN101852999B CN 101852999 B CN101852999 B CN 101852999B CN 2010101670708 A CN2010101670708 A CN 2010101670708A CN 201010167070 A CN201010167070 A CN 201010167070A CN 101852999 B CN101852999 B CN 101852999B
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China
Prior art keywords
print processing
processing module
circuit
interface
printing
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CN2010101670708A
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CN101852999A (en
Inventor
孙德刚
梅爽宁
朱大力
何鹏
葛彦林
杜维佳
吕前进
王娜
孙芳
朱洪东
高志华
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Tianjin Optical Electrical Communication Technology Co Ltd
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Tianjin Optical Electrical Communication Technology Co Ltd
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Priority to CN2010101670708A priority Critical patent/CN101852999B/en
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Abstract

The invention relates to a special laser printer circuit. The special laser printer circuit comprises a printer chip processing circuit and an adapter circuit, wherein the printer chip processing circuit consists of two print processing modules; the adapter 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 conversion key on a panel; respective power supply paths of the two print processing modules are connected with a normally-open end and a normally-closed end of the relay respectively; the relay is controlled by the conversion key on the panel to switch the power of the two parts of circuit; when one path of print processing module works, the other path of print processing module is in an off state; and a currently used printing interface can be selected by a user according to the printing property of a file, so a currently used computer prints the file through the printing interface connected with the computer so as to bring great convenience to special users for special printing.

Description

Special laser printer circuit
Technical field
The present invention relates to the laser printing terminal device, particularly a kind of special laser printer circuit that is applied to the laser printing terminal device.
Background technology
At present; The laser printer of in market, being sold 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 PRN device through network be shared and carry out the ordinary file printing; But in practical application, 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; The office computer of this unit and printer require special plane special-purpose, 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 confirm 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 through 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
The object of the invention is exactly: the design proposal that a kind of special laser printer circuit is provided; Use scheme of the present invention; Can make a laser printer have a plurality of spendable print circuit passages and printing interface; Be connected with a plurality of computing machines simultaneously on the printer, print operation, to reach the demand of the special printing that makes things convenient for the special user.
The technical scheme that the present invention adopts is: special laser printer circuit comprises printing chip treatment circuit and built-up circuit; It is characterized in that; Said 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 up 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 up 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 is connected to often opening and normal-closed end of relay with print processing module 2 power supply supply access separately; Switch the power supply of two parts circuit through the shift key pilot relay on the panel; When one tunnel print processing module was worked, then another road print processing module was in off-position;
Print processing module 1 and print processing module 2 are connected with built-up circuit respectively through driving interface separately;
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;
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 said built-up circuit; The driving interface of the driving interface of print processing module 1 and print processing module 2 is respectively through interface socket connection corresponding in wiring and splicing spare and the interface circuit;
Advantage of the present invention is: the printing chip treatment 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 with print processing module 2 two parts circuit fully, 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 through 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
Understand the present invention for clearer, describe the present invention in detail in conjunction with accompanying drawing and instance:
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; Supply photosensitive drums, ink powder roller, intermediate calender rolls, paper, cleaning supporting band plus or minus electricity, be used for accomplishing 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, and only usb type is different.
Print processing module 2 is realized by control chip STDC1100, program storage M25P64 (FLASH), data-carrier store HY57K561620BT (SDRAM), driving interface and Type B USB interface.
Print processing module 1 lays respectively on concerning security matters printed board and the ordinary printed plate with print processing module 2, prints communicating by letter of data with relating computer and common computer respectively.
Built-up circuit is positioned in the switching printed board; Comprise like 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 through 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 supplied power.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 through 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 through 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; Let chip STDC1100 refresh data storer HY57K561620BT again, the fileinfo in the internal memory is removed clean, 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 print processing module 1 or print processing module 2 are in operating conditions; The signal of control chip STDC1100 connects built-up circuit through wiring and splicing spare with corresponding interface socket through driving interface; 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 above-mentioned explanation,, can reproduce the present invention in conjunction with professional prior art.

Claims (2)

1. special laser printer circuit; Comprise printing chip treatment circuit and built-up circuit; It is characterized in that; Said 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 up of control chip STDC1100, SDRAM chip HY57K561620BT, FLASH storer M25P64, driving interface and A type USB interface; Wherein each function port of control chip STDC1100 is connected with SDRAM chip HY57K561620BT, FLASH storer M25P64, driving interface and USB corresponding port respectively; Print processing module 2 mainly is made up of control chip STDC1100, SDRAM chip HY57K561620BT, FLASH storer M25P64, driving interface and Type B USB interface; Wherein each function port of control chip STDC1100 is connected with SDRAM chip HY57K561620BT, FLASH storer M25P64, 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 is connected to often opening and normal-closed end of relay with print processing module 2 power supply supply access separately; Switch the power supply of two parts circuit through the shift key pilot relay on the panel; When one tunnel print processing module was worked, then another road print processing module was in off-position; Print processing module 1 and print processing module 2 are connected with built-up circuit respectively through driving interface separately; In the FLASH storer M25P64 of the FLASH of print processing module 1 storer M25P64 and print processing module 2, write different USB interface VID sign indicating numbers and PID sign indicating number respectively.
2. special laser printer circuit 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 said built-up circuit; The driving interface of the driving interface of print processing module 1 and print processing module 2, corresponding interface socket connection in the circuit through the interface section in wiring and splicing spare and the said built-up circuit respectively.
CN2010101670708A 2010-05-10 2010-05-10 Special laser printer circuit Active CN101852999B (en)

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CN2010101670708A CN101852999B (en) 2010-05-10 2010-05-10 Special laser printer circuit

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Application Number Priority Date Filing Date Title
CN2010101670708A CN101852999B (en) 2010-05-10 2010-05-10 Special laser printer circuit

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CN101852999B true CN101852999B (en) 2012-11-14

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202523068U (en) * 2012-04-11 2012-11-07 珠海赛纳打印科技股份有限公司 Imaging device with information protection function
JP2018031911A (en) * 2016-08-25 2018-03-01 株式会社沖データ Image forming apparatus and image forming system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1032333C (en) * 1988-08-16 1996-07-17 惠普公司 Piece-wise print image enhancement for dot matrix printers
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
CN2715262Y (en) * 2005-03-25 2005-08-03 赵凯 Tax-control printer with double paper output paths

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07230371A (en) * 1993-12-24 1995-08-29 Mitsubishi Electric Corp Printer device
JP4706568B2 (en) * 2006-06-12 2011-06-22 セイコーエプソン株式会社 Printing device, usage amount acquisition method, program, and usage amount acquisition system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1032333C (en) * 1988-08-16 1996-07-17 惠普公司 Piece-wise print image enhancement for dot matrix printers
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
CN2715262Y (en) * 2005-03-25 2005-08-03 赵凯 Tax-control printer with double paper output paths

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP特开2007-331133A 2007.12.27
JP特开平7-230371A 1995.08.29

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