how to fix printer not printing

and print them four times on the same piece of paper to get the color picture. Pay attention to the following points for better printing: 1. First, the grayscale effect of the printer image, that is, the gray level, must be smooth and uniform, and there should be no line breaks. Some printers claim a gray scale of 128, and the effect is unsatisfactory. Instead of looking at indicators only, it depends on t

In the background management system developed with PHP to achieve the function of order printing, through the heat-sensitive 58MM small ticket printer to the order out, how to implement PHP, there is a better source, no source to a train of thought also line! I don't know anything about this printer. Reply to discussion (solution) Page Setup 100%. An estima

Original: http://blog.csdn.net/johnwcheung/article/details/71576833Android under the device debugging, if the device provides a driver, according to the manufacturer's driver debugging can be, the device does not provide the driver, only in accordance with the common method of debugging.For Smart POS, cash registers, and other printing devices, how can the print function be implemented if the vendor does not provide a

1, Print fuzzy (light) printer Walk paper Normal, printed text, images, etc. intact, but the whole content or part of the color light. 2, printing bottom ash: Paper has a complete print image, but the paper is not clean, there should not be toner where there is a layer of lighter gray toner. 3, Print ghosting: On paper, in addition to the normal image, there are on the pa

Now more and more enterprises and companies in order to save costs, improve printing efficiency, will arrange a public printing room for everyone to use. Convenience and confidentiality is reduced, here to show you a Windows system with the confidential printing function to solve the confidentiality problem. 1, open the file we need to print, in the General

0 Introduction In the author's "Student Status management System", there is a data query module, whose task is to query and browse the set conditions of students or class data, in which the "Print" button function is to display the contents of the table printed out. Because the table and the field in the query results are not fixed, make use of VB itself with the database report is difficult to achieve dynamic printing, the author after the MSHFlexGr

1. First we find the Start menu---Control Panel---Printers and Faxes. 2. Click the printer that we need to set up, select the Print Service attribute in the option below the address bar. 3. When we click on the Advanced tab, we will find that the spool folder for C:windowssystem32spoolprinters, this is where we have to change 4. At this time we found that he is gray, as if unable to change the appearance, do not worry, we just

Print | dialog | The front of the page says. NET environment for printing page settings, printer settings, Print Preview dialog box implementation, now it's time for us to apply them. We need to do some of the following things: 1. The program output type written in the previous article is changed to class library and compiled into PrinterPageSetting.dll; 2, establish C # or vb.net project, and add referen

Set the print properties to construct a new empty print request property set. Printrequestattributeset Pras = new Hashprintrequestattributeset ();p Ras.add (New Copies (3));//print copies, 3 copies// Sets the format of the printed data docflavor.byte_array. PNG MIME type = "Image/png", prints the data representation of the class name = "[B" (byte array) of the Docflavor. Docflavor flavor = Docflavor.byte_array. png;//Find all eligible Print Services Lookupprintservices (flavor, Pras); Find the d

The barcode is ready, and the zebra 888-tt printer sent by the hardware manufacturer is also sent to the serial port printing line, but there is no printer interface on the Jeet t60. Fortunately, the 888-tt printer supports USB ports, find a USB cable, install the printer dr

_path); Copy CodeBMP format According to file header information different data composition structure is also differentMy is 24-bit BMP, after removing the header file 54 bytes, each three bytes (RGB) represents a point.Merge RGB (three bytes merged into one byte) after two to value the pixel point (get 1bit, that is, the point is black or white. The reason for the binary is because my thermal printer

I. OverviewA recent project has a need to go through the pad Bluetooth to connect the L Bluetooth printer to print documents, is to click a button to trigger the generation of documents >> save to the database>> bluetooth printing. First want to implement Bluetooth connection, then go to call Gprinter SDK, here I use Gprinter SDK2.1 version, and SDK2.2 and SDK2.1of the API has a different place, here is the

Card Water System Software printer settings (Star NX-600) I. Add a new paper format 1. Start/set/printer and fax machine 2. Select the current printer and open the menu in the upper left corner, file/Server properties. 3. Open the Print Server property, format/create a new format, and add the [Table name] (for example, myreport) 4. format description (size), sel

As we all know, laser printer toner used up, the principle of the manufacturers are required to replace the toner cartridge or toner cartridge, but the user in order to save most of the cost is added powder. But you know what? can also be "waste" value for the use of color laser printing. We find three old toner cartridge or toner cartridge, clean the residue, you can open water wash, but the drum and fixin

Because the project needs, the customer should print different specifications of the label at the same time, so it is necessary to control the two printers work simultaneously. Have tried before, only the new print process, select the printer in the Codesoft template settings, and open a different codesoft template when the program calls print. But this will have a problem, call printing, always in the defa

Solution: 1, open the computer in the lower right corner of the "Start" button to select "Equipment and Printers"; 2, open "equipment and printers" to find their own need to modify the settings of the printer icon; 3, right-click the default printer, select "Printing Preferences", open, will be "collate" tick selected. m7208w the setup operation, see the

Set the print properties to construct a new empty print request property set. Printrequestattributeset Pras = new Hashprintrequestattributeset ();p Ras.add (New Copies (3));//print copies, 3 copies// Sets the format of the printed data docflavor.byte_array. PNG MIME type = "Image/png", prints the data representation of the class name = "[B" (byte array) of the Docflavor. Docflavor flavor = Docflavor.byte_array. png;//Create print data doc MyDoc = new Simpledoc (New File (""), flavor, NULL); Fin

Method one, through the drive to set up In the drive is mainly to set the paper type, the paper type is set to Black label paper, the setting method is set in the printing time, and not directly in the driver set! Method Two: Through the printer to test paper Check the black mark (before checking to set the induction type as described in the downstairs (above)): The

Edit the QR code online and send it to the thermal printer for printing Online EditingJs plug-ins used:QrcodesvgDraw the QR code plugin colorPicker based on the informationUsed for color selection, js binding event changes the color of the QR code (svg) canvgIt is used to convert a two-dimensional code in svg format to an html5 canvas, and then generate the base64 encoded data of the two-dimensiona

If the machine prints on the file, the following figure shows the action: The paper specifications used by the printer refer to the following figure: To open the Print preferences action: 1. Click on the "Start" menu in the lower left corner of the computer to find "devices and printers" (Windows 8 System Click on the menu shortcut "Win" + "C" key combination-"settings"-"Control Panel"-"View devices and printers"). Take th