printer not recognized

Achieve the following effects:Here's how it's implemented:Using System;Using System.Drawing.Printing;Using System.Runtime.InteropServices;Using System.Windows.Forms;namespace Piss. View.customcontrol{Public partial class Printerconfigmessbox:form {#region Define, construct, initialize[DllImport ("Winspool.drv")]//Call the win API to set the specified name of the printer as the default printerPublic static extern bool SetDefaultPrinter (String Name);pr

When adding a shared network printer, the system prompts "access denied" and other information. You cannot add a printer.Cause analysis:This problem is caused by insufficient user permission settings for the shared printer.Solution:Open printer properties or share interfaceIf no everyone user exists, add the user and grant the print permission.Fault symptom:When you add a shared network

Do you encounter this situation when you use a printer? Then the printer window does not have a printer, so how exactly to solve it? First of all, we must have read all I said after reading the specific how to operate, first of all you need to click on the desktop above my computer, Then you need to right-click to select the Admin option, then find the service an

One office three computers, connected by a router, share a Lenovo Lj3650dn printer. The printer is installed in host A, shared to Host B and host C.Symptom (s): Host C has not been able to print documents through a shared printer for the last few days, prompting no printer connections.First troubleshoot the host settin

Google's official Development wizard has set the Android phone to allow the installation of non-market programs, and in the USB debugging mode, but still can not be recognized after USB connection to the computer, the problem is explained.In the Ubuntu Linux environment, you need to add a rules file that contains the USB configuration information for each device you want to debug. Take the HTC phone as an example to achieve the following steps:

true;}Else{return false;}}Print functions, parameters for printer commands or other text!public bool Write (string MyString){if (ihandle! = 1){int i;OVERLAPPED x;byte[] MyByte = System.Text.Encoding.Default.GetBytes (MyString);Return WriteFile (Ihandle, MyByte, MyByte. Length, out I, out x);}Else{throw new Exception ("Port is not open!") ");}}Close the print portpublic bool Close (){return CloseHandle (Ihandle);}}}************************************

Some departments can not be directly linked to the system for some reason, so must be set. 1, clear the location of the ticket set, respectively, is the name, date, charge items, itemized charges, the amount of the case, the name of the toll 2, and then in Excel to make the same table content, you can play bills 3, but the first to the printer to customize the paper, the amount of good bill is the length and width of the number. 4, from the

How to Set "Local Security Policy" for Win10 printer sharing, win10 printer After the system is upgraded to win10, shared printers often fail to be connected. If you want to smoothly connect to a shared printer ,? You need to set the "Local Security Policy" and modify the settings in "Advanced sharing Settings .? ? ? ? Next, I will share with you how to set the

The win10 printer always prompts "deleting". How can this problem be solved ?, Win10 printer Printers are used by many users in their work and study. Some users report that, when printing files, we often encounter printing queue congestion. It is usually because the first file of the printer is not printed normally, and the subsequent files cannot be printed, bu

HP network printers take the form of Web services, you should add printers-printers over the Internet-fill in the URL http://192.168.1.10:80 (from other Win7 computers-computer-network-network devices, double-click Add Printer, Then right-click on properties in the printer and device to view), select the driver toTo sum up is:Win7: Double-click to open the computer--the bottom left network--network printers

When printing something, click Print, the printer does not respond, prompt "Please check the printer is online and cable connection is normal" how to do? A: As a hint, first check whether the power cord of the printer is plugged in, whether there is bad contact or the interface damage and so on. If the printer can sta

May 10, the ninth China Internet Entrepreneur Conference held in Beijing International Conference Center, with the theme of "Building a mobile business ecosystem", the conference attracted more than 3,000 entrepreneurs, more than 300 industry guests and more than 200 media reporters. of the participation. Appcan as a domestic well-known mobile application development platform, with appcan.cn 3.0 Exhibitors , and picked the Best Mobile Technology Service Award 2014. Live Experience appcan.cn 3.0

Equipment: M 3Problem Description: The real machine is not recognized in Eclipse's devicesWorkaround:Reference: http://blog.csdn.net/wyl530274554/article/details/15497997Step: 1, as shown in the reference, in C: \ User \**** (own account name) \.android\ Create Adb_usb.ini file. Write in: 0x2717 (device manufacturer vid, meter 3 is really this, other equipment installed after the driver self-view, do not understand please visit resources)2. Restart th

1. In the lower left corner of the computer there is a win key, that is, the "Start" menu, we click on it or right click it will see a "Control Panel" click on it to enter. 2. Then we went into the control panel of the system and we found the "Network and Sharing Center" option to click into. 3. Into this interface we find the "Change advanced sharing Settings" on the left to go as shown in the following figure. 4. In the following figure we will see a "File and

Failure Phenomenon: The Windows 7 system shared printer appears "Cannot save printer setup operation cannot complete error 0x00000d9". 　　Reason Analysis: This problem is due to the firewall Windows Firewall service not being opened. 　Solution: Turn on Windows Firewall service Method One 1. Right mouse click on my Computer, choose management and open management; 2. Open the se

The only hosts recognized after MySQL is installed are localhost and 127.0.0.1. If you want to allow the IP address on your machine to log on normally, there are two ways: First, you can enter IP172.16.1.10. The only hosts recognized after MySQL is installed are localhost and 127.0.0.1. If you want to allow the IP address on your machine to log on normally, there are two ways: First, you can enter your IP a

Backgroundrecently need to deploy a cobbler environment, specifically to get a PC host, installed on the CentOS6.5, start to discover:1, can't find/etc/sysconfig/network this file2. Ifconfig-a cannot see the NIC device (except LO)AnalysisThis is because the desktop network card is not recognized, we have to do is to find out the model of the network card, and then, download the driver of this network card, and then, the driver installed, the problem c

C. drawing. in the namespace of printing, some access to system printers is provided. However, to be honest, it is too weak to obtain printer-related attributes. C # obtain the detailed information of the printer. Two methods are commonly used: Use Windows APIs Use WMI Here I am Using WMI, because this method uses SQL-like methods to manage Windows WMI information as a database form, easy

On the basis of the Win7 system, the printer settings cannot be saved when the printer is shared. The workaround for the operation cannot be completed (Error 0x000006d9) . 1, Right click ' Computer ' , select ' manage ' in the menu that appears, enter the Computer Management dialog box. 2. In the Computer Management dialog box, follow the path: services and Applications → Services

I met a user protection this morning, select print will pop up: "The current printer is not available, please select another printer," The initial check, found that the Workstation service was stopped, can not connect to the server's shared printer, start, try again, the situation is still, but the server can connect. Restart print SPOOLSV, or the same. So restar