Click start control panel administrative tools computer management then select event viewer this may vary depending on what operating system you have extend the events there you will see errors in red you will no what exactly what the error was and at what time it occured Right click on the error message select properties you will see all details about the error or click start type in event viewer press ENTER you might be able work your way through the problem
You can change the default printer to any other printer that you have connected to your computer. This will simplify your printing tasks, since you can select the most frequently used printer to be the default. These instructions are for Windows 98. Instructions for other operating systems or versions may vary.
Click on the Start menu and click on Settings, then Printers. A window will appear showing the icons of all the printers that are installed on your system. Right-click on the icon for the printer you want to use as the default. A menu will appear. Click on Set as Default. To make sure the correct printer is now set as the default, right-click on the printer icon again. When the menu opens, a check mark should appear before Set as Default. Default Printer for All New Users
b> Microsoft Windows supports a number of printers connected to any one machine. Windows allows users to customize their preferred printer for one-click and quick printing. If you create a new user on a Windows system, the default printer will not be set. Windows 7 allows you to configure a default printer for all users with a quick command-line setting. You must have Administrative access to the system and have the printer configured to run this command. b> Click "Start" and type "Command Prompt" in the Start menu. Press "SHIFT"+"ENTER" to run the Command Prompt with Administrator privileges. Click "Start" and type "Print Management." Press "Enter." Look at the name listed under "Printer Name" for the printer you would like to make default. Double-click it to open the "Properties" dialog. Right-click the highlighted "Printer Name" label and click "Copy." Return to your console Window and type "ntprint /setdefault name=<printer name>" and press "Enter." Replace <printer name> with the printer name on your clipboard. You can paste this by right-clicking the console window and clicking "Paste." http://technet.microsoft.com/en-us/library/cc731857.aspx