How to troubleshoot printers that cannot be printed

One, the printer is not online causing the printer to not print

On most printers, the online button has a small light that indicates an online status, which should normally be in illuminated steady state. If the LED is not lit or blinking, the online instruction is not working properly. Please check that the printer is powered on, the printer power switch is turned on, and the printer cable is connected properly.

　　Second, open the printer again

If the online LEDs appear to be online correctly, turn off the printer and then open it again to try printing the document again. This operation clears the print document data stored in the printer's memory and solves many problems, but sometimes this method causes the print output to be confused and will not print properly until the system is restarted.

　　Setting the printer as the default printer

The steps are as follows:

1. Click the Windows Start menu, point to Settings, click Printers, and open the Printers window.

2. Right-click the printer icon, the system pops up the Quick menu, click "Set as Default".

If the printer window does not have the printer you are currently using, double-click the Add Printer icon, and then follow the prompts to install the printer.

　　Four, the printer is in a paused printing state to prevent printing

In the Printers window, right-click the printer icon that you are using, and then click to clear the check mark before the Pause printing option.

　Five, disk free space below 10MB causes printer not to print

If the available hard disk space is less than 10MB (generally referred to as C disk), you must free more space to complete the print task. At this point, click the Disk Cleanup button, and then in the Files to delete list box, select the type of file you want to delete, and then click OK.

　　Increase the printer timeout setting

To check or change the timeout setting, follow these steps:

1. In the Printers window, right-click the printer icon, and then click Properties.

2. Click the Details tab to increase the timeout settings under Timeout settings. The unselected item specifies the time Windows waits for the printer to enter the online state, and an error message is displayed after the specified time.

　Vii. local printer port settings are incorrect, causing the printer to not print

The steps are as follows:

1. In the Printers window, right-click the printer icon, and then click Properties.

2. Click the Details tab, and in the print to the following port box, make sure the printer is set to the appropriate port. The most commonly used port is set to "LPT1" and the printer uses a USB port.

　　Eight, the program generated output is incorrect, resulting in cannot print

To determine whether the output from the program is correct, you can validate the method by printing the document through another program. We create a new Notepad file, type a few lines of text, and then, on the File menu, click Print, and if you can print the test document, you have a problem with the program you used to print, please reinstall the program.

Nine, the printer driver damage caused the printer can not print

Sometimes, the printer driver may be corrupted, causing an error that cannot print the document. We can reinstall the appropriate driver and then print it again.

1. In the Printers window, right-click the printer icon, click Delete, and then click Yes. If you are prompted to "delete private files for this printer," Click the Yes button. If you are prompted to remove the default printer, click the OK button.

2. In the Printers window, double-click the Add Printer icon, open the Add Printer Wizard, click the Next button, and then execute the screen instructions.

　Ten, the printer port in the BIOS is set to shut down to prevent printing

The printer usage port in the BIOS should be set to Enable, and note that some early printers do not support ECP type print port signals, and you should set the print port to "Normal", "SPP", "Ecp+epp" to try.

　11. The system infects the virus causes the printer not to print

Check if there is a virus, use anti-virus software antivirus try.

　　12, the port, the printer cable problems caused the printer can not print

1. Whether the printer cable connection is reliable if your computer is connected to the printer indirectly, make sure that the cable connecting the computer and the printer is plugged in at both ends. If you are using a print switching device, bypass the switch device, connect the printer indirectly to the computer, and then try to print.

2. The test port connection connects the printer to another available port, retries the print document, and indicates that the original port is damaged if it is able to print.

3. Test the printer cable for another printer cable, and then try to print the document again, if you can print the original cable is damaged.

Printer can not print is the most common failure of the printer, in general, the above method can solve the problem, if it can not be resolved, recommended to professional printer maintenance organization.