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What is a Print Spooler?

A printer spooler is a simple program that manages all print jobs that are submitted to the print server or a computer printer. It allows the users to store multiple print jobs within a print queue or a buffer without affecting the application or the underlying system performance, and it also allows to delete a print job being processed. It enables a user to manage the print jobs currently waiting to be printed.

A printer spooler helps to understand some software components, which establish the printing process when you are trying to remove problems with a printer that is connected to a Windows computer. It eliminates the requirement to keep an application running until the printing process is finished. A print spooler's most significant purpose is to control the sequence in which documents are printed. A printer spooler may control printing in the background while you continue to use your computer. When you give the order to print a document, nothing comes out of the printer. This is because the print spooler needs to be reset as it may be hanged up.

Some print jobs are stored in a print queue or a buffer because computer printers take time to print. When the printer has printed all documents and is available for the next job, it retrieves the pending document from the print queue and prints it. Furthermore, with the help of a printer spooler, users can also view current jobs within their size, status, time, print queue, and the ability to suspend and delete them. With current print spoolers, the printing process has a little influence on user productivity. In contrast, users had a need to wait until a document was printed before performing other actions in the early days of personal computers.

Stuck in the Print Queue

A print queue is a collection of print jobs that are waiting to be printed from a list. All the print jobs are shown in a dialog, which can be seen after you describe the file for printing. When a printer has completed printing any document, it is removed from the queue of waiting jobs. When you are printing a document, and it stays in the queue without printing, in this case, you need to check the printer first for fixing problems like lack of ink or paper. Also, if there are no evident printer issues, there could be a problem with the files you're printing. Additionally, for the job that does not print from the queue, you can remove that job, and do not worry about other documents; they will print correctly.

Why do you need a printer spooler?

For the printer, controlling all of the information about what you're printing is more difficult. This is due to the fact that it lacks sufficient memory and is too slow. For case, when your printer is connected in an office where many people give the command to print the document at the same time. Therefore, a program is required for the printer, which decides the order of the documents what document should be printed first (on the basis of who clicked print first). And, instead of sending it to all printers at once, it slowly passes the list of documents to be printed.

You will have a spooler built into your device if you use a Windows operating system. With your printer, a spooler functions for ordering the print jobs. Users had a need to wait until one job is finished before performing other actions in the early days of personal computers, but in modern times, a spooler fixes this problem, and you do not need to wait for one job to finish before loading up another. It simply puts all the jobs in a queue and prints with the order.

What is a Print Spooler

Common problems

After you click print, there are different issues involved with the spooler with printers. In most cases, the spooler has added a document to the print queue or has sent a document to the printer if there is an issue with it. Then, it will stop all the prints jobs behind it in the queue. These include:

  • When you click print, it may be stuck, and nothing comes out from the printer.
  • In the spooler, the spooler cannot translate the data or document for the printer as the spooler becoming corrupt.
  • There may be a spooler service failure. Through the transfer of information, the spooler or PC software has crashed partway.

All the problems given above mean that your printer will refuse to print anymore and stop in its tracks.

Steps to Clear Print Queue

The print spooler can be the culprit if all the print jobs in the queue have got stuck and nothing comes out. The spooler may have encountered an error or may be hung. There is a symptom of a spooler problem when the presence of print jobs stays in the queue and appears to be stuck, and it cannot be deleted.

Microsoft recommends following these below steps if a print job will not delete in Windows 10.

  • Cycle printer power: Cycling the printer power may be the solution to delete a stuck job in the queue; first, you need to turn off and unplug the printer, then wait for 30 seconds and turn it on the back again.
  • Check the printer connection: If your printer is wireless, check the wireless network connection of the computer and run the printer's wireless diagnostics. If your printer is wired, check the cable is connected.
  • Remove and reinstall the printer: With the help of using the Remove Device, removing and reinstalling the printer helps you out to delete the job stuck in the queue. And, in Window settings, add Device command in the scanners and printer function.
  • Updating printer driver: The printer manufacturer's website allows the users to update the printer driver that may help remove errors. Therefore, you must to download the latest version of the printer driver.
  • Run the Microsoft printing troubleshooter: Microsoft Support website allows the users to run the Microsoft printing troubleshooter feature, which may help them out to delete the job stuck in the queue.

After following these five steps, if you are unable to clear the print queue, nothing is printing; it is recommended by Microsoft to clear and restart the print spooler. This is done with the help of using the Service desktop app. The Microsoft Support website has instructions for using the program to reset the print spooler in Windows 10..

Check for Spooler Diagnostic Tools

Some free software tools are offered by certain printer manufacturers to help solve issues with their printers. For instance, the company Hewlett Packard makes printers and scanners and provides HP Print and Scan Doctor for users on its website. Once you download the tool, issues and diagnose caused by hardware or software can be detected by this tool. This type of utility can address print spooler issues without requiring access to Windows Services by downloading and running them.

How to restart the print spooler service

If a computer is having trouble sending a print job to a printer, it could be a problem with the print spooler service. You can follow some given steps to reset the print spooler service if it is not running or is hung.

  • First, you need to access the Windows Task Manager.
  • Then, click the Services tab in the Task Manager window.
  • Now, to sort the list of services by description, click on the Description column header.
  • Scroll down the page to find the Print Spooler service in the Description column. The service is called Spooler in the name column.
  • Finally, you need to right-click on the Print Spooler service, and in the pop-up menu, select the Restart option.

After you've completely restarted the Print Spooler service, try printing a document or an image to see if the computer can deliver the print job to the printer.

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