When printing material is stuck inside the printer, paper jam occurs. If you do not regularly clean the printer or use the wrong paper to print, the error occurs. Printhead problems often occur on HP printers as well. Follow the below methods for troubleshooting HP printer problems. To resolve problems with the HP printer, the first thing to know is why the problem occurs. After the cause is identified, you can take the appropriate steps to resolve this problem. To know more about how to diagnose hp printer problems. The paper jam error is one of the most common problems for most HP printer customers.

Cancel all Printing Jobs on your HP Printer:

1. Select Devices Printers from the Windows Control Panel.
2. In the list of printing devices, locate the right HP printer model. Right click on the correct printer model and choose See what's printing from the drop down list.
3. Open the Printer menu located at the top right and click Open as Administrator in the drop-down menu. 
4. Click the Printer menu in the top right once more, then choose Cancel All Documents. A dialog window will open. You can clear all documents in the print queue by clicking Yes.
5. Try to do a test print to check if your HP printer is now working.

Why does my HP printer show the offline error?

Several reasons could be causing the HP printer offline error that can only be specified after evaluating the condition. However, a few of the most common causes of HP printer offline or as mentioned below.

• You might have updated your Windows device that is connected to the printer in the wrong manner. 
• The HP printer drivers might not be updated or have been corrupted, causing the HP printer offline problem. 
• The network connection might have failed to provide a stable facility. 
• The connection is no more stable and firm leading to communication errors between the printer and the device. 
• The ink cartridges might not be placed in the right position, thus leading to displacement and further offline errors.

Here are some common problems HP printers might face and how you can fix them:

• Paper jam – one of the most common but easily solvable problems, a paper jam is mainly due to the incorrect placement of papers in the tray or the roller. When you have such a problem, just open the printer drum and try to gently pull out the obstruction.
• Blank pages between printed pages – there might be instances where your printer might be spewing out an extra piece of blank paper between your commanded print documents. This can be fixed by deselecting the separator pages from the printer preferences in the printer settings menu.
• Missing colors – there might be a time when your printing might be leaving out a few colors from its final output sheet. You just need to make sure that you replace
  your old ink cartridge with a new and compatible one.  To know more about HP printers troubleshooting steps.