Why does HP Printer won't connect to mac

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Why does HP printer won't connect to Mac?
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• Are you wondering why the HP Printer won't
  connect to the Mac? Find out to know more!
  Suppose you're using a cable the primary check
  is to make sure that the printer is securely
  attached to your Mac. Unplug your cable wires and
  then again re-establish the connection, Even if
  the connection appears to be secure. You have to
  check your printer for mistakes, messages, or
  warning lights. Paper may have caused jamming
  inside the printer. It may also be probable that
  your printer may have run out of ink. Flip the
  printer off and turn it on again. Nowadays, most
  devices' technology issues can generally be fixed
  once you perform a quick reboot. Finally, it is
  advised to power your Mac down and then booting
  it.

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Application or Driver Issues -

• In today's world full of Technology, it's been a
  requirement to stay updated. Otherwise, your
  device may not function properly. To help you in
  the same, several other software are available
  online. It is recommended to use Software Update
  to find and install any updated software that may
  affect your printer.
• Hover over the printer manufacturer's website.
• Go to the Mac OS X downloads page.
• download a copy of the driver
• check If your printer driver is missing
• Choose the driver that is compatible with the OS
  X version
• Click on the Install button.
• Follow the on-screen instructions to download the
  suitable driver.

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Network issues -

• your printer can't communicate with your Mac If
  your file-sharing options are off. Also, your Web
  browser may not be available, restricting
  communication.
• Land on the Apple menu
• Go to the System Preferences,
• Click the "Network" icon,
• Apply the "Advanced" button
• Select the "AppleTalk."
• It would be best if you verified that AppleTalk
  is active. Add the printer to your network When
  printing to a wireless printer. You can consider
  connecting temporarily via USB.

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Delete Printer and Print Job Queue -

• Several applications let you check ink levels and
  clear job queues.
• Epson printers, for example, use a standalone
  Printer Utility application.
• Go to your system preference.
• Select the "Print Fax" panel
• Head on to the "Open Print Queue" feature.
• In the queue, click on the desired job name.
• Delete the file.
• Go to the "Print Fax." option.
• Delete the printer itself.

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However, if your padlock icon is locked -

• Head over to the bottom of the window and enter
  your credentials consisting of login name and
  password.
• Go to the printer's panel.
• Select the - (minus) icon
• Head on to the printer's list
• delete the desired printer
• select the "Add Printer" function
• Click on the sign.
• Re-add your printer
• If the printing problem continues, it is
  recommended to delete the printer and adding it
  again.
•  

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Repair Permissions -

• Go to the Applications folder.
• Open the Disk Utility.
• double-click the utility icon
• Select "First Aid"
• Go to the Disk Utility window.
• Click on the hard drive
• Click on the "Repair Disk Permissions" button.
• This sets the program to check the corrupted
  files.  
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• Hopefully, this blog helps you with the HP
  DeskJet 3630 ink cartridge.