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Resolve HP Photosmart C4780 Printer Issues

HP Photosmart C4780 is a compatible and easy-to-use printer that offers the print, scan, and copy features. If you’re looking for a high-speed print, scan, and copy printer, then this one will be the right choice. This printer can print up to a maximum of 25 pages/minute. It is quite common for printers to encounter issues while performing the print or any printer-related operations. This page explains some of the common HP Photosmart C4780 printer issues and their solutions.

HP Photosmart C4780 Printer Issues

Issue 1: Printer Doesn’t Print

  • As soon as you encounter this issue, check if your printer is turned ON.
  • If not, turn it ON.
  • Make sure that your HP printer and the computer are connected to the same network connection.
  • Check whether any error message is displayed on your computer’s display. In most cases, any one of the following error messages is displayed on the screen:
  • Cartridge error
  • The cartridge in the Wrong Slot
  • Cartridge Missing
  • Cartridge problem
  • Depleted Ink Cartridge
  • Incompatible Cartridge
  • Ink Cartridge Failure
  • Print cartridge(s) missing
  • If you see any of the messages, check whether the cartridges are installed properly. If not, remove and reinsert the cartridges.
  • Make sure to replace the empty or incompatible ink cartridges.
  • If the printer not printing issue persists, follow the below instructions.
  • Disconnect the power cord of your HP printer while it is turned ON.
  • Make sure to unplug the power cord from the power source.
  • Leave the printer disconnected from the power source for 60 seconds.
  • Later, reconnect the power cord into the printer and the wall outlet.
  • Turn on your printer and run a test print to check whether the HP Photosmart C4780 printer issues is resolved.

Issue 2: Alignment Errors

  • If you encounter the Alignment Failed or Alignment Unsuccessful error while aligning the cartridges, then re-perform the alignment process.
  • To print a new alignment page, perform the below instructions.
  • First, make sure that your printer’s input tray contains enough paper. 
  • Open HP Solution Center on your computer.
  • Click Settings.
  • Go to Print Settings and click Printer Toolbox.
  • In the Toolbox window, click Device Services > Align the Print Cartridge.
  • Now, your HP printer prints the alignment page.
  • Place the printed alignment page on your printer’s scanner glass.
  • Select OK on your printer’s control panel.
  • Now, the alignment process will be initiated.
  • Once it is completed, make sure to take the alignment page out of the scanner glass.
  • Check if the alignment error is resolved.
  • If not, reset your printer. If you encounter other common HP Photosmart C4780 printer issues, get assistance from our technical experts.
Issue 2: Alignment Errors
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