HP LaserJet 4

How to Identify and Fix Common Problems ?

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Reset the printer to recover from printer failures.
  1. With the printer turned on, disconnect the power cord from the printer.
  2. Unplug the power cord from the power source.
  3. Wait 60 seconds.
  4. Reconnect the power cord to a wall outlet and to the printer. note: HP recommends plugging the printer directly into a wall outlet.
The message is informing the end user that the network printer is in a non-critical error state, such as: low toner, secondary paper tray empty, low paper, etc. The end user can expect the print job succeed when being presented the message.
Below are a few solutions you may want to walk through in order to try to fix your HP printer issues.
  1. Solution 1 : Check Printer Status.
  2. Solution 2 : Cancel Print Jobs for your HP.
  3. Solution 3 : Set HP Printer to Default.
  4. Solution 4 : Basic HP Printer Troubleshooting.
  5. Solution 5 : Update HP Printer Driver (Recommended)
Fix printer connection and printing problems in Windows
  1. Unplug and restart your printer. …
  2. Check cables or wireless connection. …
  3. Uninstall and reinstall your printer. …
  4. Install the latest driver for your printer. …
  5. Clear and reset the print spooler. …
  6. Change a printer`s status to “online” …
  7. Unplug and restart your printer.
If your PC or the LCD screen on your printer is telling you that your ink cartridges are full but no ink is passing through to the paper, then it`s most likely that you are dealing with a clogged printhead. Blurry documents and images that appear faded are also signs that it`s time to remove the excess ink.
The message is informing the end user that the network printer is in a non-critical error state, such as: low toner, secondary paper tray empty, low paper, etc. The end user can expect the print job succeed when being presented the message.
Clear jammed paper from the ink cartridge access area
  1. Turn off the printer, and then disconnect the power cord. …
  2. Open the cartridge access door.
  3. Gently remove any paper that is jammed inside the printer.
  4. Close the cartridge access door.
  5. Reconnect the power cord to the rear of the printer, and then turn on the printer.

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