HP LaserJet 4SI

How to Identify and Fix Common Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced technical support :

Basic Troubleshooting Tips for HP LaserJet Printers
  1. Solution 1: Check the paper-type setting.
  2. Solution 2: Check toner cartridge status.
  3. Solution 3: Check and print the supplies status page.
  4. Solution 4: Print a cleaning page.
8 oct. 2019
Step 2: Clean the scanning glass
  1. Turn off the scanner.
  2. Lift the flatbed scanner lid.
  3. Use a clean, lint-free clothslightly moistened with warm water or spray a glass cleaner on a clean,lint-free cloth. …
  4. Wipe the scanning glass, andthen wipe the scanning strip with the slightly moistened clean, lint-freecloth.
Before you begin
  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. …
  8. Check cables or wireless connection.
Reasons why your HP printer has ink but won`t print

This may seem obvious, but it sometimes happens: first make sure your paper tray has paper in it. Misalignment, clogged printheads, faulty data communication or insufficient ink levels can also be sources of the problem.

Reasons why your HP printer has ink but won`t print

This may seem obvious, but it sometimes happens: first make sure your paper tray has paper in it. Misalignment, clogged printheads, faulty data communication or insufficient ink levels can also be sources of the problem.

8 Simple Steps to Fixing Your Printer
  1. Hard restart. …
  2. Restart your computer. …
  3. Check the connections. …
  4. Try printing from another computer. …
  5. Check for error codes. …
  6. Check the print queue. …
  7. Double-check what printer you have selected. …
  8. See if there are any updates needed.
13 nov. 2020

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Service manual for an HP Laserjet 4250 (or 4250n)
ANSWER : Hello all,Can someone please tell me where to find service manual for a 4250 or 4250n printer?I used Google, Fileshare.eshop.bg, peer-to-peer, but with no avail …Thanks alot for your answers!

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HP LaserJet 4SI

HP ScanJet 9000 service manual required
ANSWER : Scanner write some numbers, How i can know that number’s mean?

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HP LaserJet 4SI

hp laserjet 4250n service error 49.4c02
ANSWER : The response by DMZCompute worked perfectly. Thank You!

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HP LaserJet 4SI

evenly spaced horizontal lines on hp laserjet III printout
ANSWER : The lines would be a toner cartridge problem. Which paper tray? The MF tray or the optional paper cassette?

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HP LaserJet 4SI

How to copy a card slot in HP laserjet 4250N
ANSWER : None that I know of, using a computer is likely your best option but I never attempted it.

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HP LaserJet 4SI

What repair needs to be done for a "50 needs repair" message on an HP Laserjet IIIP?
ANSWER : I don’t know what you mean by good toner cartridges. They haven’t been built in about 10 years, so if they are new OEMs in the box, they are guaranteed to fail. The 50 error on that printer is mostly a burned out fuser lamp. This site was sold, so as you can see, there are no more kits available.

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HP LaserJet 4SI

HP Laserjet 4250 – RFU LOAD ERROR
ANSWER : Italiano:

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HP LaserJet 4SI

HP Laserjet 4200 50.2 Fuser error
ANSWER : if you are using a good fuser the next part to try would be low voltage power supply

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HP LaserJet 4SI