HP LaserJet 4M

How to Identify and Fix Common Problems ?

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Here are the most common causes of a printer printing faded text or images: Low ink or toner levels. Toner sticking to the fuser roller or problems with the transfer roller. Low ink or toner density settings.
Why Do I See A Grey Background or Sticking Lines on The Paper? Grey Background: A damaged or worn OPC may cause toner powder unable to adhere to magnetic roller correctly, hence, toner powder may fall on the print-out and causing background issues.
Check the ink levels and replace the color ink cartridge if it is low/empty. Check if the color ink light is blinking on the printer. The ink cartridges that come with the printer are setup ink cartridges that are required to initialize the printer. During initialization, a large quantity of ink is used.
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.

Many people assume that when a printer prints something in black and white, it doesn`t use the color cartridge. But with grayscale setting printing, the printer uses color ink or toner cartridges in combination with black to produce different shades of gray.
Try using a different ink cartridge to determine if your printer is able to recognize cartridges. If your printer used to work with an old cartridge, try installing that old cartridge again and see if your printer produces any sort of output–any shade of gray will do.
The probable cause of your gray printing is your print job includes a background. In a word processor like MS Word, you can add a background or watermark that is nearly impossible to see on your screen and only shows up when printed. A similar situation exists when printing a scanned image.
Clean the printheads: Sometimes the issue why you are unable to print in color is because our printheads are clogged with ink. Clean the printheads and then print a document to check if color printing works. Some printers also have in-built programs that can clean themselves so remember to check for that.
After all, colors will pop more against a rich black than they will against gray. When you order full color print, we recommend using 80% cyan, 80% magenta, 80% yellow, and 95% black to ensure that your black appears as dark and rich as possible.
This error message is usually the result of a cartridge that is not firmly seated in its designated slot. To troubleshoot the problem, begin by completely removing the cartridge from its port. Reinstall the cartridge by positioning it so that it snaps into place and is securely fastened in its slot.
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.
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.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

HP Color Laserjet blank pages – only jetdirect page
ANSWER : What about the engine test? To do that, drop down the front tray. Feel around on the left side at the top and you’ll feel a little plastic dongle. If you lift up on that it will initiate an engine test page. That will be a page containing lines of each color.

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HP LaserJet 4M

HP LaserJet 2200D won't print configuration page
ANSWER : Find someone with a HP LaserJet 4100 and you can configure the card to the IP you want:

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HP LaserJet 4M

HP laserjet 3100 multiple page feed fixed!
ANSWER : Can you tell me what kit you are referring to because I have the exact problem with my 3100 printer?

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HP LaserJet 4M

HP Laserjet 1320tn printing grey instead of black
ANSWER : Try this test. Put a page into the manual feeder and do that same test. When the end of the page is just about to enter the printer, open the lid. Take out the toner cartridge and pull back the shutter. Look at the image and see if it is black. The explanation is that there is high voltage going to both the toner cartridge and the charge transfer roller below it. If the image on the drum is black, then the fault is at the transfer roller not getting enough high voltage. The transfer roller pulls the image off of the drum and down onto the paper. It would not be a laser scanner problem as any issue with it would not result in an overall gray image, but combination of gray and black. It will probably turn out to be a bad HV power supply, which will need replacement. I’ve never seen this particular problem on this model.

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HP LaserJet 4M

HP Laserjet 5p low page count
ANSWER : indicates the P key.In MS-DOS Edit, this character is entered by• Holding down and pressing

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HP LaserJet 4M

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 4M

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 4M

HP Laserjet M3035xs RFU Upgrade
ANSWER : There’s no way.

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HP LaserJet 4M