HP Color LaserJet 4550N

How to Identify and Fix Common Problems ?

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If your printer is running low on ink, it may start printing blank pages. To check your ink levels, go to your printer`s control panel and select the Ink Levels option. Whenever the ink levels are low, replace the cartridges with new ones. You can also try shaking the cartridge gently to redistribute the ink.
Several factors may cause the product to print blank pages, such as print settings, low ink, or the product itself. Check the following: Make sure the product is placed on a flat, stable surface that extends beyond the base in all directions. The product won`t operate properly if it`s tilted or at an angle.
Select Skip Blank Page

You can use the Print Preview function to check for any blank pages and remove them before printing. Alternatively, select Skip Blank Page in your printer software. In Windows 10, select Start > Settings > Devices > Printers & Scanners.

Even if your cartridge is full and ready for action, it may have become slightly dislodged and no longer in full electrical contact with the printer. The easiest way to rectify this potential problem is to simply remove and reinstall the cartridges.
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.

For other types of websites, the most common reason for a blank page is code-related; for example, there may be a character missing somewhere (such as a semicolon, a quotation mark or a bracket). In those cases, instead of an error message, the website will simply show a blank screen.
Partial prints are a common issue with printers and there are several main reasons it can occur: Problem with the print spooler (on Windows PCs) Overload of the GPU on later model Macs. Dodgy USB cord.
Click the start menu and search for `Devices and Printers`. Select devices and printers in the search bar. This will allow you to see the printers connected to the computer. Click the printer you want to check, and you`ll see the ink levels at the bottom of the devices and printers section.
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.
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 sponge end of a blocked printer head can be cleaned with only one liquid other than water. This liquid is isopropyl alcohol. Isopropyl alcohol isn`t strong enough to melt the sponge but is still strong enough to dissolve the ink inside the blocked printer head.
Soak the Printhead

Fill a bowl with warm water (or a mixture of water and vinegar to clean the printhead) and place the printhead directly in it. Let it sit for five minutes or so. Pull the printhead out of the water and use a lint-free cloth or paper towel to remove the dried ink.

When referring to a non-impact printer, like an inkjet printer, a nozzle is a small hole found on a printer cartridge`s print head. Nozzles can be smaller than a human hair. Each nozzle produces millions of ink droplets used in creating the images and text generated by the printer.
Select your printer then press “Manage” Select “Printing Preferences” Click on the “Maintenance” tab on the far right. From there you should be able to see ink levels for your selected printer.
The nozzle check function allows you to check whether the print head is working properly by printing a nozzle check pattern. Print the pattern if printing becomes faint, or if a specific color fails to print.
: a sheet of paper that does not have anything written on it.
It`s a test to see if what you`ve written has meaning to someone who has never encountered your brand or content before. In Ian`s words, “Will this text, written on a blank sheet of paper, make sense to a stranger?” The Blank Sheet of Paper Test is about clarity without context.
In digital documents, pages are intentionally left blank so that the document can be printed correctly in double-sided format, rather than have new chapters start on the backs of pages. Intentionally blank pages have also been used in documents distributed in ring binders.
What is the shortcut to enter a blank page? To insert a page break, press Ctrl+Enter.
Press the tiny reset button located beside the chip and hold for 10 seconds. Depending on the brand and model of the cartridge, you may not need to hold the button for 10 seconds, but it won`t harm the cartridge so do it anyway just to be safe. Done.
Many printer models require at least some ink in all cartridges to keep printing. However, if you`re lucky, your software may allow you to squeeze out the rest of your color ink without using black.
The Print Spooler is software built into the Windows operating system that temporarily stores print jobs in the computer`s memory until the printer is ready to print them. In some circumstances you may need to stop and/or restart the service.
Low or empty cartridges can also cause the printer to print blank pages. So, check the ink/toner levels on your printer and replace cartridges if necessary.

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 Color LaserJet 4550N

HP Color Laserjet 3800 problem when printing color
ANSWER : Do a cold reset

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HP Color LaserJet 4550N

My 2550n Color LaserJet does not want to print in color
ANSWER : That model had issues with the carousel solenoid sticking. That might explain why it works after you let it sit for 10 minutes. The solenoid gets hotter with use which causes the deteriorated foam on it to become sticky and hold down the release plate instead of letting it go. This allows the carousel to spin when it is supposed to stop for each color. The solenoid is located on the right side of the printer. If you open the lid, it is just behind the opening at the top right. You need to remove the top of the printer and scrape off the goo on top of the solenoid body. I put a piece of thin sticky backed felt to replace it. Other people use electrical tape.

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HP Color LaserJet 4550N

HP Color Laserjet 2840 spitting out blanks
ANSWER : Moe- You are the man!

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HP Color LaserJet 4550N

HP 4550N formatter diagnostics
ANSWER : With power off, pull out the network card. Power on and try again. Also, if any memory is installed on the formatter, pull that off and try that.

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HP Color LaserJet 4550N

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 Color LaserJet 4550N

Reset HP Color Laserjet 4700 transfer kit
ANSWER : How about the situation when resistor does not reset the transfer belt count and even new transfer belt out of the box is not doing it. Do you have any idea how to solve this problem? I did reset transfer belts and fusing units on several HL 4700 printers with no problem but also I came across few which were not possible to reset even with oryginal parts.

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HP Color LaserJet 4550N

HP 4550N formatter board
ANSWER : You can replace it by finding the slot of DIMM, where the existing HP4550N formatter board is installed. More info is available here

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HP Color LaserJet 4550N