HP Color LaserJet 8550

How to Identify and Fix Common Problems ?

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Print In Single Cartridge Mode

For instance, the HP ENVY series allows you to print in single-cartridge mode. When it comes to printing a single color i.e black, you can perform your printing activity by simply removing the tricolor cartridge and letting your printer default settings to use only black ink.

Go to your computer and click “Print” from the file that you wanted to print. Click on “Properties” and then the “Color” tab next. Select the “Print in grayscale” option by clicking on its checkbox. You can now start printing in black and white.
For Windows:

Go to Control panel and then Devices and Printers. Find and right-click on your printer and click on Printing Preferences. Go to Quick Setup tab and then select Grayscale.

Set Default to Black and White

Right-click on the printer and click Printer properties. In the printer properties window, go to General tab and click Preferences button. In the Printing Preferences window, go to Paper/Output tab. Select Black and White.

When color ink is expended and black ink still remains, you can continue printing for a short time using only black ink. However, you should replace the expended ink cartridge(s) as soon as possible.
The answer is yes, your printer uses a bit of all colors (black, cyan, magenta, yellow) every time it prints. According to HP Support, “[our] printers are designed in such a way that it also uses color inks while printing in black to form a perfect black.
To print in single-cartridge mode, remove one of the ink cartridges, and then continue to print as usual. The printer control panel or computer screen might display a message to install the missing cartridge. To clear the message and continue with the print job, click or press OK.
The single-cartridge mode is initiated when an ink cartridge is removed from the ink cartridge carriage. During single-cartridge mode, the printer can copy documents, copy photos, and print jobs from the computer.
Printers that use two cartridges (one black, one tri-color) can print if one cartridge is empty. To continue printing, remove the empty cartridge from the printer. If a Single-cartridge mode message displays, select OK. If you are using the black cartridge, prints are in black and white (grayscale).
Quality black printing requires both black and colour inks for depth and fullness. All colour printers are designed with this in mind.
Even when you are printing black text only, a small amount of color ink is used to keep the print head charged. The print head needs to be kept charged to prevent air bubbles from entering and damaging the print head.
To save money, you can purchase a monochrome laser printer if you know you don`t care to print in color.
First of all, open the Print preferences and go to the Paper/Quality tab (for HP printers). Make sure that the Color option is selected here instead of Black & White. If the Color option is missing, click the Advanced. In the Advanced Options window, set Off for Print in Grayscale under the Document Options section.
A monochrome printer is a printer that prints only in black and white. Monochrome printers only need a black printer cartridge to print.
Go to your computer and click “Print” from the file that you wanted to print. Click on “Properties” and then the “Color” tab next. Select the “Print in grayscale” option by clicking on its checkbox. You can now start printing in black and white.
If you are trying to install a black ink cartridge in a color cartridge slot, your printer will not function and you could potentially cause damage to the machine. Some photo inkjet printers require two black ink cartridges to print text and more defined shades of black in your photos.
Monochrome printers often have room for a bigger cartridge, giving you a higher page yield, so you don`t have to replace the cartridge as frequently. Laser printers are usually preferred for black-and-white printing, as they typically print faster.
Settings and options

Selecting color or black and white: Color: Uses ink from all cartridges for full color prints. Black & White, Black Ink Only, or Monochrome: Uses the black ink cartridge only for normal or lower quality black and white prints.

Printers that use two cartridges (one black, one tri-color) can print if one cartridge is empty. To continue printing, remove the empty cartridge from the printer. If a Single-cartridge mode message displays, select OK. If you are using the black cartridge, prints are in black and white (grayscale).
The answer is yes, your printer uses a bit of all colors (black, cyan, magenta, yellow) every time it prints. According to HP Support, “[our] printers are designed in such a way that it also uses color inks while printing in black to form a perfect black.
Printers that use two cartridges (one black, one tri-color) can print if one cartridge is empty. To continue printing, remove the empty cartridge from the printer. If a Single-cartridge mode message displays, select OK. If you are using the black cartridge, prints are in black and white (grayscale).

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

HP DeskJet 1220C Prints only Pink & Black
ANSWER : hi everyone. i have an hp ink advantage 5525 all-in-one. changed all cartridges as they were empty and when i tried to print i got blank pages. i gave a print order a couple times to find out what was going on and found out that yellow and magenta inks worked but not cyan and black. removed cartridges, clean and all many times and nothing happened. then i tried this youtu.be/f57jOGj-G5s and the print quality of magenta and yellow improved significantly but still no black or cyan at all. i can’t do the running water thing because the print head is not detachable. any suggestions?

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HP Color LaserJet 8550

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 Color LaserJet 8550

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 8550

HP laser jet 3015 "Upgrade Error Call HP Support"
ANSWER : rgtr

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HP Color LaserJet 8550

black cartridge not printing
ANSWER : https://www.youtube.com/watch?v=thrZtvAhKm0

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HP Color LaserJet 8550

Black line printing in the middle of the page from top to bottom
ANSWER : Take out the toner cartridge and look at the drum. If you see the line, replace the cartridge. If you don’t, then you need to replace the fuser assembly.

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HP Color LaserJet 8550

HP Deskjet 640c wont print??
ANSWER : yes

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HP Color LaserJet 8550

PRINTER FAILS TO PRINT BLACK TEXTS/IMAGES
ANSWER : https://www.youtube.com/watch?v=f57jOGj-G5s

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HP Color LaserJet 8550