HP Color LaserJet 8550

How to Identify and Fix Common Problems ?

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To resolve most print quality issues, use genuine HP cartridges, and in some cases, you might need to allow the printer to complete the automatic servicing routine. Check the paper and print settings to make sure that they are correct for the print job, and clean the cartridges and printhead.
1. Check Remaining Ink / Toner Levels & Replace Cartridge if Necessary. Before you do anything complicated, make sure that your printer is not running out of ink or toner. You can visually inspect the remaining cartridge levels on your printer.
The printer is either low in toner, the density is set too low, or the Economode may be turned on. Remove the toner cartridge and shake it. This will redistribute the toner and often will temporarily solve the problem. However, this usually indicates it is time to install a new cartridge.
Printers may produce poor quality printing if they are exposed to too much heat. Don`t place your printers in a high-temperature area or near other devices that produce excess heat. In addition, keep them away from windows, where heat and humidity can be high.
During the printing process, paper, toner, and dust particles can accumulate inside the printer. Over time, this buildup can cause print quality issues such as toner specks, smears, or marks. The printer has a cleaning mode that can correct and prevent print quality problems.
Run a nozzle check to see if any of the print head nozzles are clogged. Then clean the print head, if necessary. The ink cartridges may be old or low on ink, and you may need to replace them. Your printed colors can never exactly match your on-screen colors.
Paper Jams

This is a common laser printer problem. Primary causes include grime, dust, worn rollers, or incorrect paper weight. The most basic way to prevent paper jams is simply through regular cleaning of your printer. Also, replace parts as needed.

Faint, streaky or spotty prints are all common signs of a clog but a simple cleaning can usually get your HP ink cartridges working again. Printheads clog due to infrequent cartridge use. If you regularly go a few weeks without printing, your cartridges will eventually dry out and need to be replaced.
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.
Understanding high-quality print settings

The “Best” setting will produce the printer`s best print quality at the slowest printing speed. “Fast” will print a draft quality quick print. DPI: If your printer has an option to select “Maximum DPI,” use this to get the highest resolution print.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

HP CLJ 8550 does not recognize new Magenta toner
ANSWER : There’s a menu option to tell the printer it has a fresh toner cartridge.

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HP Color LaserJet 8550

hp deskjet 960c printing problem
ANSWER : RE: HP 960c printer. I have new cartridges and the test page prints out full color. When printing a color document the page prints in black & white. Why not color? The print page is on color not black & white.

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HP Color LaserJet 8550

HP Officejet Pro L7680-problems w/black print head
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HP Color LaserJet 8550

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HP Color LaserJet 8550

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ANSWER : Take the black rubber roller out. Clean it and turn it 90-180 degrees so there is fresh rubber in the “corner”.

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HP Color LaserJet 8550

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HP Color LaserJet 8550