HP Color LaserJet 5550

How to Identify and Fix Common Problems ?

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The HP Color LaserJet 5550 was released in 2007, but it is far from dated. Its maximum monthly duty cycle of 120,000 pages allows it to withstand almost constant abuse from a single user or an entire office network.
Fastest Color Laser Printer

The HP LaserJet Pro 4201dn has a recommended monthly page volume of up to 4,000, ensuring you can print all your long documents without the worry of a drop in performance from the printer. A 250-sheet paper tray also makes for a set-it-and-forget-it option.

If you look at the back door cover of the printer there is a label that has your model number serial number and also includes the date of manufactuer. Hope this helps.
Color laser printers use colored toner (dry ink), typically cyan, magenta, yellow, and black (CMYK). While monochrome printers only use one laser scanner assembly, color printers often have two or more, often one for each of the four colors.
Press your printer`s Setup button. Go to System Setup. Choose Print Quality and then Calibrate Color. Choose Calibrate Now and press OK.
Windows 10: Right-click and select Control Panel > Hardware and Sound > Devices and Printers. Right-click your product name and select Printer properties.
Press and hold the GO button. All lights turn off. During the next three seconds, the GO, Ready and Attention lights turn on in that order, one per second. Release the GO button to perform the initialization.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

HP DESKJET 1280 ERROR
ANSWER : Help please! Printer power and paper lights continue to flash,- even after : encoder strip cleaned, carriage rod lubed, carriage is not stuck, rollers cleaned, no paper jambed . I know this is a variation on an existing theme, but could anyone help solve the issue.Many thanksKen

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HP Color LaserJet 5550

HP Deskjet 5150
ANSWER : Ok I have the same problem, Kemal. HOW DO YOU DISASSEMBLE the printer carriage and the Ink Service Station from that??

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HP Color LaserJet 5550

HP Deskjet 1120C
ANSWER : I have just experienced a similar problem after cleaning out the ink build up without removing the outer case. The two lights are flashing and the ink cartridges end up on the far left after jumping back and fore a few times.

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HP Color LaserJet 5550

Help the cover on the back of my printer is lost and my printer keeps on shooting out paper from the back end with no writing on it?
ANSWER : There are no parts available, therefore no solution to your problem.

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HP Color LaserJet 5550

hp deskjet 3420- system error
ANSWER : Hi I am having problem in printing from java file , I followed all your steps but C:\\WINDOWS\\system32\\spool\\drivers\\w32x86\\3 after this I am getting no files in this folder ,please help me as I am struggling to get print from java since a week

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HP Color LaserJet 5550

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 5550

HP DeskJet 950C Leaking Ink
ANSWER : Thanks for the “loose, white rectangular piece” comment in my 990cse. I found this same white piece of rubber today jamming up the cleaning station carriage assembly and was wondering where it came from!

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HP Color LaserJet 5550

HP DeskJet 722C Paper Feed Problem
ANSWER : Detach the force string from the holding nothing back one and expel all paper from it.

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HP Color LaserJet 5550