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How to Identify and Fix Common Problems ?

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Sophisticated computer chips inside the inkjet printer convert the electronic image data into precise instructions that are sent to the print head, which in turn communicates with the ink cartridges to tell them exactly how and when to produce their tiny droplets of ink.
Check Cables and Printer USB Ports

Check all cable connections (including the power cord) on the printer side. If the printer does have power and you`ve properly connected the communication cable, but the printer is still not recognized, try switching to a different USB port on the PC.

The way colours are displayed on a computer monitor is by emitting light through combinations of red, green and blue LEDs (RGB). However, in digital print (eg. a desktop printer or commercial digital press) we generally see colours through light passing through dots of cyan, magenta, yellow and black ink (CMYK).
Press your printer`s Setup button. Go to System Setup. Choose Print Quality and then Calibrate Color. Choose Calibrate Now and press OK.
A common cause of faded, faint printouts from your inkjet printer is dried ink particles causing a blockage in your printer. The printheads on an ink cartridge can be become blocked if the printer is not used for a period of time, so it is recommended to print a few pages each month to maintain the print quality.
Because the RGB scheme has a greater range of colors, CMYK cannot produce brighter colors. These hues are beyond the CMYK range and will come out darker and more dull when printed than what you see on your display.
Usually a quick paper setting adjustment will clear up a ghosting issue right away. Run a cleaning – Most printers have a cleaning function built into the machine. Run this a couple of times to attempt to clear up the printing issue. Inspect the drum – Sometimes excess toner powder can stick to the drum.
Ghost prints happen when the drum or fuser unit within your printer become faulty. Because a fault with this element won`t heat the particles of the toner to a high enough temperature, the marks being made on the paper are much lighter in colour and appear more faded than typical documents.
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.
The reason that onscreen colors look different offscreen is because some colors onscreen cannot be reproduced with CMYK printing. These colors are called “out of gamut.” Example colors are metallics and fluorescents.
White streaking through the printout or an entire missing color both indicate an empty cartridge. If the cartridge is depleted of one color, it needs to be replaced. Each color is necessary to create the colors used in day-to-day printing.
Go to your printer preferences and check to see if “print in all black” is ENABLED or DISABLED. Also check for “grayscale” is on. If you have any issue, just uninstall and re-install the software. Please mark a reply “ACCEPTED AS SOLUTION” if it solved your problem, so others can find it.
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.
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.
Presses print with four process colors: cyan, magenta, yellow, and black (CMYK). Printers can create almost all colors by mixing these four inks on the press in varying ratios.
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.
White streaking through the printout or an entire missing color both indicate an empty cartridge. If the cartridge is depleted of one color, it needs to be replaced. Each color is necessary to create the colors used in day-to-day printing.
If there is plenty of ink and the printer does not print, clean the Print Head then print the nozzle check pattern to ensure ink is ejected properly. If the problem is not resolved after performing Print Head Cleaning twice, carry out the Print Head Deep Cleaning.
If there is plenty of ink and the printer does not print, clean the Print Head then print the nozzle check pattern to ensure ink is ejected properly. If the problem is not resolved after performing Print Head Cleaning twice, carry out the Print Head Deep Cleaning.
If you print in mostly black, your black cartridge will naturally run out faster than the color cartridges. However, some printers will pull a bit of ink from the color cartridges when you are printing solely in black, just to keep them primed for future use.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

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

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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 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 500 series M551n Error 98.00.0C
ANSWER : I just ran into one of these on a 4 year old m551. Failed to complete startup at the end of disk check. Followed the above link for troubleshooting.

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First error 58.00.04, then 57.00.03
ANSWER : Did you ever get a resolution for the 57.00.03 error? I’m having a similar problem with an M602 model. Thanks.

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HP PSC 1610 – problem installing hardware
ANSWER : If you want to get proper detailed information about hp printer then you should call on 1-888-924-2961 toll free number. They provide you step by step methods of installation process and driver support services.

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color is not printing true
ANSWER : I changed all toners and drum and it is still doing it.

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Printing Problems
ANSWER : http://www.fixyourownprinter.com/posts/34513

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