Black, blue and yellow print clearly but the red / pink (magenta) is always faded to the right and left of the page, the middle is faded but not as badly, tried numerous new cartriges (not compatibles), but same bad results. Ran through the cleaning process on the machine, no success.
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The color of HP LJ 2600n fades due to following reasons
1. the color cartridge near to empty
2. due to dust on reflection mirrors inside the printer
if the color cartridges are OK, then you need help of HP technician support, because cleaning of mirrors is very technical in nature for 2600n.
Dusty Environments can lead to Laser Scanner Contamination. The dust layer on the mirrors prevents proper transmission of the laser output in the imaging system leading to faded colors on the printed page. The initial stages of this failure typically occur in the magenta or yellow color planes as faded or light color. Often the left side is more faded than the middle.
You may need to contact the nearest Authorized Service Tech and get teh Laser Scanner replaced with the new released service part that has a mirror in a location where the dust ideally cannot reach easily.
Also, please ensure that the printer is relocated from the current location to a more dust free zone.
Hope this helps, if so do rate the solution
This is a common problem with this model of printer. The scanner optic degeneration is due to dust buildup on mirrors and lenses. Since the most vulnerable mirror reflects its laser beam to the magenta and yellow toner cartridges, red tones are the first to show fading. Colors shift: purples turn blue and oranges turn yellow. The printer optics will need to be cleaned by a compliant technician to resolve this issue as it means dismantling your printer and cleaning the mirrors and lenses in the optic section to fix the problem.
The most likely problem is that the laser writers are dirty. This is not necessarily an easy task but very doable. I have done it a number of times in well under 30mins. I will post a link at the bottom of this that very clearly explains to steps that need to be done. Follow these steps closely and you should be good to go in an hour or so! :)
This is a common problem with this model of printer. The scanner optic degenration is due to dust buildup on mirrors and lenses. Since the most vulnerable mirror reflects its laser beam to the magenta toner cartridge, red tones are the first to show fading. Colours shift: purples turn blue and oranges turn yellow. The printer will need to be cleaned by a certified HP technician to resolve this issue as it means dismantling your printer to fix the problem.
Faded prints are possible due to following reasons.
1. Fogged red mirrors inside the Laser box 2. Alignment of the Laser Box 3. Calibration Problem 4. Cleaning Problem
I will guide you with simple steps first, if this dosen't work working with laser box is little tough & time consuming, hence will describe later.
To Calibrate the colors, Press the 'Green Button' in the front panel, use the arrow keys to navigate through menu.
Select 'System Setting' by pressing the green button again, navigate using the arrow keys and select the 'Calibrate Color', select green button to select and confirm to 'Calibrate Now'. This will take few minutes.
In addition to that, to clean the paper path, select the green button and use the arrow keys and navigate thru' menu and select 'Service'. select using the green button and navigate through menu and select cleaning option. This will take few minutes.
Try printing some documents and check whether you have fixed. If you have not got the original print quality, Let know to guide you more technically.
Print a "Config Report" from the printers menu...If u notice that the fourth square on the left side (fourth being the bottom square) for Magenta (reds and orange) is missing or very faded, this could indicate that the optical mirrors inside the printer have to be cleaned...Design flaw. ESP..if changing toners doesn't work and your your faded issue is with Magenta (Pink, red, or orange) colours are the only faded ones...With this design flaw in the optical mirrors, magenta mirror is the first to be affected!
Hope this helps!!!! I work in the industry :)
You need to see if the problem is coming from all of the colors or just one. You can print an internal test sheet or just print something with cyan, magenta, yellow and black to see if one or all of them are faded.
If all of the colors are faded and you have already replaced the cartridges then check the fuser unit. It is possible that the toner isn't fusing properly.
The internal optics are dirty. It's a known problem that HP's been ignoring. More info is here:
Detailed instructions are on this page - look for Don Thompson's posting at Sep 15, 2007 23:38:51 GMT and click the papercliip to see the procedure. It's not for the faint of heart.