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Re: Printing quality off? 2550 HP laser jet?
When installing new cartridges, it's always a great idea to perform a cleaning and recalibration of the machine. Below are the steps needed to do just such a task. You may want to print these out or save them somewhere for future reference as well. They are directly from the HP website.
Please rate the tip accordingly and thanks for using Fixya.com. Cleaning the printer
Verify the printer is turned on and in the Ready state.
Open the HP Color LaserJet 2500 Toolbox. Click Cleaning Page on the Troubleshooting tab, and the click Print (HP Color LaserJet 1500 or 2500) or Cleaning Page (HP Color LaserJet 2550). A page with a pattern prints from the printer.
Remove any paper that may be in tray 1.
Remove the page that printed and load it face down into tray 1.
At the computer, press Clean .
Calibrating the printer
There are two methods of calibrating the printer manual: at the printer or from the Toolbox on the computer.
From the printer
Turn the printer off and then on again.
From the HP Color LaserJet 1500 or 2500 Toolbox on the computer
Open the HP Color LaserJet 1500 or 2500 Toolbox in one of the following ways:
Double-click the HP Color LaserJet 1500 or 2500 Toolbox icon on the computer desktop.
Select Start , Programs , HP Color LaserJet 2500 , and then HP Color LaserJet 1500 or 2500 Toolbox to open the Toolbox from the Windows desktop.
Click Diagnostic Tools on the left side of the screen on the Troubleshooting tab.
Click Color Calibration to perform the calibration procedure.
From the HP Color LaserJet 2550 Toolbox on the computer
Open the HP Color LaserJet 2550 Toolbox in one of the following ways:
Double-click the HP Color LaserJet 2550 Toolbox icon on the computer desktop.
Select Start , Programs , Hewlett-PackardHP Color LaserJet 2550 series , and then HP LaserJet Toolbox to open the Toolbox from the Windows desktop.
Click Print Quality Tools on the left side of the screen on the Troubleshooting tab.
Click the Calibrate Now button to perform the calibration procedure.
This unit needs an imaging drum and to be calibrated. It should automatically calibrate after installing the new drum. You may have to "run off" a few dozen pages after the new drum is installed to remove any excess toner that remains.
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Did you remove the strip that the printers ship with? If the pull tab is still in then there is typically enough toner to print a few pages and then it fades out. Remove cartridge and check on left and right hand sides for a plastic loop usually orange. The instructions would have been in the box.
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.
I have to ask this question of you, just to make sure this is not an issue.Are you using a factory new ink or toner cartridge? Please consider the following: If you are using a refilled or third party cartridges that may well be your problem.Most manufacturers build logic into their products to prevent the use of “Other Equipment Manufactured” cartridges as well as re-filled cartridges. They do this to prevent problems from contaminated inks or toner causing problems with print quality or damaging the physical printhead or photo conductors. If you are using factory new ink or toner cartridges, then please call the manufacturer’s Technical Support for assistance with the warranty on the cartridges Don
Is the light printing the same for black and white vs color? Light printing on a side is not uncommon for these printers. It is usually caused by the laser optics getting dirty. But this usually shows up more in one color than the other. Such as something printed in yellow is fine while red is faded on one side. If the light on the right side printing is the same on all colors including black then I would suspect something with your transfer unit.
If you do notice that it us just on black or another color then it is definately time to get the laser optics cleaned.
Have you thought about having your printer cartridges refilled? There are huge savings to be made in doing so and the quality can be just as good as the original cartridges (depending upon the refiller). Another option would be for you to purchase an older color laser printer such as the HP Color Laserjet 4500 or 4550. I use one myself and couldnt be happier with it. And as its an older printer, you can get the cartridges relatively cheap.
I have a SCX-4100 Samsung, replaced the tonger cartridge, it was working fine for a few hundred sheets of printing, but after that, the left side of the page was printed very light, faded. If I run the "Clean Drum", it will print a litter better, but still faded. What can I do to correct this problem? Thank you TT