Question about HP LaserJet 2550n Printer

2 Answers

Poor printing I have a 2550ln and it started to only print the right half of a page so I replaced the drum and ink but did not work so I cleaned everything and still no change could it be more serious?

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  • luannhayden Oct 28, 2008

    We are experiencing the same issue. It worked fine last week and now it is only printing the right side of the page. We also tried changing cartridges and the drum with no changes. Any help for a solution would be greatly appreciated.

  • tbahome Nov 09, 2008

    Same to me: Black only 3/4th of the page width, colour only yellow, and that very pale...

  • DSMURPHY147 Nov 11, 2008

    I HAVE THE SAME PROBLEM - I HAVE REPLACED EVERYTHING

  • bodforss Dec 04, 2008

    printing only the right half of the page.

  • judylong55 Feb 16, 2009

    I have an HP Color Laserjet 2840 that is having the same problem. I just refilled my toners. That is when it started. Wish I had a solution!!

  • iredbeard May 20, 2009

    tbahome,

    I had this model printer exhibit the same "printing on half the page" issue, and your solution was right on! Apparently after I replaced a defective imaging drum, the user brought it back to their office and it started to make a different grinding sound. I think one of the color toner cartridges must have gotten slightly out of place, which caused a jam, and the drive gear on the left side slipped a tooth.

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Ok,

found a (the?) solution deep down in the web, and it worked for me: The four cartridges are hinged in a big gear wheel left and right of the printer. The wheel is driven by two small gear wheels sitting on a shaft abovee. It can happen that the gears jump one or two tooth on one side, then the cartridges are no longer aligned with the transfer drum (you can see the different gap size from top).

Solution: Take out the cartridges, the drum kit and the fixing unit. Select the black cartridge. Undo the power cord. Undo the side panels (screw at the bottom, then hooks). Take off the rear top panel at the printed paper bay (there are screw driver signs left and right, lift there. Do not try to lift this panel from the back side). Take a close look at the gear wheel linkage of the top cover at the right side, you need to reasemble this afterwards. Take off the top cover. Now you can see the shaft with the small gear wheels driving the big ones that carry the cartridges. When the black cartridge is selected, the two little notches on the small wheels must align with a pale stripe on the big wheels. You can bend the big wheels a bit to move the gears towards each other. You can turn the wheels when you lift the electromagnetic lock on the top right side. Once aligned, put back the top cover in place (with the linkage on the right side). Then you can start a test run after cartridges, drumkit and fixing unit are back in place.

Hope this helps you!

TB

Posted on Dec 04, 2008

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By what i am hearing from 5 different people it is a printer issue. But in saying that when i read the first one i was thinking that it may be the software or the way the computer has set the settings for that printer check your settings.

If you have any questions please dont hesitate to ask

Posted on Dec 04, 2008

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Please rate the tip accordingly and thanks for using Fixya.com.
Cleaning the printer
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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
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I Am Experiencing Poor Print Quality With My Dell™ Printer

Table of Contents
Verify the Printer Ink Levels Using the Dell Printer Solution Center
Clean the printer contacts and print a test page
Clean the Printer Nozzles Using the Dell Printer Solution Center
Dell™ Printer Additional Information
» Verify the Printer Ink Levels Using the Dell Printer Solution Center

Poor print quality of a document or picture may be the result of low ink levels or dirty printer nozzles or contacts.

To check the printer's ink levels, perform the following steps:

1.

Click the Start button, point to All Programs, point to Dell Printers, and then point to Dell (printer model).
2.

Click Dell Printer Solution Center.

3.

Locate the printer's ink levels on the lower right corner of the Dell Printer Solution Center window.
4.

If the printer's ink levels indicate that ink cartridges are empty, click the Order Ink button to place an online order for replacement ink cartridges.

For information about ordering ink for your Dell printer, refer to article: Obtaining Ink for a Dell™ Printer


Back to Top

» Clean the printer contacts and print a test page

To manually clean the printer nozzles and contacts, perform the following steps:

1.

Turn the printer off and remove the power cord from the back of the printer.
2.

Open the printer lid.
3.

Manually move the ink-cartridge carrier to the left by gripping the top of the rubber carrier belt and gently pulling it across towards the right hand side of the printer.
4.

Take a warm, semi-damp paper towel and gently clean the wiper on the right side of the maintenance station.
5.

Lift up on the cap(s) that cover the ink cartridge(s).
6.

Remove the ink cartridge(s), and using a new warm, semi-damp paper towel, gently clean the contacts on the ink cartridge(s).
Verify that the contacts on the ink cartridge(s) is/are sufficiently dry prior to re-inserting into the printer.
7.

Re-insert the ink cartridge(s) back into the correct printer slot(s).

7.

Close the printer lid.
8.

Re-attach the printer power cord to the back of the printer unit.
9.

Press the Power button to turn the unit back on.
10.

Click the Start button, point to All Programs, point to Dell Printers, and then point to Dell (printer model).
11.

Click Dell Printer Solution Center.
12.

Click the Maintenance tab.
13.

Click the Print a test page icon.
A test page prints.


Back to Top

» Clean the Printer Nozzles Using the Dell Printer Solution Center

To clean the printer nozzles and contacts using the Dell Printer Solution Center:

1.

Click the Start button, point to All Programs, point to Dell Printers, and then point to Dell (printer model).
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Click Dell Printer Solution Center.
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Click the Maintenance tab.
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Click the Clean to fix horizontal streaks icon.
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Click the Print button.

Note:
The printer will make sounds when cleaning the nozzles that are not commonly heard during normal usage

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There may be a release lever for the print head assembly which would allow you to remove the print head and clean the excess ink from it. If it appears to get better the more pages you print it may be just a matter of time and lots of pages before it cleans itself.
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