Canon Pixma MP950 All-In-One InkJet Printer Logo
Posted on Nov 09, 2009
Answered by a Fixya Expert

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Ink on back

A solid black streak of ink prints on the back of every page. I have manually cleaned the inside "fins" per the website instructions as well as done a deep clean, nozzle clean and bottom plate clean. After performing the bottom plate clean 6 times, it printed two clean sheets, then back to the streaks.

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  • Posted on Nov 09, 2009
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Joined: Oct 20, 2009
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I take this printer is not under warranty, have your tried rubbing alcohol and cutips, works for me sometimes.

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When we attempt to print it leaves black streak marks. At first it printed all black and when we went to setup under maintainence we chose alignment and clean cartridges. This worked however we still see...

If an inkjet printer gives white streaks where it should be black, it means the ink is very low, or there is dirt under the nozzles preventing it from printing properly, or, in the case of non original cartridges, ink might be leaking which prevents the bubbles of ink to squirt onto the page.

If the streaks are black where it should be white, is sounds like some dust or fluff below the cartridge leaves ink smears on the page.
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My printer is not working properly. On the test page, not every line prints clearly.....faint and grey compared to other lines. Lines 1, 4, 8, ll, 14, etc. prints very light compared to the other lines. ...

sounds like your heads are all gummed up with dried ink.Is this a older printer or previously used if so run the cleaner that should have come with your printer software. keep running it until clean or bring it to get cleaned.
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Seems like the ink you are using is bad. It is thicker than what it is supposed be. If you are using HP ink, make sure it is not expired. If you are using a refilled ink or remanufactured ink cartridge, buy from someone else, not where you bought it last. You will need to clean printhead again. Also, to avoid this problem in future, the issue may be that there is too much ink gnk inside the printer. Where the printhead should sit on standby, the ink waste builds up. Clean that area with a butter knofe or plastic knofe. You may not have that issue of drying ink come back for a very long time.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/alex_22751bbefa74c3d0

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Leaving black streaks down paper? Ink cartridge

If this started after cartridge was replaced, then it is probably defective.

Take the cartridge out and take a look at the print head. Clean the print head.
Put the cartridge back in
Try and feed paper (not printing anything on it, if you can not get it to just feed paper, print a blank page) and see if it still has lines. If so, you are probably going to have to clean ink from inside the paper feed area. If not, try using it for a while and if it starts again, get a replacement cartridge. You might want to save some of the bad prints to show the clerk and try to get the new cartridge under warranty.

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My printer is running a white streak through the center of pages

You may clean the cartridge by following the steps given below:
1. Go to the "Lexmark solution center." This can be done by clicking on "Start," go to "Programs" and Lexmark printer group. Click on the "Lexmark Solution center." Next click on the "Maintenance" Tab.
2. Select "Clean and Fix Horizontal streaks." Click on "Print". This will produce a printed page.
The colors that you should see here are black, yellow, magenta (a reddish purple) and cyan (a dark sky blue). You should notice the diagonal lines above and below the solid horizontal lines. These diagonal lines should be solid from left to right with no gaps.
If there are gaps in the lines or the print diminishes across the page, you should run the "Clean Print Nozzle" page a couple more times to try and clear it up. If you still have gaps at the top and bottom, you should "wick" the cartridges by following the steps given below:
1. Please open the "Solution center" again and go to the "Maintenance" Tab.
2. Select "Install color/black cartridge" and remove the cartridge or cartridges from the printer.
3. Get a damp paper towel.
4. Set the ink cartridge right side up on the damp paper towel so that the ink nozzles are against the towel and hold the cartridge in this position for about 15 seconds.
5. Now wipe the print head (on the bottom where the ink comes out) across in one direction only (left to right) until it looks clean.
6. Next dab the cartridge on the towel to make sure that the ink is flowing.
7. Snap the cartridges back into the printer.
8. On your computer, select "Old Cartridge install."
9. Repeat the "Clean Nozzle Page" one more time. If this fails to address the problem the entire procedure may need repeating.

Next, try this printer self-test by following the steps given below:

1. Turn the power to the printer "off."
2. Press and hold the "Paper Feed" button.
3. Press the "Power" button once while continuing to hold the "Paper Feed" button.
4. Keep holding the "Paper Feed" button until one sheet is cycled through.
5. The test is continuous.

The self-test should at least print out a set of either a solid black or solid color bars, if not both (if you have a printer with both color and black installed simultaneously). Should this test fail, try it again without cartridges installed. If the self-test still fails to take paper in and make sounds like the carrier is moving across the paper, this is a hardware issue, and the printer will require service. If the self-test completes without any cartridges installed, run the self-test again with only a color cartridge installed. (If you have both black and color cartridges, after this test, run the test again with just the black cartridge installed.) If you find that either cartridge causes the self-test to fail, please let us know.

If the self-test prints, but has lines or smudges or other print quality issues, let us know.
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Blank Ink not pumping to print head

Turn off the device after removing the printhead After removing the printhead, turn off the device, wait about 20 seconds, and turn it on again without the printhead installed. After it has restarted, reinsert the printhead.

it will go through this long routine of perhaps 20 min or so. after its compleate it should print great.
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New ink cartridges and still won't print .....streaks and faded ink.

hi ,

-try cleaning it manually - by a lint free cloth and moisten it with water then dub unto the printhead of the cartridge- 4 about 4-6 times,then finish it with a dry cloth-

-then run the cleaning cartridge on the printer
-then print an alignment page
-there is no problem on the printer its just the cartridges

jim
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