Question about Canon PIXMA MP830 All-In-One InkJet Printer

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Large black streak down the back of the paper

We have a large black streak printing down the back of our copies. After alot of copies of something it gets lighter. but the next copy down the road it's worse again. How do we clean the copier to remove it? Ee also tried changing the large black cartridge to see if that was the problem but it didn't work either. Help!!!!!!

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  • robm804 Aug 20, 2008

    We get the same problem.

    We use genuine Canon cartridges. Our machine is just over a year old. Tried emailing Canon but they were not interested.

    Any thoughts?

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This is a fairly common problem. More common when you use junk cartridges from printcountry.com.

1) you will need some cotton swabs, isopropyl alcohol and "canned air" or any pressurized computer cleaner.
2) lift up the top console while the unit is on and wait for the cartridges to reset to the center position.
3)Release the grey lock on the LH side of the cartridges and remove cartridges.
4) take alcohol soaked swabs and clean bottom of ports and nozzles.
5) blow out with air.
6) go into program and run clean and align programs. (if you don't have them go to google and type canon mp830 support)
7) retest.
8) if this doesn't work, give to someone you hate or throw out window.

Posted on Aug 20, 2008

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