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

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White lines 1/2" when printing

Cannon multi function mp830 - I had paper jam, finally got it cleared from underneath, now printing leaves 1/2 inch white lines alternating with print lines. I use this to copy, fax, and sometimes connect to my laptop to print from computer.What is my problem?

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Sounds like you may have damaged the printhead or the printhead connections.

I'd recommend removing the cartridges and then the printhead and check for any obvious signs of damage or soiling on the base of the printhead and/or on the back of the printhead. There's also a series of contact plates in the carriage unit (the bit the printhead and cartridges sit in)... These pins can become damaged.

Finally... if the process of removing the jam involved a lot of pulling and shoving you may have damaged the feed mechanism... Hard to know without seeing it so worth checking that some paper and/or ink hasn't soiled any of the calibration strips and is causing the printer to get "lost".


Appreciate the above is a bit technical but start with the printhead and work your way carefully through, looking for anything that might seem out of place or "odd".

Hope that helps.

Martin

Posted on Sep 30, 2009

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Hope you come back for this
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Solution 1:
Move the printhead carriage back and forth a few times.

Solution 2:
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Please come back and just gave a vote, it will gave me some satisfaction to know am helping some one so I will keep on helping.
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Solution 1:
Move the printhead carriage back and forth a few times.

Solution 2:
Check the purge unit: Moving the print head assembly will not clear a purge unit if its jammed with paper, paper clips, push pins, screws, cookie crisp, flower bud pods or the like.

Solution 3:
Press the ink pads down in the purge unit.

Please come back and just gave a vote, it will gave me some satisfaction to know am helping some one so I will keep on helping.
All The Best: Pineworks

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Hi
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Solution 1:
Move the printhead carriage back and forth a few times.

Solution 2:
Check the purge unit: Moving the print head assembly will not clear a purge unit if its jammed with paper, paper clips, push pins, screws, cookie crisp, flower bud pods or the like.

Solution 3:
Press the ink pads down in the purge unit.

Please come back and just gave a vote, it will gave me some satisfaction to know am helping some one so I will keep on helping.
All The Best: Pineworks

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