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

3 Answers

Alarm light is on and it won't print

The box says   UO71    " more than one ink tank of the following color  (y) is installed"      This isn't true - I have all the correct colors in their place.  Please help!! hsage9@gmail.com  or hsage9@aol.com

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Fixed this problem by installing a new magenta ink cartrige. This makes me believe the problem is in the replacement cartridges.

Posted on Nov 30, 2008

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I called tech support at Canon, and they said this error requires their intervention and I had to return the unit for servicing. I hate this printer!

Posted on Sep 14, 2008

I get the same error message. I pull out the yellow cartridge and put it back in. It will print a couple of times and I get the same message. Need a permanent fix.

Posted on Sep 11, 2008

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Try

Resetting the Ink Counter When an ink tank is replaced, the ink counter must be reset. The low ink warning is only displayed properly if the ink counter is reset.

Message Prompting Confirmation of Ink Tank Replacement
If an ink tank is removed, the printer will output a message prompting you to confirm replacement of the ink tank at the start of the next print job.
When an ink tank has been replaced, follow the procedure below to reset the ink counter. The low ink warning is only displayed properly if the ink counter is reset.
Important
If infrared communication is performed in Windows XP or Windows 2000, the printer will not output the message asking for confirmation of ink tank replacement.
Reset the ink counter from the printer driver when you replace the ink tank.

1 Check the message, and click Yes.

Note
Mistakenly clicking No instead, will prevent the low ink warning from functioning properly. If this happens, be sure to open the driver's Properties dialog box and manually reset the ink tank counter in the Maintenance tab.


2 Select the replaced ink tank, and click OK.
The dialog box allows you to select the replaced ink tank.
When both black and color ink tanks have been replaced, select both Black and Color.
If you have not replaced the ink tank with a new one, click Cancel.

Resetting the Ink Counter in Printer Properties dialog box

1 Open the Printer Properties dialog box and click the Maintenance tab.
2 Click Ink Counter Reset.
3 Select the newly installed ink tank, then click OK

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UO71 More than one ink tank of the follwoing color is installed/U140 The following ink tank cannot be recognized


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I have a cannon mp830 wont print


Solution: Insert one of each color ink tank MP830

New Page 1 More Than One of the Same Ink Tank is Installed When installing or replacing an ink tank, only one of the following ink tanks should be installed. If the ink tank is not installed correctly, an error message will display. mp500_inktankorder.gif
  1. Confirm that the printer is powered on and press the Open button. (The paper output tray will open.)

    mp800_openbutton.gif

  2. Lift the scanning unit (printer cover) completely. (The print head will move to the replacement position.)

    mp500_scanningunit_open.gif

    Note: When the scanning unit (printer cover) is opened more than ten minutes, the print head moves to the right side. If this occurs, close the scanning unit (printer cover), and open it again.

  3. Open the inner cover.

  4. Press on the tab to release the ink tank, then remove it from its slot. If you are replacing multiple ink tanks, make sure to replace one by one.

    05sj00142_01_en.gif

  5. Insert the ink tanks into the print head. Note: Press the mark "PUSH" on the ink tank firmly until you hear a click.

    05sj00141_08_en.gif

  6. Ensure that all the ink tanks are installed properly and the ink tank lamps light red.

    05sj00141_09_en.jpg

    <7> The ink tanks are installed properly.

    <8> The ink tanks are not installed properly.

    Note: Ink Tank LampYou can check the status of each ink tank according to the way its lamp flashes.
    • - On: The printer is ready to print.
    • - Slow flashing (at about three second interval): Ink is low. Prepare a new ink tank.
    • - Fast flashing (at about one second interval): Ink tank is empty, or the printer is not ready due to an error.
    • - Off: An error has occurred and the printer is not ready to print.

  7. Close the inner cover and the scanning unit (printer cover). Note:

    mp500_innercover_closed.gif
    • When closing the scanning unit (printer cover), be careful not to jam your finger.
    • When starting printing next time, the print head cleaning launches automatically.

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UO71 More than one ink tank of the follwoing color is installed/U140 The following ink tank cannot be recognized


Had the same error after replacing my black ink om my MP830.(UO71) I Put some Methylated Spirits on a cotton tip and gently cleaned the cartridge chip (allow it to air dry). This fixed my problem!

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