text in black ink prints double on my Canon Pixma MG 7120

[kamikyo]

When i print text in black on my MG7120, I am seeing the text printed twice, slightly offset so that it appears like a shadow. This only happens with black ink, gray text and other colors all seem to print fine.

Below is an image of the head alignment page for reference, and a close up of the text to illustrate the issue. I had thought to run an auto printer head alignment, but I cannot find the head alignment sheet that shipped with my printer. Is there anyway to get another (if that is even the issue)?

Thank you!

[Michael]

Hello.

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[balikian]

I have the exact problem. Have you found a solution? 

Neither automatic nor manual head alignment has helped.

[JoeFW]

Any known solution?  I have used all the cleaning tools within Maintenance, no joy.