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Thank you for the research but I am still unlcear since I cannot find information anywhere on it. I need at least 50% Iron oxide in my black toner ink to ourput decals for glass firings in my kilb. Does HP 201 A (now known as CF 400 x 201 X have any specifications ANYWHERE where I can see the content of iron in the toners? I need this information specifically for a chapter in the book I am currently writing. Thank you for any help with this.

_Ellen

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