PIXMA TS9521C not printing black

[RAI]

Although the 280 cartridge was still 1/3 full, I changed it anyway. But still not printing black.  Test print does not print the grid lines.  I've cleaned print head and also did a deep cleaning, several times. 

[Patrick]

Hi RAI,

When printing does not appear as expected, please follow all of the steps provided on this page from the TS9521C's manual:

TS9521C > Maintenance > If Printing Is Faint or Uneven > Maintenance Procedure

If you continue to have difficulties, please contact one of Canon's Technical Support Representatives via phone or chat. To contact a Technical Support Representative, please use the link below to log into your My Canon account:

https://mycanon.usa.canon.com

Once logged in, click on your PIXMA TS9521C and then click on the Product Support button. When that page loads, click on either the Phone Support button or the Chat Support button to access support.

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