Yeah that didn't help. There was on fill color and it's still not working.
Yikes.

"Eddie O" wrote:

Make sure your spreadsheet does not have have fill color. If it's white
fill, for example, the gridlines won't come out in the print out.

"GRIDLINES IN EXCEL" wrote:

Excel will not print gridlines even though gridlines is checked in all spots.
When you print the worksheet it comes out with no gridlines at all even
though it is checked in page setup and view mode.