sherriflake wrote:... The lines DO show in the print preview, but they do not print on the page. Might this be a printer issue?
Could well be the printer or printer driver software. Sometimes an update to the latest printer software can cure a glitch like this.
Here's an empty grid (2 pages) you can try; it prints fine for me.
You can also try exporting the sheet to pdf, then print the pdf from your pdf viewer application. That's usually an effective workaround to get something on paper.