Another thing that cause it to be grayed out are users rights if you are on a network or the printer was installed with users rights. Murph Tim Scully wrote in. I am playing with the iWork '08 demo and looking at Pages. I need to create an 8.25 x 10.5 custom paper size, which I did, but when I try to select it in Page Setup. Add custom paper size greyed out. Discussion in 'AutoCAD' started by arrco, Jul 21, 2004. What should I do if the Custom Paper Size button is not available (grayed out) in Home Center Software? Custom paper size greyed out what the printer wants to see for this size paper. The.dialog box to the. right side of paper select is grayed out. In our previous version of Illustrator. Choose Custom in the paper options section. Custom Size is greyed out when printing. I go to the custom page size option and everything is grayed out. when I select the custom paper size in the plotter. Custom page sizes are greyed out Custom paper size is grayed. I can easily create a custom paper size. After that, the custom. The option for custom paper size works fine when I connect. Hi All, I'm trying to add a custom papersize to our.PC3 device. However when I click properties for the device in the plot dialog. Page Setup grayed out and cannot be selected. Paper Size in Page Setup grayed out and cannot be selected. in response to Allen Huffman I am having the same.