To avoid the "Missing Font" [model letter in your first computer does not exist in your second computer] you need to includes the Fonts [model letter] that you use the in your file at first computer.
Text should convert [text is an image and it can't be typewritten again]. This is to avoid the "Missing Font".
Go to the Window => Layers, right click on the layer that marked "T" and then choose Rasterize Type.
Make a similar case in all Layers that marked T.
Do not try using alpha channels (usually appears when we have a vector mask). Because if you import that image on another Software (CorelDRAW, Illustrator, InDesign, FreeHand, etc.) it will disappear when you printed it.
To test whether the prints in accordance with what you see on monitor, you must “Flatten Image” all Layer. Because sometimes display before “Flatten Image” will seen more sharply than after “Flatten Image and not similar with the results of the print.
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Adobe Photoshop Extended CS5 Student & Teacher Edition
