Unfortunately we need more information in order to provide anything close to a coherent guess or response.
What is your output type? (WebHelp, Microsoft HTML Help, Etc.)
What version of RoboHelp are you using? (6, 7, 8, Etc.)
What flavor of RoboHelp are you using? (RoboHelp for Word, RoboHelp HTML, Etc.)
How exactly are you inserting the objects and can you provide a screen capture of how they look "off"?
I generate output normally in pdf / word with printed documentation
Version is RoboHelp 11
Flavor is RoboHelp HTML
By default, I don't apply any layout or indents.
The normal ruler settings on all pages remain within a scale of 10.
Initially I capture the image, resize and save them in the Proejct folder. To insert, I use the Insert | Image flow from the top menu.
If you notice from the below image the full-length picture isn't visible.
Below is an example of text, wherein in the middle of the document indentation is applied to text without any change in settings. The text is supposed to be justified and runs across the entire page, however in printed documentation format the output is different.