Revit Prints Only Part of a Sheet: Large-Format Troubleshooting
If Revit prints only part of a large sheet, first prove the PDF and paper size, then investigate printer memory, driver processing and raster-heavy content before changing the model.
Revit PDF Is Correct but Physical Plot Is Wrong
When a Revit PDF is correct but the physical plot is wrong, the Revit model and PDF export are already strong evidence. Move the diagnosis to the PDF viewer, printer driver, paper source and device.