Here are some steps that you should try to narrow down the issue:

1. Check the printed page against what you can see on the computer screen – are parts of the page missing?
2. Ensure that the paper you are using is supported by your printer by taking note of the printer accessories and recommended paper weights.
3. If possible, check your printer with a different computer to confirm whether the issue is with the hardware or computer.
4. Check the driver software by ensuring it is up to date. If the driver is up to date, try changing or re-installing it.
5. Clear the print queue and spooler cache, then try to print the page again.
6. Check the quality of the document – if it has too little or too much ink in certain areas, it may only print partial pages.