Ghost images are a situation where the image prints correctly, but a much lighter copy of the image prints elsewhere. This may be due to a problem with the electrical outlet that powers the printer. To see the same result, connect to another printer and check the power outlet. How to Troubleshoot HP Printer is a common issue for users. Ghostly printer parts can appear even as they are nearing the end of their useful life. All consumable parts of a printer are rated for a certain number of pages. Once a printer gets close to this magic number, it must change these parts to eliminate the ghost.