Ghosting is a faint copy of your text or graphics printed again further down the same page, always the same distance below the original. It happens when toner or an electrical charge stays on a rotating part, usually the drum or the fuser roller, and is laid down again on the next turn. Power problems, mismatched paper settings, damp paper and worn parts can all cause it. This guide shows how to identify the likely part and what to try before replacing anything.
What you might be seeing
- Faint copies of text appear lower on the page
- The ghost is always the same distance below the original
- Ghosting is worse on heavy paper or in humid weather
- Dark headings and logos leave the most visible ghosts
Common causes
- Worn drum
- A drum near the end of its life may not fully clear the previous image, so it prints again on the next rotation.
- Fuser not heating properly
- If the fuser runs too cool or its roller is worn, toner sticks to the roller and transfers back onto the page.
- Unstable power
- A shared circuit, extension cord or battery backup can starve the fuser of steady power.
- Paper type mismatch
- Heavy paper on a plain setting, or the reverse, upsets the heat and charge balance.
- Damp paper
- Moisture in paper changes how toner transfers and fuses.
How to fix it, step by step
Work through these in order and test a print after each one. Most people are done within the first few steps.
The fuser gets hot enough to burn skin. Switch off, unplug and allow at least 30 minutes before reaching near it.
Measure the gap between image and ghost
Print a page with a bold heading near the top and plenty of blank space below. Measure from the original to its ghost with a ruler. A repeated defect is spaced by the circumference of the roller that causes it, and the drum and fuser differ in size. Your manual or the manufacturer's official website often has a chart matching each spacing to a part.
Plug the printer straight into a wall outlet
Laser printers draw a surge of power each time the fuser heats. Move the plug from any extension cord, power strip or battery backup straight into a wall outlet, ideally on a circuit not shared with space heaters, air conditioners or other heavy appliances. If room lights flicker as the printer warms up, the circuit is struggling.
Match the paper type setting
In the printer driver and in the tray settings on the control panel, set the paper type to match what's loaded, such as plain, thick, recycled or labels. Thick paper needs more heat, so a plain setting leaves toner under-fused and prone to ghosting. Test with ordinary laser copy paper on the plain setting to see whether the ghost goes away.
Use fresh, dry paper
Paper left out of its wrapper for weeks absorbs moisture, which changes how toner transfers and fuses. Load sheets from a newly opened ream and repeat the test print. If the ghost fades, store opened paper in its wrapper or a closed drawer, away from windows, kettles and humid rooms.
Run the printer's cleaning page
Many laser printers have a cleaning function in the control panel's maintenance or print quality menu. It runs a sheet slowly through the printer to pick up toner stuck to the fuser roller. Follow the on-screen instructions, run it once or twice, then print your test page and compare it with the first one.
Check drum and toner life
Print a supplies status or configuration page from the control panel to see how much life the drum and toner have left. If your measured gap matches the drum and it's near its end, replacing it should cure the ghosting. A nearly empty or poorly made toner cartridge can contribute too, so try a fresh cartridge if one is available.
Replace the fuser if the gap matches it
If the ghost spacing matches the fuser roller and nothing above has helped, the fuser is probably worn. Some printers have a user-replaceable fuser; follow the manual exactly, and only after switching off, unplugging and waiting at least 30 minutes for it to cool. If your manual doesn't list the fuser as a user part, leave it to a service center.
How to keep it from happening again
- Give the printer its own wall outlet, away from heaters
- Change the paper type setting whenever you load special paper
- Keep paper sealed and dry
- Replace the drum when the printer reports end of life
Common questions
How is ghosting different from repeating spots?
Ghosting copies your actual content: a faint duplicate of a heading or logo appears lower down. Repeating spots are the same mark at regular intervals no matter what you print. Ghosting usually points to fusing, power or a worn drum, while repeating spots usually mean damage or debris on a roller.
Can a battery backup cause ghosting?
Yes. Many uninterruptible power supplies aren't built for the large current a laser printer draws while its fuser heats. The voltage dips, the fuser runs cooler than intended and toner doesn't fuse fully. Manufacturers generally advise plugging laser printers straight into a wall outlet for this reason.
Is ghosting harmful to the printer?
Not by itself, but it signals that something is off. If the cause is a fuser struggling to heat, the problem tends to worsen and can end in a fuser error. Fixing power and settings early, or replacing the worn part, keeps prints clean and avoids an unexpected stoppage.
This guide is general information written for common home and office printers. Menus and button names vary between models, so check your printer’s manual where a step differs. Printer Problems Solved is independent and not affiliated with any printer manufacturer. See our disclaimer.