If you’ve been using your printer regularly and suddenly notice strange issues with your prints, it might not be the ink or toner—it could be the heat roller. The fuser unit, which applies thermal energy and mechanical force to bond toner to paper, plays a vital role in print quality. When it starts to fail, the effects become obvious in your output. One of the first signs is streaks or smudges on your printed pages. These often appear as uneven toner distribution and are caused by degraded silicone layer on the roller. Another common indicator is repeated paper feeding errors. A failing pressure roller may not pull paper smoothly through, causing it to feed unevenly. You might also notice that printed images look faded or don’t stick properly to the paper. If toner comes off when rubbed, the roller isn’t heating correctly. In some cases, you may hear odd sounds like cracking, whirring, or buzzing, which suggests internal wear. A acrid odor coming from the printer is a critical sign that the roller’s heating element is failing. Lastly, if your printer starts displaying warning messages such as "Temperature Fault", it’s often a direct signal that the pressure roller needs replacement. Ignoring these signs can lead to catastrophic fuser failure, so if you see any of these symptoms, غلطک پرس پرینتر hp it’s best to clean and test the assembly before it causes a unexpected shutdown.