You should consider replacing a laser printer pressure roller when you start noticing persistent anomalies in output that don't improve after cleaning the printer or installing a new toner unit. Common signs include uneven toner deposition, ghosting, or washed-out text, especially if they appear in repeated positions on each sheet. Another indicator is repeated paper transport failures, particularly near the heating assembly. If the paper comes out slightly hot yet toner smears easily, the pressure roller may have degraded its thermal properties. Over time, the the fuser roller’s elastomer layer can become brittle, scorched, or polished, which prevents it from exerting consistent force to fuse toner particles securely. Most pressure rollers last between 30,000–220,000 copies, depending on print volume and environmental conditions, so if your printer has reached that range and you're seeing these problems, replacement is essential for optimal performance. It's also wise to replace the roller when you're upgrading the heating mechanism, since they operate in tandem and خرابی غلطک پرس پرینتر replacing both at once can minimize future maintenance needs. Always refer to your printer's manual for the official maintenance guidelines and certified OEM equivalents to ensure consistent print quality and avoid harming internal mechanisms.