01/10/2026
A clean PCR helps keep your prints clean. In the latest video of our Basics of Toner Cartridges series, we’re taking a closer look at the Primary Charge Roller (PCR) and the important role it plays inside a laser cartridge.
The PCR helps establish the proper electrical charge on the OPC drum, which is an essential part of the imaging process. But like many components inside a toner cartridge, cleanliness matters.
When a PCR becomes dirty or contaminated, it can interfere with the charging process and lead to streaks and other unwanted print defects across the page.
It may be a small component, but the PCR has an important job and keeping it clean can make a big difference in print quality.
🎥 Watch the latest video to learn more about the PCR and why a clean PCR is essential for consistent, quality prints.