Drum Cleaning; Quenching; Figure 2-10. Cleaning; Figure 2-11. Quenching - Epson C11C605001 - DFX 9000 B/W Dot-matrix Printer Service Manual

Operating Principles

2.1.1.7 Drum Cleaning

After the image transfernxi onto paper, any remaining toner on the OPC drum is scraped off by the
cleaning blade and collected in the used toner bottle.

2.1.1.8 Quenching

After the cleaning process, the re maining negative charges on the OPC drum surface need to be
eliminated to ensure proper print quality fir the next print. During the quentig process, the
drum surface is exposed to the light from the erase lamp to neutralize the OPC drum surface
potential.

Figure 2-10. Cleaning

Figure 2-11. Quenching

Erase Lamp
Light
Rev. A