HP LaserJet Pro M402d

Figure 1-19 Drum cleaning
Cleaning blade
Residual toner collection box
Photosensitive
drum
Toner cartridges
The printer has one toner cartridge.
Design
The toner cartridge is lled with toner and consists of the following components:
●
Photosensitive drum
●
Developer
●
Primary-charging roller
●
Memory chip
The DC controller rotates the drum motor to drive the photosensitive drum, developing roller, and the
primary-charging roller.
ENWW Engine laser/scanner system 25