HP laserjet m1212nf - Manual (Page 186)

If the print is still light, install a new print cartridge.
Replace the print cartridge
When a print cartridge approaches the end of useful life, you can continue printing with the current
cartridge until redistributing the toner no longer yields acceptable print quality.
1. Lift the scanner assembly, and open the print-
cartridge door.
2. Remove the old print cartridge.
172 Chapter 11 Manage and maintain the product ENWW