HP laserjet m1212nf - Manual (Page 185)

3. To redistribute the toner, gently rock the print cartridge from front to back.
CAUTION: If toner gets on your clothing, wipe it off with a dry cloth and wash the clothing in
cold water. Hot water sets toner into the fabric.
4. Install the print cartridge.
5. Close the print-cartridge door and the scanner assembly.
ENWW Manage supplies and accessories 171