HP LaserJet 1320 - Manual (Page 164)

5. Gently rock the toner cartridge from front to back to distribute the toner evenly inside the
cartridge.
6. Insert the print cartridge in the printer, making sure that the print cartridge is in position.
Close the print cartridge door.
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.
154 Appendix D HP parts and accessories ENWW