HP Color LaserJet 3800 Printer series - Manual (Page 128)

7. Firmly close the front door.
After a short time, the control panel should display Ready.
8. Installation is complete. Place the used print cartridge in the box in which the new cartridge arrived.
See the enclosed recycling guide for recycling instructions.
9. If you are using a non-HP print cartridge, check the printer control panel for further instructions.
For additional help, see the Web sites listed in Supply replacement guidelines .
114 Chapter 7 Maintenance ENWW