- -645.2 Consumables replacementWhen the LED indicator shows the following status it means the print cartridge has come to theend of its life. Please replace with a new cartridge before running out of toner.The steps to replace print cartridge are as follows:1) Make sure the printer is powered off.2) Open the discharge tray, grasp toner cartridge handle and pull cartridge out.3) Unpack a new cartridge, and shake the print cartridge gently a few times to distribute tonerevenly inside.4) Remove the drum shutter from the new cartridge and place the cartridge in the printer.Insert the cartridge into the guides, then push gently but firmly until the cartridge snaps intoplace.Note: Remember to install the cartridge in the printer immediately after taking off the drumshutter to minimize exposure to light, since the light will damage the OPC drum.5) Cover discharge plate, switch on the printer and the “Toner Error” indicator should be off.Please check that print cartridge installation is correct if the indicator is still on; if theinstallation is incorrect, please reinstall it correctly. Please contact the service centre if theproblem is still not resolved,6) Print a test page.The IndicatorWarning: Be careful when removing the cartridge, because the toner in itmay stain your cloths.Place the cartridge on a piece of paper, to avoid dropping the cartridgeaccidently.