Canon LASER CLASS 830i LASER CLASS 830i/810 Basic Operation Guide - Page 322

Is the machine in the toner saver mode? Set to . (See "COMMON SETTINGS," on p. 12-7.) Faxes do not print. Have you removed the plastic seal from the toner cartridge? Make sure you remove the seal from the cartridge. (See "Set Up the Machine," in the Starter Guide.) Is the toner cartridge installed properly? Make sure the toner cartridge is installed properly. (See "Set Up the Machine," in the Starter Guide.) Is the cartridge out of toner? Replace the toner cartridge. (See "Replacing the Toner Cartridge," on p. 10-11.) Is the correct size of paper loaded in the machine? Make sure you load paper that meets the requirements for use. (See "Paper Requirements," on p. 2-7.) Change . (See "Setting Paper Size and Type," on p. 2-12.) Received faxes print blotched or unevenly. Is set to ? ECM (Error Correction Mode) should eliminate such problems. (See "TX/RX SETTINGS," on p. 12-11.) However, if the telephone lines are in poor condition, ask the sender to send faxes again. Is the sender's machine functioning properly? Ask the sender to check that the scanning components of the machine are clean. 11-32 Troubleshooting