Canon LASER CLASS 830i LASER CLASS 830i/810 Basic Operation Guide - Page 321
Print quality is poor., Is the toner low or unevenly distributed?
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Can the sender's machine send the CNG signal, which tells your machine that the incoming call is a fax call? Some machines cannot send this signal. In such cases, receive the fax manually. Cannot receive a document manually. Is the machine set to receive manually? For the machine to receive faxes manually, the receive mode must be set to . (See "Basic Receiving Method," on p. 5-2.) If you set to , the machine will receive faxes automatically even when the receive mode is set to . (See "TX/RX SETTINGS," on p. 12-11.) Did you hang up the external telephone before pressing [Start] or dialing the remote reception ID? Always press [Start] or dial the remote reception ID before hanging up. Otherwise you will disconnect the call. Are documents set on the ADF? After removing the document from the ADF, please attempt manual receiving again. If you press [Start] when documents are set on the ADF, it automatically switches to manual sending. Print quality is poor. Is the toner low or unevenly distributed? Redistribute the toner inside the toner cartridge. If the problem persists, replace the toner cartridge. (See "Replacing the Toner Cartridge," on p. 10-11.) Is the correct type of paper loaded in the machine? Make sure you load paper that meets the requirements for use. (See "Paper Requirements," on p. 2-7.) Is the sender's machine functioning properly? Ask the sender to check that the scanning components of the machine are clean. 11-31 Troubleshooting