List of LCD Display Messages (Alphabetical List)13-8Troubleshooting13List of LCD Display Messages (Alphabetical List)Below is a list of messages that are displayed on the screen when a problemoccurs in the machine.# ALREADY IN USECause The box number you entered is already in use. For example, you cannot use thesame box number for a confidential mailbox and a polling box.Remedy Select another box number.AUTO REDIALCause The other party’s line was busy on the previous dialing attempt and yourmachine is dialing the number again.Remedy To cancel redialing, press [Stop] if you are using Direct Sending. If you are usingMemory Sending, press [Delete File] ➞ select the transaction number ➞ press[Set].CHECK DOCUMENTCause A document page may be jammed or may not have been fed correctly by theADF (Automatic Document Feeder).Remedy 1 Clear the paper jam, and try placing the document again. (See Chapter 7,“Troubleshooting,” in the Reference Guide.)Remedy 2 If the document does not feed correctly, clean the rollers. (See Chapter 7,“Troubleshooting,” in the Reference Guide.)CHECK PRINTERCause Printer malfunction.Remedy Press [Stop]. Disconnect the machine from its power source, wait a few minutes,then connect the power cord to the power outlet. If the machine is connected toa UPS (Uninterruptable Power Source), disconnect the power cord, and plug itinto an AC outlet. If the message remains on the LCD display and the machinedoes not return to the Standby mode, call your local authorized Canon dealer.