Canon MF7280 imageCLASS MF7280 Facsimile Guide - Page 216

Q Is the telephone line type set correctly? A Check the type of telephone line that has been set. (See "Selecting the Type of Telephone Line," on p. 1-10.) Memory is full. Q Are unnecessary documents stored in memory? A Check the TX Document and RX Document stored in memory, and erase any unnecessary documents or documents with errors from memory. (See "Erasing Received Documents," on p. 3-11.) The document does not print clearly on the recipient's machine. Q Is the platen glass clean? A Use your machine to make a copy of the document, and check it for streaks. If streaks appear, clean the platen glass. (See Chapter 6, "Routine Maintenance," in the Reference Guide.) Troubleshooting The density of the documents sent to a recipient's machine is too light. Q Is the density setting set towards 'Light' and the Original Type setting set to 'Photo'? A Change the density setting to 'Dark', and the Original Type setting to 'Text'. Try 8 sending the document again. (See "Scan Density and Original Type Settings," on p. 2-10.) The remote machine is slow to switch over to the receiving mode, and errors always occur. Q Is a pause inserted in the fax number? A If you are sending to a machine that is slow in switching over to fax receiving, insert a pause after the destination's fax number. When Problems Occur 8-3