Canon MF7280 imageCLASS MF7280 Facsimile Guide - Page 217

Receiving Documents The machine does not receive documents. Q Does the machine have sufficient memory? A Erase unnecessary documents and documents with errors from memory to increase the amount of available memory. (See "Erasing Received Documents," on p. 3-11.) Documents cannot be received in memory. Q Is there sufficient available memory? A Erase unnecessary documents and documents with errors from memory to increase the amount of available memory. (See "Erasing Received Documents," on p. 3-11.) Troubleshooting The quality of printed originals is uneven. Q Is the platen glass of the sender's machine clean? A Make a few copies using your machine. If the copies are not streaked, the problem is in the sender's machine. Contact the sender and ask them to send 8 the document again. Other Situations Fax transmissions are slow. Q Are documents being sent at a high resolution? A It is recommended that you send documents containing text only with a lower resolution. (See "Selecting a Scan Mode," on p. 2-2.) Q Is ECM TX or ECM RX set to 'On'? A Set ECM TX and ECM RX to 'Off'. (See "ECM Transmission," on p. 4-6, and "ECM Reception," on p. 4-20.) 8-4 When Problems Occur