71TroubleshootingENGLISH Fax Images Print Blotched or Uneven Cannot Receive Using Error Correction Mode (ECM) Errors Occur Frequently While ReceivingCopying Problems The Fax Does Not Make a Copy MEMORY FULL Appears on the LCD When Making Multiple CopiesCause ActionThe telephone lines may be in poorcondition, or you may have a badconnection.z Error Correction Mode (ECM) sending/receiving should eliminate suchproblems. However, if the telephone lines are in poor condition, you mayhave to try again.z Lower the reception speed (see RX START SPEED on page 52).The sending fax machine may not befunctioning properly.The sending fax machine usually determines the quality of the document. Callthe sender and have them make sure their fax machine is functioning properly.Cause ActionThe sending fax machine may notsupport ECM.If the sending fax machine does not support ECM, then the document isreceived in normal mode without error checking.ECM may be disabled. Make sure ECM is on (see ECM RX on page 51).Cause ActionThe telephone lines may be in poorcondition, or you may have a badconnection.Lower the reception speed (see RX START SPEED on page 52).The sending fax machine may not befunctioning properly.Call the sender and have them check that their fax machine is functioningproperly.Cause ActionThe FINE Cartridge may need to bereplaced.Determine if the problem is with the FINE Cartridge and replace if necessary(see page 56).The document may not have beenloaded correctly into the DocumentTray.z Remove the document, stack it if necessary, and load it face up into theDocument Tray correctly (see page 16).z Make sure the Printer Cover is closed.The FINE Cartridge may not beinstalled properly.Make sure the FINE Cartridge is installed properly (see the Easy SetupInstructions).Print head nozzles are clogged. Print the nozzle check pattern (see page 59).Cause ActionThe fax’s memory is full. z Print or delete any documents stored in memory (see page 36) to free upspace in the fax’s memory, then start again.z Change the scanning resolution and try copying again.The document you are copying mayhave too many graphics.If multiple pages are being copied, separate the pages into smaller stacks. Ifnot, make the desired number of copies one at a time as needed.NoteFor additional troubleshooting, see “Print Quality Problems” on page 72.