Canon MF6590 imageCLASS MF6500 Series Basic Operation Guide - Page 211

Message CLOSE COVER DATA ERROR DOCUMENT TOO LONG FEEDER PAPER JAM CHECK THE FEEDER LOAD PAPER MEM IN USE nn% Description Action A cover is open. Close the cover shown on the lower line of the LCD display. The machine may have trouble. Contact Canon Customer Care Center. The document is longer than 24 7/8" (630 mm), or is not feeding correctly. - Scan the document on the platen glass. - Reduce the length of the document to within 24 7/8" (630 mm), then try again. A document jam may have occurred in the ADF. Remove the jammed document. No paper is loaded in the paper Insert the paper cassette as far cassette or multipurpose tray, as it will go or load paper. or not inserted correctly. This message shows the percentage of the memory currently in use. This message is displayed when you set the document in the ADF to send a fax. If you need more space, wait for the machine to send any faxes in memory. Also print, send, or delete any documents stored in memory. Troubleshooting 11-8