Canon imagePROGRAF iPF840 MFP M40 User Guide - Page 646

Paper position not suitable for borderless printing. iPF840 Paper position not suitable for borderless printing. Cause Because paper expands or contracts depending on the environment of use, it may become narrower or wider than the supported width for borderless printing. The paper is loaded askew. Corrective Action Press ▲ or ▼ to select Stop Printing, and then press the OK button. Use each type of paper only where the recommended environmental conditions are met. For details on environmental conditions for various paper, see the Paper Reference Guide. (See "Displaying the Paper Reference Guide.") ➔P.335 Press ▲ or ▼ to select Change Paper and straighten the paper so that the edges are between the ink grooves for borderless printing. Insert the roll firmly until it touches the flange of the Roll Holder. (See "Attaching the Roll Holder to Rolls.") ➔P.342 Press ▲ or ▼ to select Print With Border, and then press the OK button to continue printing. The document will be printed with a border. Press ▲ or ▼ to select Stop Printing, and then press the OK button. Roll feed unit error. Cause There is a problem with the Roll Unit. Corrective Action Turn off the printer and wait at least three seconds before restoring the power. If the message is displayed again, contact your Canon dealer for assistance. The roll feed unit is loose. Cause Corrective Action The Roll Unit is detached from the printer. Push the Roll Unit firmly all the way in. Error Message Messages regarding paper 646 User's Guide