Canon imagePROGRAF iPF820 iPF820 User Manual - Page 682
Messages regarding printheads, Cannot adjust printhead.
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Messages regarding printheads Messages regarding printheads Cannot adjust printhead. Cause The Printhead nozzles are clogged. Corrective Action Execute Auto Head Adj. again, as follows. 1.Press the Online button to clear the error. 2.Print a test pattern to check the nozzles. (→P.577) 3.Clean the Printhead if the nozzles are clogged. (→P.578) 4.Execute Auto Head Adj. again. (→P.544) The Printhead cannot be aligned; highly transparent lm is loaded. Press the Online button to clear the error. We recommend using a type of paper that you often use, other than lm, for Printhead adjustment. (→P.544) The Printhead is installed crooked. Straighten the Printhead as follows, and then execute Auto Head Adj. again. 1.Press the Online button to clear the error. 2.Use Head Inc. Adj. to adjust the angle of inclination of the Printhead. (→P.548) 3.Execute Auto Head Adj. again. (→P.544) Cannot adjust band. Cause The Printhead nozzles are clogged. Corrective Action Execute Auto Band Adj. again, as follows. 1.Press the Online button to clear the error. 2.Print a test pattern to check the nozzles. (→P.577) 3.Clean the Printhead if the nozzles are clogged. (→P.578) 4.Execute Auto Band Adj. again. (→P.554) Highly transparent lm is loaded that cannot be used Press the Online button to clear the error, and then for automatic feed amount adjustment. adjust the feed amount manually. (→P.556) 668 Error Message
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