Canon imagePROGRAF iPF760 User Guide - Page 646
Messages regarding printheads, Cannot adjust printhead., Wrong printhead., Printhead error
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Cannot adjust printhead. iPF760 Messages regarding printheads Cannot adjust printhead...646 Wrong printhead...646 Printhead error ...646 No printhead ...646 Execute printhead cleaning...646 Cannot adjust printhead. Cause The Printhead nozzles are clogged. The Printhead cannot be aligned; highly transparent film is loaded. The Printhead is installed crooked. Corrective Action Execute Head Posi. Adj. again, as follows. 1. Press the OK button to clear the error. 2. Print a test pattern to check the nozzles. (See "Checking for Nozzle Clogging.") →P.575 3. Clean the Printhead if the nozzles are clogged. (See "Cleaning the Printhead.") →P.576 4. Execute Head Posi. Adj. again. (See "Automatic Adjustment to Straighten Lines and Colors (Head Posi. Adj.).") →P.552 Press the OK button to clear the error. We recommend using a type of paper that you often use, other than film, for Printhead adjustment. (See "Automatic Adjustment to Straighten Lines and Colors (Head Posi. Adj.).") →P.552 Straighten the Printhead as follows, and then execute Head Posi. Adj. again. 1. Press the OK button to clear the error. 2. Use Head Inc. Adj. to adjust the angle of inclination of the Printhead. (See "Adjusting Line Misalignment (Head Inc. Adj.).") →P.555 3. Execute Head Posi. Adj. again. (See "Automatic Adjustment to Straighten Lines and Colors (Head Posi. Adj.).") →P.552 Error Message Messages regarding printheads Wrong printhead. Cause Corrective Action An incompatible Printhead has been installed. Open the Top Cover and replace the Printhead with a new one. (See "Replacing the Printhead.") →P.577 Printhead error Cause Corrective Action There is a problem with the Printhead. Open the Top Cover and replace the Printhead with a new one. (See "Replacing the Printhead.") →P.577 No printhead Cause No Printhead is installed. Corrective Action Install the Printhead. (See "Replacing the Printhead.") →P.577 646 Execute printhead cleaning. Cause The Printhead nozzles are clogged. Follow these steps to clean the Printhead. Corrective Action User's Guide