Canon imagePROGRAF iPF830 MFP M40 User Guide - Page 619
Problems with the printing quality, Printing is faint
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iPF830 Problems with the printing quality Printing is faint Printing is faint ...619 Paper rubs against the Printhead ...620 The edges of the paper are dirty ...620 The surface of the paper is dirty ...621 The back side of the paper is dirty ...621 Printed colors are inaccurate ...621 Banding in different colors occurs ...622 Colors in printed images are uneven ...622 Image edges are blurred or white banding occurs 623 Setting the Blue Switch on the Platen ...623 The contrast becomes uneven during printing 626 The length of printed images is inaccurate in the feeding direction 626 Images are printed crooked ...626 Documents are printed in monochrome ...626 Line thickness is not uniform ...627 Lines are misaligned ...627 Printing is faint Cause You may be printing on the wrong side of the paper. Print on the printing surface. Corrective Action Troubleshooting The Printhead nozzles are clog- Print a test pattern to check the nozzles and see if they are clogged. ged. (See "Checking for Nozzle Clogging.") ➔P.577 Problems with the printing quality To check for nozzles after printing, set Frequency in Nozzle Check in the Control Panel menu to a setting other than Off. Furthermore, to have a warning displayed depending on the result of the nozzle check, set Warning in Nozzle Check in the Control Panel menu to On. Note that when Warning is set to On, printing may stop depending on the content of the warning. (See "Menu Settings.") ➔P.442 Because the printer was left without ink tanks installed for some time, ink has become clogged in the ink supply system. After the ink tanks have been installed for 24 hours, run Head Cleaning B from the Control Panel. (See "Cleaning the Printhead.") ➔P.578 Paper is jammed inside the Top Cover. Follow the steps below to remove the jammed piece of paper inside the Top Cover. 1. Open the Top Cover and make sure the Carriage is not over the Platen. 2. Remove any scraps of paper inside the Top Cover. (See "Clearing Jammed Roll Paper.") ➔P.607 (See "Clearing a Jammed Sheet.") ➔P.610 3. Close the Top Cover. The ink was not dry when paper Specify a longer drying period in the Control Panel menu, in Paper Details > Roll DryingTime. was cut. (See "Menu Settings.") ➔P.442 Printing may be faint if Print In Advanced Settings of the printer driver, choose Highest or High in Print Quality. 619 Quality in Advanced Settings Printing in Fast or Standard mode is faster and consumes less ink than in Highest or High in the printer driver is set to Standard or Fast. modes, but the printing quality is lower. (See "Giving Priority to Particular Graphic Elements and Colors for Printing.") ➔P.54 You are printing on paper that In the Control Panel menu, set CutDustReduct. in Paper Details to On. tends to generate dust when cut. (See "Reducing Dust from Cutting Rolls.") ➔P.351 User's Guide