Canon imagePROGRAF iPF6450 Basic Guide - Page 113

iPF6450 Printing is faint Troubleshooting Problems with the printing quality Printing is faint ...113 Paper rubs against the printhead ...113 The edges of the paper are dirty ...114 The surface of the paper is dirty ...115 The back side of the paper is dirty ...115 Roller marks are left across the trailing edge of paper 115 Immediately after borderless printing, the trailing edge margin is soiled during regular printing 115 Printed colors are inaccurate ...116 Banding in different colors occurs ...116 Colors in printed images are uneven ...117 Image edges are blurred or white banding occurs 118 Setting the Blue Switch on the Platen ...118 The contrast becomes uneven during printing 121 The length of printed images is inaccurate in the feeding direction 121 Images are printed crooked ...121 Documents are printed in monochrome ...122 Line thickness is not uniform ...122 Lines or colors are misaligned ...122 Borders appear during borderless printing ...123 Printing is faint Cause You may be printing on the wrong side of the paper. Print on the printing surface. Corrective Action The Printhead nozzles are clogged. Print a test pattern to check the nozzles and see if they are clogged. (See "Checking for Nozzle Clogging.") →User's Guide 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.53 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.103 (See "Clearing a Jammed Sheet, Fed Manually.") →P.106 3. Close the Top Cover. The ink was not dry when paper was cut. Printing may be faint if Print Quality in Advanced Settings in the printer driver is set to Standard or Draft. You are printing on paper that tends to generate dust when cut. Specify a longer drying period in the Control Panel menu, in Paper Details > Roll DryingTime. (See "Menu Settings.") →User's Guide In Advanced Settings of the printer driver, choose Highest or High in Print Quality. Printing in Draft or Standard mode is faster and consumes less ink than in Highest or High modes, but the printing quality is lower. (See "Giving Priority to Particular Graphic Elements and Colors for Printing.") →User's Guide In the Control Panel menu, set CutDustReduct. in Paper Details to On. (See "Reducing Dust from Cutting Rolls.") →User's Guide Problems with the printing quality Paper rubs against the printhead Cause Corrective Action The type of paper specified in the printer Load paper of the same type as you have specified in the printer driver. driver does not match the type loaded in (See "Loading Rolls in the Printer.") →P.11 the printer. (See "Loading Sheets in the Feed Slot.") →P.18 113 Basic Guide