Canon printer PIXMA MG7720 User Manual
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To remove the jammed paper, see List of Support Code for Error (Paper Jams). Note
Print Results Are Unsatisfactory If the print results are unsatisfactory due to white streaks, misaligned lines, or uneven colors, check thepaper and print quality settings first. Check1 Do page size and media type settings match size and type of loaded paper? If these settings do not match, it is not possible to obtain the proper result. If you are printing a photograph or an illustration, an incorrect paper type setting may reduce the quality of the printout color. Also, if you print with an incorrect paper type setting, the printed surface may be scratched. In borderless printing, uneven coloring may occur depending on the combination of the paper type setting and the loaded paper. The method for checking the paper and print quality settings differs depending on what you are using your machine for. CopyingCheck the settings using the operation panel. Setting Items for Copying Copying a photoCheck the settings using the operation panel. Copying Photos Printing from memory cardCheck the settings using the operation panel. Setting Items for Photo Printing Using Operation Panel Printing from a PictBridge (Wireless LAN)compliant deviceCheck the settings on your PictBridge (Wireless LAN) compliant device. PictBridge (Wireless LAN) Print Settings Check the settings using the operation panel. PictBridge print settings Printing from your computerCheck the settings using the printer driver. Printing with Easy Setup Check2 Make sure appropriate print quality is selected (see table above). Select a print quality suited to the paper and to what you are printing. If you notice blurs or uneven colors, increase the print quality setting and retry the printing. Note
See also the sections below: Cannot Complete Printing Part of Page Is Not Printed (Windows) Paper Is Blank/Printing Is Blurry/Colors Are Wrong/White Streaks Appear Lines Are Misaligned Lines Incomplete or Missing (Windows) Images Incomplete or Missing (Windows) Ink Blots / Paper Curl Paper Is Smudged / Printed Surface Is Scratched Back of Paper Is Smudged Vertical Line Next to Image Uneven or Streaked Colors 943
Cannot Complete Printing Check1 Select setting not to compress printing data. (Windows) If you select the setting not to compress the printing data with an application software you are using, the printing result may be improved. Click Print Options on Page Setup sheet of the printer driver. Select the Do not allow application software to compress print data check box and click OK. * Clear the check box once printing is complete. Check2 Is print data extremely large? (Windows) Click Print Options on Page Setup sheet of the printer driver. Then set Prevention of Print Data Loss to On in the dialog that appears. * This may reduce print quality. Check3 Your hard disk may not have sufficient free space to store job. Delete unnecessary files to free up disk space. 944
Part of Page Is Not Printed (Windows) Check Are you using automatic duplex printing? If you are using automatic duplex printing, the printable area at the top of the page will be 0.08 inches / 2 mm shorter than usual. Therefore, the bottom of the page may not be printed. To prevent this, set reduced printing on the printer driver. Important
Paper Is Blank/Printing Is Blurry/Colors Are Wrong/White Streaks Appear Paper Is Blank Printing Is Blurry Colors Are Wrong 946
White Streaks Appear Check1 Check paper and print quality settings. Print Results Are Unsatisfactory Check2 Check status of ink tanks. Replace ink tank if ink has run out. Replacing Ink Check3 Is orange tape or protective film still on ink tank? Make sure all the protective film is peeled off to expose the Y-shaped air hole, as shown below (A). If the orange tape remains on the ink tank (B), peel it off. Check4 Print nozzle check pattern and perform any necessary maintenance operations such as print head cleaning. Print the nozzle check pattern to determine whether the ink ejects properly from the print head nozzles. For details on printing the nozzle check pattern, print head cleaning, and print head deep cleaning, see If Printing Is Faint or Uneven .
If the problem is not resolved after performing print head deep cleaning, turn off the machine and performprint head deep cleaning again 24 hours later.
Lines Are Misaligned Check1 Check paper and print quality settings. Print Results Are Unsatisfactory Check2 Perform print head alignment. If printed lines are misaligned or print results are otherwise unsatisfactory, adjust the print head position. Aligning the Print Head Note
Lines Incomplete or Missing (Windows) Check1 Are you using Page Layout Printing or Binding Margin function? When the Page Layout Printing or Binding margin function is in use, thin lines may not be printed. Try thickening the lines in the document. Check2 Is print data extremely large? Click Print Options on Page Setup sheet of the printer driver. Then set Prevention of Print Data Loss to On in the dialog that appears. * This may reduce print quality. 950