Canon MP190 Quick Start Guide - Page 56

Cause Action Printing beyond the recommended printing area. Paper Feed Roller is dirty. Inside of the machine is dirty. If you are printing beyond the recommended printing area of your printing paper, the lower edge of the paper may become stained with ink. Resize your original document in your application software. For details on recommended printing area, refer to "Printing Area" in the User's Guide on-screen manual. Clean the Paper Feed Roller. Cleaning the Paper Feed Roller will wear the roller, so perform this procedure only when necessary. For details on cleaning, see "Cleaning the Paper Feed Roller (Roller Cleaning)" on page 41. When performing duplex printing, if the specified page size does not match the actual size of paper loaded in the Rear Tray, the inside will become stained with ink, causing printed paper to become smudged. Perform the Bottom Plate Cleaning to clean the inside of the machine. For details on cleaning, see "Cleaning the Inside of the Machine (Bottom Plate Cleaning)" on page 41. Printing graphics with the intensity setting set too high. Note To prevent the inside of the machine from getting stained, set the page size correctly. Especially if you are using plain paper to print images with high intensity, the paper may absorb too much ink and become wavy, causing paper abrasion. When printing from your computer, refer to "Print Results Not Satisfactory" in the User's Guide on-screen manual. „ Colors Are Uneven or Streaked Cause Print Head nozzles are clogged. Print Head is misaligned. Action See "When Printing Becomes Faint or Colors Are Incorrect" on page 26 and perform any necessary maintenance operations. See "Aligning the Print Head" on page 31 to perform Print Head Alignment using the Operation Panel. Print Results Not Satisfactory When Copying Cause Action The original document is not loaded correctly. Check that the original is loaded correctly on the Platen Glass. See "Loading Original Documents" on page 11. The original document is not loaded When loading the original on the Platen Glass, the side to be copied should be with the side to be copied faced down. faced down. The original document is a printout from this machine. Print quality may be reduced if you copy a printout. Instead of copying a printout, print the original directly from your computer. The Platen Glass or the inner side of the Document Cover is dirty. Clean the Platen Glass and the inner side of the Document Cover. See "Cleaning the Platen Glass and Document Cover" on page 40. If these do not resolve the problem, also see "Print Results Not Satisfactory" on page 49. 52 Troubleshooting