Canon printer PIXMA MG6620 User Manual
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Aligning the Print HeadWhen you perform head position adjustment, errors in the print head adjustment position are corrected and conditions such as color and line streaking are improved. If the print results appear uneven because of line shifts or other conditions, adjust the position of the print head. On this printer, you can adjust the print head either automatically or manually. 211
Aligning the Print Head Position from Your ComputerPrint head alignment corrects the installation positions of the print head and improves deviated colors and lines. This printer supports two head alignment methods: automatic head alignment and manual head alignment. The procedure for performing manual print head alignment is as follows: Print Head Alignment 1. Open the printer driver setup window 2. Click Custom Settings on the Maintenance tab The Custom Settings dialog box opens. 3. Switch head alignment to manual Check the Align heads manually check box. 4. Apply the settings Click OK and when the confirmation message appears, click OK. 5. Click Print Head Alignment on the Maintenance tab The Start Print Head Alignment dialog box opens. 6. Load paper in the printer Load two sheets of A4 size or Letter size plain paper into the cassette. 7. Execute head alignment Make sure that the printer is on and click Align Print Head. Follow the instruction in the message. Important • Do not open the operation panel while printing is in progress. 8. Check the printed pattern Enter the numbers of the patterns with the least noticeable streaks in the associated boxes. Even if the patterns with the least noticeable streaks are clicked in the preview window, their numbers are automatically entered in the associated boxes. 212
When you have entered all the necessary values, click OK. Note • If it is difficult to pick the best pattern, pick the setting that produces the least noticeable vertical streaks. (A) Least noticeable vertical streaks (B) Most noticeable vertical streaks 9. Confirm the displayed message and click OK The second pattern is printed. Important • Do not open the operation panel while printing is in progress. 10. Check the printed pattern Enter the numbers of the patterns with the least noticeable stripes or streaks in the associated boxes. Even if the patterns with the least noticeable stripes or streaks are clicked in the preview window, their numbers are automatically entered in the associated boxes. 213
When you have entered all the necessary values, click OK. Note • If it is difficult to pick the best pattern, pick the setting that produces the least noticeable horizontal stripes. (A) Least noticeable horizontal stripes (B) Most noticeable horizontal stripes • If it is difficult to pick the best pattern, pick the setting that produces the least noticeable horizontal streaks. (A) Least noticeable horizontal streaks (B) Most noticeable horizontal streaks Note • To print and check the current setting, open the Start Print Head Alignment dialog box, and click Print Alignment Value . 214
Use Your Computer to Print a Nozzle Check PatternThe nozzle check function allows you to check whether the print head is working properly by printing a nozzle check pattern. Print the pattern if printing becomes faint, or if a specific color fails to print. The procedure for printing a nozzle check pattern is as follows: Nozzle Check 1. Open the printer driver setup window 2. Click Nozzle Check on the Maintenance tab The Nozzle Check dialog box opens. Click Initial Check Items to display the items that you need to check before printing the nozzle check pattern. 3. Load paper in the printer Load one sheet of A4 size or Letter size plain paper into the cassette. 4. Print a nozzle check pattern Make sure that the printer is on and click Print Check Pattern. Printing of the nozzle check pattern begins. Click OK when the confirmation message appears. The Pattern Check dialog box opens. 5. Check the print result Check the print result. When the print result is normal, click Exit. If the print result is smudged or if there are any unprinted sections, click Cleaning to clean the print head. Related Topic Cleaning the Print Heads from Your Computer 215
Cleaning the Machine Cleaning the Exterior of the Machine Cleaning the Platen Glass and Document Cover Cleaning the Paper Feed Roller Cleaning the Inside of the Machine (Bottom Plate Cleaning) 216
Cleaning the Exterior of the MachineBe sure to use a soft and dry cloth such as eyeglasses cleaning cloth and wipe off dirt on the surface gently.Smooth out wrinkles on the cloth if necessary before cleaning. Important • Be sure to turn off the power and unplug the power cord before cleaning the machine. • Do not use tissue paper, paper towels, rough-textured cloth, or similar materials for cleaning so as notto scratch the surface. Paper tissue powder or fine threads may remain inside the machine and cause problems such as print head blockage and poor printing results. • Never use volatile liquids such as thinners, benzene, acetone, or any other chemical cleaner to cleanthe machine, as this may cause a malfunction or damage the surface of the machine. • When cleaning the touch screen, be sure to use a soft cloth, such as eyeglasses cleaning cloth, to wipe off dirt on the surface. Do not apply excessive pressure. Never use cleaners containing organic solvents to wipe the touch screen. 217
Cleaning the Platen Glass and Document Cover Important • Be sure to turn off the power and unplug the power cord before cleaning the machine. • Do not use tissue paper, paper towels, rough-textured cloth, or similar materials for cleaning so as notto scratch the surface. Paper tissue powder or fine threads may remain inside the machine and cause problems such as print head blockage and poor printing results. • Never use volatile liquids such as thinners, benzene, acetone, or any other chemical cleaner to cleanthe machine, as this may cause a malfunction or damage the surface of the machine. With a soft, clean, lint-free and dry cloth, wipe the platen glass (A) and the inner side of the document cover (white sheet) (B) gently. Make sure not to leave any residue, especially on the glass surface. Important • The inner side of the document cover (white sheet) (B) is easily damaged, so wipe it gently. 218
Cleaning the Paper Feed RollerIf the paper feed roller is dirty or paper powder is attached to it, paper may not be fed properly. In this case, clean the paper feed roller. Cleaning will wear out the paper feed roller, so perform this only when necessary. You need to prepare: three sheets of A4 or Letter-sized plain paper1. Make sure that the power is turned on. 2. Select Roller cleaning . 1. Flick the HOME screen, then tap Setup . Using the Operation Panel The setup menu screen will appear. 2. Tap Maintenance . The Maintenance screen will appear. 3. Tap Roller cleaning . The confirmation screen will appear. 4. Tap Yes. 3. Clean the paper feed roller without paper. 1. Follow the message to remove any paper from the cassette. 2. Tap OK. The paper feed roller will rotate as it is cleaned. 4. Clean the paper feed roller with paper. 1. Make sure that the paper feed roller has stopped rotating, then follow the message to load three or more sheets of A4 or Letter-sized plain paper in the cassette. 219
2.Open the paper output tray gently.3. Tap OK. The machine starts cleaning. The cleaning will be complete when the paper is ejected. 4. When the completion message appears, tap OK. If the problem is not resolved after cleaning the paper feed roller, contact the service center. 220