Canon printer PIXMA MG7520 User Manual
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Important• Do not open the operation panel while printing is in progress. 6. Look at the second pattern and adjust the print head position. 1. Tap I to check the printed patterns, and tap the number of the pattern in column I that has theleast noticeable vertical streaks. Note • If it is difficult to pick the best pattern, pick the setting that produces the least noticeable vertical streaks. (E) Unnoticeable vertical streaks (F) Noticeable vertical streaks 2. Repeat the same procedure until you finish inputting the pattern number for columns J to P, then tap OK. 3. Confirm the message, then tap OK. The third pattern is printed. Important • Do not open the operation panel while printing is in progress. 7. Look at the third pattern and adjust the print head position. 231
1.Tap a to check the printed patterns, and tap the number of the pattern in column a that hasthe least noticeable horizontal stripes. Note • If it is difficult to pick the best pattern, pick the setting that produces the least noticeable horizontal stripes. (G) Unnoticeable horizontal stripes (H) Noticeable horizontal stripes 2. Repeat the same procedure until you finish inputting the pattern number for columns b to h, then tap OK. The manual adjustment of the print head position is complete. 3. When the completion message appears, tap OK. 232
Performing Maintenance from a Computer Cleaning the Print Heads from Your Computer Aligning the Print Head Position from Your Computer Use Your Computer to Print a Nozzle Check Pattern 233
Cleaning the Print Heads from Your ComputerThe print head cleaning function allows you to clear up clogged print head nozzle. Perform print head cleaning if printing is faint or a specific color fails to print, even though there is enough ink. The procedure for cleaning the print head is as follows: Cleaning 1. Open the printer driver setup window 2. Click Cleaning on the Maintenance tab When the Print Head Cleaning dialog box opens, select the ink group for which cleaning is to be performed. Click Initial Check Items to display the items you need to check before performing cleaning. 3. Execute cleaning Make sure that the printer is on and then click Execute. Print head cleaning starts. Important • Do not close the paper output tray until the cleaning is complete. 4. Complete cleaning The Nozzle Check dialog box opens after the confirmation message. 5. Check the results To check whether the print quality has improved, click Print Check Pattern. To cancel the check process, click Cancel. If cleaning the head once does not resolve the print head problem, clean it once more. Important • Cleaning consumes a small amount of ink. Cleaning the print head frequently will rapidly deplete your printer's ink supply. Consequently, perform cleaning only when necessary. Deep Cleaning Deep Cleaning is more thorough than cleaning. Perform deep cleaning when two Cleaning attempts do not resolve the print head problem. 1. Open the printer driver setup window 234
2.Click Deep Cleaning on the Maintenance tab When the Deep Cleaning dialog box opens, select the ink group for which deep cleaning is to be performed. Click Initial Check Items to display the items you need to check before performing deep cleaning.3. Execute deep cleaning Make sure that the printer is on and then click Execute. Click OK when the confirmation message appears. Print head deep cleaning starts. Important • Do not close the paper output tray until the deep cleaning is complete. 4. Complete deep cleaning The Nozzle Check dialog box opens after the confirmation message. 5. Check the results To check whether the print quality has improved, click Print Check Pattern. To cancel the check process, click Cancel. Important • Deep Cleaning consumes a larger amount of ink than Cleaning. Cleaning the print head frequently will rapidly deplete your printer's ink supply. Consequently, perform cleaning only when necessary. Note • If there is no sign of improvement after Deep Cleaning, turn off the printer, wait 24 hours, and then perform Deep Cleaning again. If there is still no sign of improvement, the ink may have run out or the print head may be worn. For details on the remedial action to be taken, see " Ink Is Not Ejected ." Related Topic Use Your Computer to Print a Nozzle Check Pattern 235
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. Normally, the printer is set for automatic head alignment. If the printing results of automatic print head alignment are not satisfactory, perform manual head alignment . The procedure for performing automatic print head alignment is as follows: Note • If the disc tray guide is open, close it. • The pattern is printed only in black and blue. Print Head Alignment 1. Open the printer driver setup window 2. Click Print Head Alignment on the Maintenance tab The Start Print Head Alignment dialog box opens. 3. Load paper in the printer Load one sheet of A4 size or Letter size plain paper into the cassette 2. Note • The number of sheets to be used differs when you select the manual head alignment. 4. 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. Note • Wait until printing ends before performing other operations. Printing takes about 3 to 4 minutes to complete. Note • To print and check the current setting, open the Start Print Head Alignment dialog box, and click Print Alignment Value . 236
Aligning the Print Head Position Manually 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. Normally, the printer is set for automatic head alignment. If the printing results of automatic print head alignment are not satisfactory, perform manual head alignment. The procedure for performing manual print head alignment is as follows: Note • If the disc tray guide is open, close it. • The pattern is printed only in black and blue. Print Head Alignment 1. Open the printer driver setup window 2. Click Custom Settings on the Maintenance tab The Custom Settings dialog box opens. Note • If the printer is off or if communication between the printer and the computer is disabled, an error message may appear because the computer cannot collect the printer status. If this happens, click OK to display the most recent settings specified on your computer. 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 three sheets of A4 size or Letter size plain paper into the cassette 2. 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. 237
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. 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 • 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 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 238
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. 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 11. Confirm the displayed message and click OK The third pattern is printed. Important • Do not open the operation panel while printing is in progress. 12. Check the printed pattern Enter the numbers of the patterns with the least noticeable stripes in the associated boxes. Even if the patterns with the least noticeable stripes are clicked in the preview window, their numbers are automatically entered in the associated boxes. 239
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 Note • To print and check the current setting, open the Start Print Head Alignment dialog box, and click Print Alignment Value . 240