How to clean the print heads on a Canon MX 340 MFP This is from the on-screen manual that came with your printer. Always a good place to start!
The print head cleaning function allows you to unclog clogged nozzles in the print head. 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 heads is as follows:
Cleaning
1.Select Cleaning from the pop-up menu on the Canon IJ Printer Utility, which will have been installed when you set up the printer. On my Mac, it is found by selecting System Preferences> Print & Fax> Options & Supplies>
2.Click the Cleaning icon
The Cleaning dialog opens. Follow the instruction shown in the dialog.
Click Initial Check Items to display the items you need to check before performing Cleaning.
3.Execute cleaning
Make sure that the machine is on and then click OK.
Print head cleaning starts.
Next, the message for nozzle check pattern printing is displayed.
4.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.
It is one of the very sensitive part in printers so don't touch the printer head nozzels if you want to clean printer head go to tools or settings and go to clean printer head option it is the only way for clening ph safelly option.
Using the Head Cleaning utility
Using the control panel buttons
If you find that the printout is unexpectedly faint or some dots are missing, you may be able to solve these problems by cleaning the print head, which ensures that the nozzles are delivering ink properly.
You can clean the print head from your computer using the Head Cleaning utility in the printer software or from this product itself by using the control panel buttons.
Note:
Using the Head Cleaning utility
Refer to the appropriate section below to use the Head Cleaning utility.
Follow the steps below to clean the print head using the Head Cleaning utility.
Make sure that A4 or Letter size paper is loaded in the sheet feeder.
Make sure that this product is on and the ! Error light is off.
Access the printer software.Accessing the Printer Software for Windows
Click the Maintenance tab, then click the Head Cleaning button.
Follow the on-screen instructions.
Head cleaning... appears on the LCD panel while this product performs the cleaning cycle.
Caution:Never turn off this product while Head cleaning... appears on the LCD panel. Doing so may damage this product.
When Head cleaning... disappears from the LCD panel, click Print Nozzle Check Pattern in the Head Cleaning dialog box to confirm that the print head is clean.
Good: print head does not need to be cleaned yet.
Not Good: print head needs to be cleaned.
If the nozzle check page does not print satisfactorily, you may need to repeat the head cleaning and print the nozzle check pattern again. See Cleaning the Print Head.
Note:
Use the printer's utility program to self-clean the printer.
This process may need to be repeated as many as 5 to 10 times. Often this will
resolve the problem.
Turn the printer off, preferably overnight, if the self-cleaning
utility has not worked. The ink may need to soften before the self-cleaning
utility will be successful. Turn the printer on and try the self-cleaning
utility again several times.
Determine
from the owner's manual where the print head is located. Epson printers, for
example, are usually in the printer. Many other brands place the print head in
the cartridge.
Remove
the cartridge. For models where the print head is in the printer, drop seven to
10 drops of isopropyl alcohol (rubbing alcohol) down the ink receptacle area.
This is the hole where the ink flows into the head from the cartridge. Run a
few self-cleaning utilities. If necessary, allow to sit a few hours or
overnight and repeat the self-cleaning utility.
Soak the
cartridge print head in hot water if the print head is in the cartridge. Allow
to soak overnight. Dry the print head area with a paper towel. Repeat the
self-cleaning utility.
Place the
cartridge print head in isopropyl alcohol if the hot water soak did not unclog
the print head. Leave the print head covered in alcohol overnight. Use a damp
paper towel to wipe off the print head area. Dry carefully. Try the
self-cleaning utility again.
Purchase
a new cartridge if the alcohol soak did not unclog the print head in the
cartridge. This will provide new print heads that won't be clogged. Contact a
service technician for repair of print heads in the printer if the alcohol did
not unclog the print head.
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