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Posted on Oct 11, 2009
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How do i replace the printhead - Canon MultiPASS MP730 All-In-One InkJet Printer

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  • Posted on Oct 11, 2009
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The Print head is sitting in a cradle. So do not confuse the cradle with actual print head. The cradle is the one that slides left and right on the metallic rod. Do NOT try to remove the cradle.

Make sure to use genuine Canon ink cartidges.

1) Unplug the power to the printer. Remove the USB printer cable.
2) Lift open the top cover by depressing the round button on the right side of the printer; exposing the printer ink cartridges.
3)Lift the grey lever on top of the cartridges. This dis-engages the printhead electrical connections. Remove all the 4 ink cartridges from the printhead. From the cradle hold the printhead from the top and lift the printhead by tilting it toward you. Make sure not to touch the electrical contacts in the back printhead.
4) Take a small plastic bowl and fill it with 1/4 inch or less with Rubbing Alcohol(70% Isopropyl Alcohol). Dip the bottom of the printhead in the alcohol. Soak printhead in the alcohol and shake it lightly so the dried ink clogging the printhead can come loose. Us paper towels to soak excess alcohol from the bottom of the printhead. Make sure not to damage the printheads.
5) Pour some alcohol from the top of the each inlet of the ink cartridge seat and again soak up any excess alcohol with paper towel. Let the print head dry up little.
6) Put the printhead back in the cradle and insert back the ink cartridges in their right seat. Lower the grey lever back into its position so the electrical contacts are made on the printhead.
7) Plug the power and USB port.
8) Print a picture or diagram with color in draft mode. You might have to do this couple of times, so that the inks starts flowing from the ink cartridge through the print head. Then print the same in high quality. If the heads are unclogged your printer should work as new.

Just one bit of advice: you may wonder if you've got the position right because the grey lever may not seem to be able to engage - it will, but needs a fairly strong push to click into position again.

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1answer

Print head
The carriage does not accept one or more of the printheads. Typical causes are dirty contacts on the printheads or carriage, defective printhead(s), or a defective carriage.
If parts are replaced or fixed in any of the steps listed below, attempt to verify printer functionality by turning the printer on and printing internal test prints. If functionality is verified, no additional parts should be replaced.
  1. Turn the printer on.
  2. Allow printer to complete initialization.
  3. With the printhead icon highlighted, press ENTER.
  4. Select Replace Printheads and press ENTER.
  5. If the message "Printheads still functional" appears, select Yes to continue testing the printheads.
  6. Open the top cover.
  7. Open the carriage cover and remove all of the printheads.
  8. Turn the printer off.
  9. Clean the electrical contacts on the carriage and the printheads using a lint-free cloth dampened with water.
  10. (for this step I suggest using the erraser on the back of a regular pencil instead of a cloth and water)
  11. Allow the contacts to dry.
  12. Reinstall the printheads and close the carriage cover.
  13. Close the top cover.
  14. Turn the printer on and attempt to verify functionality, as instructed in Step 19.
  15. If the error reappears, replace the affected printhead(s).
    NOTE: If the printhead error icon is a question mark, each printhead will have to be tested separately, as the printer is not sure which printhead is causing the problem.
    1. Following replacement of the suspect printhead(s), attempt to verify functionality (Step 19).
    2. If the problem persists following, replace the carriage and trailing cable (refer to pages 8-36 to 8-46 of the service manual).
    3. Following replacement, turn the printer on.
    4. Make sure the printhead alignment completes successfully and that no error messages appear on the front panel.
    5. Print a troubleshooting plot (as instructed below) to ensure the print quality is acceptable.
      1. On the front panel, select the printer icon and press ENTER.
      2. Select Utilities and press ENTER.
      3. Press the UP and ENTER buttons simultaneously.
      4. Select Yes to enter the Service Menu.
      5. Select Service Utilities and press ENTER.
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Alexander, did you do the allignment after changing print heads?
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The printhead needs to be replaced. take a look on amazon for replacement Lexmark Printhead. cheers lexmark-pinnacle-pro-901-printhead-error-2i4ggwcr0e0sverpwaph0wvr-1-0.jpg
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Sep 17, 2012 • Lexmark Pinnacle Pro901 All-in-one Inkjet...
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Replace print heads. How?
REPLACING HP PRINTER, PRINTHEADS


Follow these steps to replace the printheads in your printer.
  1. Press the Power button (c00636182.gif ) to turn on the printer.
  2. Open the top cover.
  3. Press and hold the Resume button (c01219285.bmp ) until the carriage moves to the left. CAUTION: Be careful not to proceed until the carriage is on the left side of the printer. If the carriage does not move to the left automatically, turn the printer off and back on and then try holding down the Resume button (c01219285.bmp ) again. The printhead can be damaged if the carriage is not all the way to the left for installation.
  4. Lift the printhead latch. Figure 3: Lifting the printhead latchc01290070.gif
  5. Lift the handle of a printhead and use it to pull the printhead out of its slot. Figure 4: Removing the old printheadc01295543.gif
  6. Shake the new printhead at least six times while the printhead is still in its packaging. Figure 5: Shaking the new printheadc01134519.gif
  7. Remove the new printhead from its package, and then remove its orange protective caps. Figure 6: Removing the protective capsc01134520.gif CAUTION: Do not shake the printheads after removing the orange protective caps.
  8. Insert the printhead into its color-coded slot (the label on the printhead must match the label on the printhead latch). Press down firmly on the printhead until it snaps into place. Figure 7: Inserting the new printheadc01290071.gif
  9. Pull the printhead latch all the way forward, and then press down until the latch engages. Figure 8: Closing the printhead latchc01290072.gif
  10. Close the cover. Figure 9: Closing the coverc01290073.gif
  11. The printer should align the printheads automatically in a few minutes, printing an alignment page. If it does not, go to the next section to align manually.
Align the printheadsIf you installed the HP software, use the instructions in the left column below. If you installed a Plug and Play driver or other driver, use the instructions in the right column.
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Mar 05, 2010 • HP Office Equipment & Supplies
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1answer

How do I change the print head on a Xerox 8500?
Hi there,

How to remove a printhead
  1. Press the on-line / off-line key on the printer operator panel to set the printer off-line.
  2. Use the upper softkeys to scroll to the 'Replace printhead' card
  3. Press the softkey below the 'Replace printhead' card to enter the wizard.
    An introduction screen displays the message 'Use this wizard to replace printheads. A roll is needed for calibration.'
  4. Press the key for 'Next'.
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  7. Press the front of the printhead cover to unlock the cover.
  8. Open the printhead cover.
  9. Pull out the printhead and remove it.
How to place a printhead
  1. Remove the protective tape from the new printhead.
    Do not touch the contact and nozzle areas of the printhead after you remove the protective tape.
  2. Place the new printhead in the printhead holder.
    The printhead only fits in one way.
  3. Close the printhead cover.
  4. After you replaced the defective printhead, press the softkey for 'Next'
  5. The screen displays the message 'Make sure that all head covers are properly positioned.'
    Press the key for 'Done'.
    The screen displays the message 'Close top cover.'
  6. Close the top cover.
    The screen displays the message 'Carriage moving to home position...'
  7. The screen displays 'Calibrating...'.
    The calibration process takes several minutes.
    You can stop the calibration process at any time. Press the key for 'Cancel' to stop the calibration process.

Regards,

Anirban Mazumdar
http://www.ikarmatech.com
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If the Warranty date on the printhead expired, then you may have to come out of pocket to replace the printhead since HP will argue that they are not obligated to replace the printhead since the manufacturer warranty lapsed.

If this is the case, check to see when you purchased the printer. If the purchase was within a year, the retailer (i.e. Best Buy) is on the hook since there is a 1 year implied warranty on products such as printers, regardless of whether the expiration date on the HP printhead expired.

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Aug 05, 2009 • HP Officejet Pro L7590 All-in-One InkJet...
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Printheads are very sensitive and HP sets a "Time" limit of about two years for # 11 printheads regardless of how much you print. ( This is bunk from HP of course!.) But the prinheads do not expire!! They just show their health and that the printhead has exceeded the warraty period ( regardless of how much you print) .

Remove the printheads from their socket and fill a 8- 12" dish with 1/4" high of warm water. Set the printheads in the water in the same position they are set in the printer (vertical) You may need to place a wooden spoon of a block behind the printheads to keep the heads in position, as they will tilt backwards.
Leave the printheads to soak for about 15minutes.
Remove the printheads and slightly press them on a folded kitchen paper towel .It should show two lines of the same color of the printhead (cyan, yellow, etc) If the two lines are not of the same length (about 1/2" long) then repeat the soaking for that color. Be sure to dry the printheads properly

Install the printheads in the printer socket vertically so the contacts are properly set.. If not you may get a message to "Install (color) printhead". reset it again and run at least 15 pages with color information. It should print ok!!
If any print heads is damaged then the only option is to replace it with a new one.
It may be that the ink line from the cartridge to the printhead is clogged and ink is not flowing. This may require to run a large print job of about 50 or so pages to force ink into the clean printheads.

The terminal strip behind the printhead that makes contact with the pins in the printer are very delicate and if removed two to three times may not make a good contact and render the printhead unuseable.

Good Luck!!

JoeA
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Dec 05, 2008 • HP Business InkJet 2800 Printer
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Dear palia1234,
Blinking in orange 5 times indicates that the printhead error occurs. You need to replace the printhead with a new one. But be careful before replacing the printhead, check your printhead if any smoke smell or indication of short circuitry present. Replacing the printhead in this case will harm new printhead. You'd better to take your printer to the nearest service center.

Regards,

Source:
Canon Inkjet Printer Forum
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Nov 08, 2008 • Canon PIXMA IP5200 InkJet Photo Printer
8helpful
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HP D135 - replaced printhead - still doesn't print in that color
try this link : I followed the directions and fixed the problem. the instructions that came with the new printhead weren't really complete.

Here's essentially all I did for my fix - Opened the printer top, turned the printer off. Removed the "bad" printhead, cleaned the metal contacts on the printhead and printer with windex. Closed the printer. Turned it on. waited for it to reset. Opened the printer. Turned the printer off again. Installed the printhead. Closed the lid. Plugged the printer in again. When it was ready I accessed the HP toolbox and alligned the printheads and cleaned the printheads. It worked. Here's a link with photos.


http://h10025.www1.hp.com/ewfrf/wc/document?docname=bpa02107&lc=en&cc=ca&dlc=&product=64986
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Oct 18, 2008 • HP OfficeJet D135 All-In-One InkJet...
1helpful
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Printhead replacement
I don't just change the printheads, go to utilities and recover printheads.
If all printheads are playing up, che3ck the magenta cleaner, if it's over full it can cause all printheads to fail, this info was taken from a page on the HP web page, but ?I can't remeber where.
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May 13, 2008 • HP DesignJet 1050c InkJet Printer
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