Question about HP Officejet Pro L7590 All-in-One InkJet Printer

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HP L7590 cannot locate printhead latch...don't think there is one

Trying to install new printhead that HP sent due to faulty one, and they were suposed to send email instructions, but have original that came with printer and cannot locate that latch to replace printhead. any suggestions

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  • darealzt Jan 24, 2009

    i just bought hp l7590 and its doing the same. can't find headprint.

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Ok...

The printheads are located in the internals of the printer. To get to them you need to gently lift the control panel up and you'll find this hinges up showing the inside of the printer.

You should then see on the printers LED that you can press and hold the OK button for 5 seconds to change the printheads. Do this until you see the printhead carriage moving out of the parking bay over towards the left.

IMPORTANT: Let the printhead carriage get over to the left and sit for at least 10 seconds before you do anything else as sometimes the printer opts to move the thing after a couple of seconds. Annoying but it can cause damage.. So wait a few.

Once the printhead is all the way over to the left, lift the blue plastic latch/cover from the front and this will reveal the two printheads.

You can now change and/or install your printheads before closing the blue plastic latch/cover and closing the printer lid.

Hope that helps.

Posted on Feb 19, 2009

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1 Answer

You just sent me a replacement printer and the instructions asked me to remove the printhead. I do not get insturctions on how to do this by going rto www.kodak.com/go/printheadsupport. I have removed...


Well, I don't think FixYa sent you the new replacement, but it was supposed to be sent by Kodak I guess. Anyway, here's the instructions on how to remove/install or in other words, how to replace the printhead.
  1. Verify that the printer is turned on and there are no error conditions.
  2. Open the printer access door and allow the printhead carriage to move to the center position.
  3. Remove the black and color ink cartridges.
  4. Disconnect the printhead by pressing the button in the upper-left corner of the carriage, then remove the printhead.nonontech_386.jpg
  5. Insert the printhead into the carriage.
  6. Place your thumb over the target label and push in firmly with your right thumb until you hear a loud snap.
  7. Check that the latch captures the printhead.nonontech_387.jpg
  8. Insert the color ink cartridge into the printhead.
  9. Press down on the color ink cartridge until you hear it click into position.
  10. Repeat Steps 8-9 for the black ink cartridge.
  11. Close the printhead access door.
*Follow upto step 5 to remove the printhead, I just included the remaining steps for your information.
Let me know if you need further help.
Good Luck.
Thanks for using FixYa.

Jun 09, 2011 | Kodak EASYSHARE 5100 All-In-One Printer

1 Answer

Printer will not recognize the new cartridge installed.


Solution
Follow these steps in the order presented to resolve the issue.
NOTE: If error messages also display on the computer, clear the error messages after each of the following steps. You might have to delete pending print jobs from the print queue on the computer to clear the error messages.

Step one: Perform a power reset
Follow these steps to reset the product. Make sure you connect the product directly to a wall outlet and not a surge protector or power strip.

Press the Power button ( ) to turn off the product.
NOTE: The product might not turn off after pressing the Power button. Continue to the next step regardless.
Disconnect the power cord from the rear of the product.
Unplug the power cord from the electrical outlet.
Wait 30 seconds.
Replug the power cord into the electrical outlet.
Reconnect the power cord to the rear of the product.
Press the Power button ( ) to turn on the product.
If these steps resolved the issue , there is no need to continue troubleshooting.
If the issue persists , see the next step.
Step two: Clean the electrical contacts on the printhead and inside the product
The ink nozzles on the printheads might clog if you expose them to air for more than a few minutes. The ink nozzles also might clog if you do not use the product for long periods of time. Follow these steps to clean the electrical contacts on the printheads.
CAUTION: Follow these steps carefully to avoid damaging the sensitive electrical components.
Make sure that the product is turned on.
Open the top cover of the product.
Press and hold the OK button for five seconds. The carriage moves to the left side of the product. Release the OK button.
Wait until the carriage is idle and silent.
Unplug the product power cord from the electrical outlet.
NOTE: Do not turn the product off by pressing the Power button ( ). This causes the carriage to move out of reach.
Lift the printhead latch.


Lift the handle on the printhead that the error message indicates is missing or damaged, and then pull the printhead out of its slot.

Use a dry, soft, lint-free cloth to remove any ink from the electrical contacts on the printhead.
CAUTION: Wipe only the electrical contacts. Wiping the ink nozzles, located on the underside of the printhead, can damage the printhead.Do not touch the nozzles. Doing so permanently damages the ink nozzles, and the ink stains clothing.
Figure 3: Electrical contacts and ink nozzles

1 - Electrical contacts
2 - Ink nozzles
Wipe the electrical contacts with the swab until no ink residue remains.
Wipe the electrical contacts with a fresh cloth to dry them and remove lint.
After the electrical contacts on the printhead are clean and dry, place the printhead on a sheet of paper or a paper towel. Make sure that the ink nozzles face up and do not touch the paper.
  1. Use a fresh, dry, soft, lint-free cloth to clean the electrical contacts inside the product. Figure 4: Clean the electrical contacts inside the product
  2. Allow at least five minutes for the contacts to dry. Check the contacts for lint or debris, and then dry or clean the contacts again if needed.
  3. Plug the product power cord into the electrical outlet.
  4. Press the Power button ) to turn on the product. 'Printhead missing or damaged, replace the printhead' displays on the control panel.
  5. Insert the printhead into its color-coded slot. Press down firmly on the printhead to make sure the electrical contacts touch.
  6. Pull the printhead latch all the way forward, and then press down to engage the latch. If the error message indicates that both printheads are missing or damaged, repeat the steps in this procedure to clean the other printhead.
  7. Close the top cover of the product. The product restarts and then prints an alignment page.

Apr 05, 2010 | HP Officejet Pro L7590 All-in-One InkJet...

2 Answers

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.

Mar 05, 2010 | HP Printers & Copiers

2 Answers

Officejet Pro L7590 printhead message (printheads only 2m. old)!


Pull out the printhead from the computer and check the date under "warranty ends" If the warranty period did not lapse, call HP technical support and tell them about the problem. They will replace the printhead for free. I have gone through 3 black/yellow printheads and I received the replacement printheads via FedEx within 1-2 days. They will send you a pre-paid envelope to return via U.S. Postal Service via US Postal Service.

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.

Hope this helps

Aug 05, 2009 | HP Officejet Pro L7590 All-in-One InkJet...

1 Answer

Won't print red Hp officejet Pro L7590 I've changed the red cart. but not the printhead.


Have you been using non-OEM (ie: from anyone other than HP) cartridges?, refillables, etc... before now?

If so, do they have the black rubber bulb in the base of the Magenta (red) cartridge?

If not that will be your problem.. The printer relies on this bulb to pump the ink into the printhead and also to detect when the cartridge is out of ink. Without it, it can pump air into the printhead and burn it out.


It's also possible that the feeding system in the printer is damaged and leaking slightly. If that's the case you would need to return the printer for warranty replacement (if it's in warranty) or take it to a service center (it's not user repairable).

If you are out of warranty and the service center is the only option I would decide where it's worth trying a new printhead. It may simply be the printhead is duff in which case you may be able to request a warranty replacement for that (if it's in warranty).

Hope that helps...


Feb 19, 2009 | HP Officejet Pro L7590 All-in-One InkJet...

1 Answer

Changing the printhead


FYI: The L7590 doesn't have any tape on either the cartridge or the printhead.

Right couple of things here...

1. The printheads in the L7590 are either K/Y (black/yellow) or C/M (cyan/magenta)... There's no single black printhead unless of course this is not an L7590 we're discussing here.

2. The cartridges ARE individual with K, Y M C (Black, Yellow, Magenta and Cyan).


It's likely that the printer has one of the following faults.
  • Chip contacts and/or chips on the cartridges are soiled and/or damaged. Try checking for ink on chips and contacts in the cartridge bay

  • The little white oval pump in the bottom of the cartridge bay has become disconnect or broken. This is used by the printer to pump ink into the printhead but it also detects pressure variations and has a logic circuit which declares low pressure as "no ink".

If the problem is the latter then you need to get the printer serviced and/or repaired at a service center.

If it's the former you should be able to fix it yourself.

If you're using non OEM (ie: not by HP) cartridges I'd recommend getting a new OEM/HP one to test before you go for a service as some cartridges are just poorly filled and/or designed.

Hope that helps.

Feb 03, 2009 | HP Officejet Pro L7590 All-in-One InkJet...

1 Answer

Trying to install a new black printhead and cannot locate printhead latch.


Please see the solution I posted for this earlier.

http://www.fixya.com/support/t1524475-hp_l7590_cannot_locate_printhead

Jan 11, 2009 | HP Officejet Pro L7590 All-in-One InkJet...

1 Answer

Blank Ink not pumping to print head


Turn off the device after removing the printhead After removing the printhead, turn off the device, wait about 20 seconds, and turn it on again without the printhead installed. After it has restarted, reinsert the printhead.

it will go through this long routine of perhaps 20 min or so. after its compleate it should print great.

Nov 22, 2008 | HP Officejet Pro L7590 All-in-One InkJet...

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