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- HP Community
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- Re: Ink System failure - leaking cartridges

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03-27-2018 05:51 PM
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03-27-2018 11:00 PM
Hello ,
If you have ink system failure error msg issue ,
Please follow below steps and printer will surely work
- Go to HP SureSupply.
- If necessary, select your country/region.Figure : Country/region selector

- Follow the on-screen instructions to order new supplies or check cartridge compatibility with your printer.
NOTE:Printer firmware must be up-to-date to use HP 956XL/957XL/958XL/959XL cartridges. For more information, see HP OfficeJet Pro 7740 – Use Larger Cartridges after Update.
Ink cartridge description | United States and Canada | Europe, Africa, CIS, and Middle East | Latin America | Asia Pacific and Japan |
Black ink cartridge | HP 952 Black HP 952XL Black HP 956XL Black | HP 953 Black HP 953XL Black HP 957XL Black | HP 954 Black HP 954XL Black HP 958XL Black | HP 955 Black HP 955XL Black HP 959XL Black |
Cyan ink cartridge | HP 952 Cyan HP 952XL Cyan | HP 953 Cyan HP 953XL Cyan | HP 954 Cyan HP 954XL Cyan | HP 955 Cyan HP 955XL Cyan |
Magenta ink cartridge | HP 952 Magenta HP 952XL Magenta | HP 953 Magenta HP 953XL Magenta | HP 954 Magenta HP 954XL Magenta | HP 955 Magenta HP 955XL Magenta |
Yellow ink cartridge | HP 952 Yellow HP 952XL Yellow | HP 953 Yellow HP 953XL Yellow | HP 954 Yellow HP 954XL Yellow | HP 955 Yellow HP 955XL Yellow |
- Turn the printer on, if it is not already on.
- Wait until the printer is idle and silent before you continue.
- With the printer turned on, disconnect the power cord from the rear of the printer.
- Unplug the power cord from the wall outlet.
- Wait at least 60 seconds.
- Plug the power cord back into the wall outlet.
NOTE:
HP recommends connecting the printer power cord directly to the wall outlet. - Reconnect the power cord to the rear of the printer.
- Turn on the printer, if it does not automatically turn on.The printer might go through a warm-up period. The printer lights might flash, and the carriage might move.
- Wait until the warm-up period finishes and your printer is idle and silent before you proceed.
- Open the ink cartridge access door.The carriage moves to the center of the printer.
- Wait until the printer is idle and silent before you continue.
- Push in on the front of one of the ink cartridges to release it, and then pull it toward you to remove it.Figure : Removing the ink cartridge

- Remove the other three ink cartridges.
- Close the ink cartridge access door.
- Check the printer control panel.
- If the printer displays an Ink System Failure or Supply System Problem message on the control panel, skip to Update the printer firmware.
- If the message has changed to Replace [K/C/M/Y] Ink Cartridge, continue to the next step.
- Find a clean, lint-free cloth (eyeglass wipes or coffee filters work well) that you can use to clean the ink cartridge contacts.
- Lightly dampen a clean, lint-free cloth with bottled or distilled water.
- Gently wipe the copper-colored contact on the ink cartridge.Figure : Example of copper-colored contact

- Wipe the contact with a dry, lint-free cloth.
- Wait for the ink cartridge to dry before you continue (approximately 10 minutes).
- Reinsert the ink cartridge into its slot, and then push the ink cartridge forward until it snaps into place.Figure : Reinserting the ink cartridge

- Repeat these steps for all of the ink cartridges.
- Close the ink cartridge access door.
- Check the control panel to see if the error message persists.
- If there is no error message, you can stop troubleshooting.
- If the message is to Replace [K/C/M/Y] Ink Cartridge, remove the specified ink cartridge(s), clean the copper-colored contact again, and then reinsert the ink cartridge(s).
- If the Ink System Failure or Supply System Problem message persists, continue to the next step.
- On the printer control panel, swipe down to open the Dashboard, and then touch the Setup icon
. - Swipe up on the display, and then touch Printer Maintenance.
- Touch Update the Printer, and then touch Check for Printer Updates Now.
NOTE:
To enable the printer to automatically check for updates, touch Printer Update Options, and then make sure Install Automatically (Recommended) is selected. - Wait while the printer checks for any available updates.
- If the printer finds an update, the update installs automatically. The printer might turn off and on depending on the type of update being installed.
- If the printer does not find an update, the printer returns to the Home screen.
- On the printer control panel, swipe down to open the Dashboard, and then touch the Setup icon
. - Swipe up on the display, and then touch Printer Maintenance.
- Touch Clean Printhead, and then touch Continue.A test page prints.Figure : Example of the printhead cleaning test page

- Examine the test page.
- If the print quality is unacceptable, touch Clean Again to continue the next level of cleaning. Repeat these steps for the third cleaning stage, if necessary.
NOTE:
If the printhead is badly clogged, it might require another cleaning cycle. - If the print quality is acceptable, touch Done.
NOTE:You might need a flashlight to complete some of these steps.Figure : Flashlight
- Open the ink cartridge access door.The carriage moves to the center of the printer.
- Wait until the printer is idle and silent before you continue.
- With the printer turned on, disconnect the power cord and any other cables.
WARNING:
You must unplug the power cord to move the carriage by hand and reset the paper feed mechanism without the risk of electrical shock. - Lift the carriage latch handle to unlock the printhead.Figure : Lifting the carriage latch handle

- Without removing the ink cartridges, grasp the sides of the printhead, and then lift the printhead and pull it toward you.
CAUTION:
The nozzle area on the bottom of the printhead is fragile! Make sure the bottom of the printhead does not bump or rub on the printer. Do not touch the nozzles or electrical contacts. Touching these areas can cause electrical failures or print quality problems.Figure : Removing the printhead
Figure : Nozzles and electrical contacts
- Nozzles
- Electrical contacts
- Place the printhead upside down on a sheet of paper.
CAUTION:
Inspect the carriage path immediately, and then reinsert the printhead as soon as the carriage area is clear of paper or obstructions. Leaving the printhead out of the printer for an extended period of time can result in damage to the printhead or the printer.Figure : Printhead upside down on a sheet of paper
- Use a flashlight to check for and remove any paper or obstructions inside the carriage area.Figure : Checking for paper jammed in the carriage path

- Grasp the printhead on both sides with the electrical contacts facing the rear of the printer, and then insert the printhead into the carriage.Figure : Inserting the printhead

- Gently rock the printhead to the left and right to make sure the printhead fully seats in the carriage.
- Carefully lower the carriage latch handle until it snaps into place.Figure : Lowering the latch handle on the carriage

- Check each ink cartridge to make sure none stick out farther than the other ink cartridges. If an ink cartridge is sticking out, push it until it snaps into place.
- Close the ink cartridge access door.
- Reconnect the power cord and any other cables to the rear of the printer, and then turn on the printer.
- Wait until the warm-up period finishes and your printer is idle and silent before you proceed.
NOTE:You do not need to remove the printhead from the carriage.
- Open the ink cartridge access door.
- Unplug the power cord from the rear of the printer. Unplugging the printer prevents the carriage from moving.
WARNING:
You must disconnect the power cord before reaching inside the printer to avoid risk of injuries or electric shock. - Lift the carriage latch.Figure : Lifting the carriage latch

- Grasp the sides of the printhead, and then slightly lift the printhead without fully removing it from the carriage.Figure : Slightly lifting the printhead

- Set the printhead back down into the carriage to reseat it.Figure : Reseating the printhead

- Gently rock the printhead to the left and right to make sure the printhead fully seats in the carriage.
- Lower the carriage latch.Figure : Lowering the carriage latch

- Make sure the carriage latch is down.Figure : Carriage latch positions

- Carriage latch is up
- Carriage latch is down
- Close the ink cartridge access door.
- Reconnect the power cord to the rear of the printer, and then turn on the printer.
- Wait until the warm-up period finishes and your printer is idle and silent before you proceed.
- You might need to reseat the printhead up to three times.
CAUTION:Wait until you have a new printhead assembly available before removing the ink cartridges. Do not leave the ink cartridges outside the printer longer than 30 minutes. Doing so can result in damage to both the printer and the ink cartridges.
- Go to HP Parts Store (in English), and then select your country/region and language combination, if prompted.
- In the Find your part search box, type M0H91A, and then press Enter.
- Follow the on-screen instructions to order the printhead assembly.
