Question about HP Officejet H470 InkJet Printer

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Problem righmost - HP Officejet H470 InkJet Printer

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  • jimsroofing Oct 12, 2010

    after inserting new cartridge, the resume light and power light keep flashing..message is cartridge stalled...completed all HP paper jams cartridges inserted correctly, restarted printer etc., no change

  • jimsroofing Oct 12, 2010

    i paid to fix my problem and i did not receive a response


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Did you tried the suggestions posted in this website ?

Thank You

Posted on Oct 13, 2010

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Kindly explain the problem in detail.


Posted on Oct 12, 2010

  • taran_2005
    taran_2005 Oct 13, 2010

    Thanks for your response!!

    Please turn off the printer. Open the top cover and try to move the carriage.You will have to apply a bit of a force. Please try to move the carriage a bit up and down to loosen it up. See
    if there is anything stuck (like a paper piece or a safety pin) under or
    next to the carriage.

    The error you are getting signifies a carriage failure or ink system failure.

    mostly happens if something is jammed next to carriage or if the
    carriage sensor is failed or there is mechanical failure in carriage

    We tried to loosen it up but the carriage didnt get
    released by this and this shows that there is a mechanical failure and
    your printer needs repair. If in warranty, HP will repair it free. Else
    it would be cheaper to buy a new printer but you can still take quote
    from HP.

    If you still want to pursue this, you need to dismantle
    the printer completely and see if there is something jammed up behind
    the carriage (that's not visible from the front side). If you cannot find
    anything, then it would be cheaper to buy a new printer.

    As you have already tried HP suggestions, a few more tricks that could help you :-

    1. Open the cartridge access and unplug the power. Try pushing the carriage
    to the far right but don't force it if you find resistance. If it will
    not go into the service station (SS) area on the right, then you will
    have to do some disassembly to find out why. The SS could be jamed or
    broken. Once you have followed the disassembly instructions below, turn
    the large white gear on the SS clockwise. This should move the wippers
    to rear and allow the carriage to be pushed all the way to the right.

    Examine the service station. Sometimes one of the shafts that the two
    gears run on are broken. If the SS is gummed up with a lot of ink, that
    could also be the cause of the problem. You are going to see a lot of
    congealed in the sump which is normal. If you see liquid ink in the
    sump, its time for a cleaning (an issue we can discuss later).


    Turn on the power. Open the printer as if you are going to change a
    cartridge and then unplug the power. Wear latex gloves when you handle
    the service station.

    Removing the rear cover.
    from the rear, remove the T20 Torx screw on the left. This will allow
    you to remove the LIU (Line Interface Unit) cover and unplug the LIU.
    There are two push latches underneath that release the rear panel. It
    will hinge upward.

    Removing the rear panel will reveal some cables connected to the scanner. Disconnect them.

    Removing the Scanner

    Tilt the scanner upward as if you are going to access the cartridges.
    You will see two large springs. Remove them. The front of the scanner
    pivots on two large hinges. Pry them apart with a slot style
    screwdriver. They will resist but will release and allow the scanner to
    rotate upwards. Rotate the scanner approximately 90 degrees and it will
    lift off of it's rear hinges. Use caution as you remove it in case you
    do not have all of the cables previously mentioned disconnected.

    Removing the rest of the case

    There is a flat piece held on by four T10 Torx screws and two side
    covers that will hinge outward when two T10 Torx screws on each one are
    removed. When the side covers hinge outward they can be removed.

    2.If you still have it apart I suggest the following.
    1. Clean the carriage rod with alcohol. It probably has a coating of ink.
    2. Clean the encoder strip on both sides with a diluted mild water soluable cleaner like 409.

    3. Replace the lubricating/cleaning felts (2) on each side of the
    carriage. They get loaded up with dirt and ink overspray (P/N
    C6409-80003). Even if you delay changing them, all you have to do is
    swing the scanner out of the way to get access.
    4. Do a through
    cleaning of the service station. It will prolong the time before the SS
    starts acting up. Sometimes they get overwhelmed with ink and start
    leaking. The mother of all messes. Instructions follow.

    Removing the Service Station
    1. Unplug the connector from the carriage drive motor.
    2. Unplug the connector from the main electronics board.
    3. Viewed from the front, remove the red screw from right side of the service station.
    4. Remove the screw in the vertical frame to the right of the carriage drive motor.
    5. Remove the screw in the vertical frame to the left of the belt tensioner.
    6. Looking from the top, remove the two screws going through the carriage rod.
    7. The vertical frame will now hinge up and come free of mechanism.

    8 Looking from the front, there is a large latch on the right side of
    the service station. The wiring obscures it. Using a slot style
    screwdriver, release the latch and the service station will rotate CCW
    and lift out. Unplug the motor connector to free the service station
    from the mechanism.

    Cleaning the Service Station.
    1. Remove the service station motor by removing one screw.
    2. Scrap as much congealed ink as possible from the service station.

    3. Immerse the service station in hot water to dissolve the remaining
    ink. This will take a while but after a few rinsing nearly all of the
    ink will be removed.

    The above one are generic solutions that might work on your Printer.

    Let me know,if needed further assistance.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!


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