1/21/2024 0 Comments Hp photosmart 7520 ink manualBasically, you pop off the covers at the back, then loosen the hinge supports from the underside of the ADF/Scanner unit by prying them down from their front edge. Watch the video for how to remove the ADF/Scanner unit hinges. You should end up with a loose two wire (red and white) cable at the front, and two wide and one narrower ribbon cables at the back.ħ. Carefully unroute the four cables from the black mounting board they route through. It's a good idea to take a photo of each one, and how it's routed.Ħ. Note the position of the four cables you've unplugged. There is also a white cable toward the back, which you do not need to unplug.ĥ. The two larger ones had blue at the bottom, and but the narrow one did not. Carefully unplug the front most plug (red & white wire that goes to upper left corner of ADF/Scanner), and the three ribbon cables which run back to the ADF/Scanner. The cables to the top unit (ADF/scanner) are on the left side. I think that removing the right side panel requires that you take out a screw on the back of the printer next to the hinge, in addition to the two screws that are on the inner top.Ĥ. Note that the side panels stick up into inner top cover where the screws go down into them - it's useful to have a plastic spudger to pry the top up a little so that they can get free. Remove the lower side trim and side panels as per the video. I then put the printhead in a small glass bowl with about 1/2" of isopropyl alcohol, to get it cleaned up.ģ. Remember to move the handle back down, as the top will hit it if left up. Remove the printhead by pulling up on the handle on its left side. Remove the print cartridges and wrap in plastic wrap.Ģ. Here's what to do to clean the waste ink area in a Photosmart 7520:ġ. This will be a big help in remembering which screw goes where, or how the parts are oriented. You can spray it on a non-critical part of the mechanism to test it.Īlso, take pictures of every step you do. that it will not damage the ABS plastic used for the mechanis. that once the carrier dries what's left is a dry white powder, and 2. (Don't use WD-40 Specialist Dry Lube - it's not really a dry spray.) Check any "dry" lube spray first to see 1. You may also want some teflon dry lube spray such as Elmer's Slide-All or DuPont teflon spray to lubricate the mechanism after you clean it. A bottle of canned air could also help with drying, but isn't required. I found both needle point and flat point tweezers to also be helpful. A long thin plastic spudger with a flathead end would also be extremely helpful. You'll also need a #10 torx screwdriver or bit, and lots of paper towels and Q-tips, and some isopropyl alcohol. Strongly recommend you get some nitrile gloves. It and everything around it will be covered with gooey, messy, semi-dried ink. However, the video is a big help in understanding how to take things apart.Ĭleaning up the waste ink mechanism is a real chore. You don't need to do everything in the video to get to the waste ink mechanism. I've just finished a thorough cleaning of the waste ink area of our 7520. If you really want to clean the waste ink area I would consider cleaning the waste ink mechanism on an HP printer to be reasonably difficult, both because the ink gets on everything, and because full disassembly of the waste ink mechanism involves a couple of small springs which take some skill to reinstall. I have done a number of repairs on electronics, including things like replacing the screen on a MacBook Pro and the battery and other components on iPhones. There is a video on taking apart the HP 7520 / 7525 here: If you wish to show appreciation for my efforts, mark my post as Accept as Solution. Let me know how it goes and you have a great day! Please refer to "Step 6: Manually clean the printhead" from this link: NOTE: Though it is for a different product the steps are the same. However, if you wish to clean it please refer to the below video. This is typically designed to have the capacity for the life of the product, it is generally not required to ever clean the service station. The ink used for servicing goes into a pad in the service station. In order that I may provide you with an accurate solution, I will need a few more details.Īre you facing any issues with the printer? I reviewed your post and I understand that you want to know how to clean the Ink waste compartment.ĭon’t worry, I assure you I will try my best to get this sorted. Thank you for posting your query on this forum, it's a great place to find answers.
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