 Hey guys, Kevin here. Guess what? Get my freedom card. Okay, lots of people ask me about the ZX-EA. It could cost by many things. Today I'm going to cover this symptom that the printer going to slowly move to the right, then going to smash all the way to the left, and bam, and you get a ZX-EA. I see the symptom. So when you start, the printer is going to slowly move to the right. What the printer is doing is trying to find a starting point. It will set the starting point to be 0.0. Once the stop at 0.0 is going to move to the left, it starts slowly and seems everything is okay. And watch this, bam, and he smashed into this fucking guy right there. Epson uses this timing belt or called optical encoder to determine how far the printer travels. The belt has vertical, light, and dark, light, and dark marks. So the printer was set from 0 travel to the left to, let's say, 2,000 marks. Because it's assuming your point 0 is really far right of the printer. Let's say you have some dirt right here. So it covers, like, 100 marks. So there will be one dark mark for all of it. So the printer will run off distance, run off tapes before it slams into the left. So you need to clean that. Another chance is if you have something obstructs a piece of paper on the right, so your printer cannot reach all the way to the right. So it's setting point 0 at the wrong place. Although you got a clean belt, you're going to run off tape before you reach 2,000 marks. In this case, there's no jam paper. The belt is clean, so there must be something else to stop the printer carriage movement. Sometimes caused by this cover gets not closed correctly, so it gets cut. Sometimes it's that piece of plastic that gets stuck out. It's raised too high, so it ought to sink and it cannot move. In this case, it stopped by something else. They always stop here. You can hear the click that it hit something. Don't worry about this piece sticking out. That piece is always under the carriage. So that's not the piece that causing the problem. To take a closer look, we need to take the scanner off. Then we take the cover off. I'm going to put the link above about how to take the scanner off. A scanner and a cover off is pretty easy. Two minutes. Now look up and down and see where the carriage got stopped. In this case, you can see there are piece broken right here. And it's going to hit the motor. Let me give you another view and you can see this piece going to hit the motor. What you have is a broken carriage frame. You can go to bchtechnologies.com and go search for carriage. You can see this Epson pre-net carriage with the PW sensor. You want to buy the one with the PW sensor. Trust me, you don't want to install the PW sensor yourself. If you want to do it all the fashion, you can go to categories, printer parts, printer carriage, and this right here. Once you're in, you're going to select the model be W36. That's going to work for 3640, 3620. A week later, you're going to get something like this in the mail. Use your fingernails to prep the little tab on here and here and on the left. This cable is go to the PW sensor. So you can get a long needle or something to remove it. Then you can use that same needle push in from that little spot from left and right. If you cannot find that spot, I'm going to post a video link above and show you how to remove the pre-net. This printer doesn't have a working pre-net so I don't have to screw on, but in the real one, you got to have three screws to remove. Then you can remove the cable. Let's take a second look at the cables. You have a two-wider cable, one to the left, one to the right, to the pre-net. Then you have a longer, smaller cable that's go to this called the CSSA board. Then you have a shorter cable that you just remove from the PW sensor. So you got two large cables, two smaller cables. Remember the clear timing belt emission? Here it is. That's the next thing we're going to remove. And pay attention where it comes through. Use a number two Phillips screwdriver. You'll be able to remove three screws from this side panel. Pull a little bit, then remove the timing belt. Now you can pull out the timing belt from the pre-net's carriage to get it out of the way. Now you can pull and remove the brown drive belt. On the left, you can just slide it through that opening and that will come out. Now we need to remove this with ink assembly. So our first one, there are two screws. The first one is here. The second one, you have to slide this into the right. Then it's hidden underneath here. Then pull this tube off. Very, very carefully remove the waste tank unit. What you pay attention is this little lever with that tiny, tiny spring. I usually have a magnet nearby so I can save that spring. To install this back, you need a rubber band. I'm going to put a link about how to remove and install this unit. This piece of plastic stops the pre-net moving to the right. To disable it, unscrew this screw from the back. At the front, front this tab and you can slide to the right and push it in. Do not remove the cover, just push it in. And now slide this tab all the way to the right and push it in. Now the only thing stop us is the motor. Again, you don't have to completely remove it. Just push it in a little bit. Make sure it flashed. The printer can pass. After that, we need to remove the cables for the printer to get out. Oh, I mean printed carriage. So leave the cable and small cable go first. Remove the two smaller cables. Then the larger cable can slide through. And now the thing can be removed from the rail. You can see how bad it is. Those things are moving at a really, really high speed. And the drive voltage is 42 volts. So it's pretty violent. Now you can pull off the drive belt. Put it on the new unit. Make sure the teeth side is towards you. The rail has to go between those. So it's not easy to put it down the first time. It's going to go in, then going to stop. And then you're going to push a little bit to make it smooth. So I think just repeat backwards and put the motor on. For the drive belt, you can push this one to you right a little bit to help you. Sometimes I guide a screwdriver and push it to the right a little bit. Do not push it too hard or put it too much. And just a little bit, say it's on. If you put too much, it's going to lose that spring. And you're going to have another radio to troubleshoot that. And you can do this before or after you put the drive belt on. You can push those plastic tabs back. Now put the timing belt through the optical reader. And then put the end on this side panel. And put the cable back. Remember we have a short little cable and a long little cable. The short little cable is for the PW sensor. So you have to go through the hoop and connect to the PW sensor. The bigger cable has a short and long two. The short one is to your right. And the longer one is to the left. And the blue side should be facing you. And the metal side facing the bottom. Now we only got the little long cable. And that little long cable is for the CSIC board. The CSIC board has little arms like this. One on the bottom, on your right. One on the top, on your left. Again, I have a whole video about how to uninstall and install the printhead. So I'm not going to repeat it too much here. And you just replaced the whole carriage. Congratulations! I hope you enjoyed this video. Visit us at www.bchtechnology.com or locally, Greensboro, North Carolina. Cheers!