 Hey guys, this is Kevin. Today we are going to talk about the absence error code 0335. This one is 033503. So let's check it out. We go to bchtechnologies.com and 0335, I'll do a search. 0335. So it has something to do with a PIS sensor. Oh, by the way, this page has all the common absence code. If you need this page, on your cell phone just text word EP error, just one word EP means absent error to this number, and I'll text you back the page. There are a bunch of errors 501 to 507. For example, the one we have is 503. It could be a sensor error, which is contaminant sensor. So this sensor is right underneath the cartridge. So it could be there's a drop vink, drop on the sensor, and it destroyed it. So that's what the contaminant sensor means. It can be the damaged FFC. FFC means the cable to the sensor. That cable may be fried. PIS is photo sensor board. I'm going to show PIS what the PIS sensor is in a second. What I commonly see is this 503, 506 you already see, which is light excessive error. That means this is an infrared sensor. So if it's too bright, it's going to fail. How can it be too bright inside the printer? Because you do not close the printer lid. And there are some people just open the printer lid when they printing. And this will happen so that the light damaged the sensor. And on the other side is insufficient light error. That's just the opposite. How can it be insufficient when it's dark inside? It's because you got a detachment sensor lag. Before we go forward, let's go get a replacement first. OK, so we go to bchtechnologies.com. I'm going to put a link above too. So you can just click a link. And we go to accessories, printer parts, Epson. And on the left-hand side, there are different side sensors. We click a PIS sensor. And today we're going to replace this guy. 8140859. This is very commonly used as sensors for workforce and expression in XP and the whole bunch of other models. It has the serial number, not serial number. It has a model number, printed on the back of the board. Just make sure when you replace, make sure you have the same model number. Open up the printer. And you're going to see the PIS sensor right here. It's easier to move the printhead all the way to the left when you do this. Of course, shut down the power. And it turned out counterclockwise three times. And then you can move the printhead carriage all the way to the left. If you cannot figure out how to do this, you can power the printer on when the printhead start moving, just cut the power off. It's the same thing. This is how the cookies do stuff. There's one screw right there. Unscrew it. And the top metal plate is going to lose. Sorry about the lighting. The metal plate is really reflective. So I turned off the light to show you how to remove this. Now there's a smaller screw on the sensor. So just unscrew that one. The sensor will come off. The white cable is called FFC cable. And the black sensor is on the piece of circuit board, which is a PIS board. Remember the blue part of the FFC cable is towards the sky. So blue up. This is what it looks like. Flip over and you can read the model number on the top. Now we put our replacement, the blue side up. And there's double-sided glue underneath the FFC cable. So you can just use your finger, just even it. It will glue to the bottom. I found it is easier to put the screws on the loop first, then put the whole thing in the printer, then screw it, then secure it. For the top plate, find that tab, like an inch from the sensor. And this plate should go underneath the other plate. Now we're going to put the other screw back. Let's see. Right now it's too early to tell. And notice that the ink icon on the top corner is grayed out right now. So the printer hasn't finished checking the PIS sensor. Right now it's checking. During this time, you can get 0, 3, 3, 5, 1 all the way to 0, 3, 3, 5, 0, 7. And still checking. Now it's done. You can see the icon become like a black. No more error codes and the printer is ready to print. Okay. I hope you enjoyed this video. Visit us at www.bchtechnology.com or locally, Greensboro, North Carolina. And since you're interested in the PIS sensor, I know you'll be interested in U-12 s-hockey. And that's my son Ethan. And he's playing defense this year for Carolina Stars. Oh, don't forget to get your COVID poster shots. Cheers.