Samsung Replace New Imaging Unit

[Eustacio Gadit]

Wehave a Samsung M267x 287x Series printer. As per my past experience with monochrome laser printers, we refill the toner which is rated 3k 4 times and then get a new toner. Reason, a new toner costs 40$ vs a refill that costs 4$.

Under machine settings in the web-utility, I can force the printer to keep printing. Coming to the main question, is it safe to run a 9k imaging untill 12k or should I stop printing and get the new imaging unit?

My printer came up with the 'replace imaging unit' error. I brought a brand new genuine replacement. However, I am still having the same issue. I have seen other posts about other printers having a reset menu, however with a printer that has no

Search on youtube for; "samsung clp 360/365w. How to reset ITB, fuser and drum counter reset". The maker is Paolo Marcelli. In the clip there is information how to find the program EDC. You don't need the driver. Only the program. Now.....this is important, you have to hook youre printer via USB because if not, it wont work. When you follow the clip after you saved the 4 files to the samsung folder. Open the .ini file with wordpad or something (not word). By [Device] leave empty after vid=, and pid= and save the file. And now follow the rest of the film. And it should work. On a windows machine

My imaging unit did not have a resistor either so I twisted the resistor onto the two lowest contacts on the door (where the resister unit should touch if there) and powered the unit for a few minutes and the light went out. I then pulled off the restistor. I have the original imaging unit and mine is a C410W.

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Now is a good time to calculate your cost per page at this point and see if there are any alternatives in your price range that are more efficient. We ran into a similar situation with an older printer and the new printer was half the price and toner costs the same per unit but prints 1/3 pages more per cartridge so our operating costs went down and we spent less on the replacement, granted our printer cost $800.

This article describes how to get your Samsung printer working again without shelling out a fortune for a new Imaging unit. If you just want to know how to do do it, skip to the next step, the rest of this step is just an explanation of how I figured this out! Note that this worked for my CLP-365w printer but it may work for other similar Samsung models too. It will certainly work for any printer that uses the CLT-R406 imaging unit but I suspect they all use a similar technique to reset the page count.

Samsung produce a very nice range of domestic laser printers for the home, they're quite cheap too. However, they have engineered in some cunning ways to make money. All of the consumables for these printers (toners and the image drum) need to be replaced when the unit tells you, otherwise the printer will not print. So even if you manually fill up the toner cartridge, the printer still "thinks" it is empty and will refuse to print. I am not going to cover manual toner refilling here but there are plenty of guides around.

The other "consumable" on these printers is the so called "Imaging unit". It's a drum which is an essential component in any laser printer and it is used to transfer ink to the page in the printing process. To be fair, this component is a consumable, it will wear out eventually causing blurry or streaky pages etc. These Samsung printers have a kind of printing "odometer" that records how many pages have been printed using the current imaging unit. They also have a built in hard coded lifespan of about 5000 pages (i think...). So once we hit this page count, the red light of death illuminates on your printer and we get a lovely message saying "Warning, prepare new imaging unit". At first I thought, "ahhh its ok, it's just a warning, I'll carry on printing until it really needs replacing" - wrong. The printer literally won't print anything until you replace the imaging unit. So, I look online - wow 75! What a rip off! The ink cartridges for these things cost a bomb (so far I have just paid up but I will probably start refilling soon) but this is beginning to take the p*ss I thought!

I decided to take the Imaging unit out and examine it - surprise surprise, it looked perfect, not a single blemish or mark, hardly any dirt (not sure what a knackered one looks like to be fair, but this looked brand new to me). Also, the pages printed prior to this were perfect as well, there as never any sign of degradation.

A quick google search reveals many places offering to sell you a "reset chip" for around 15 with instructions, it's like magic, you just unfold it, plug it onto the imaging unit, close the lid and taadaa! The printer "thinks" you've bought a shiney new imaging unit an happily prints away.

I was about to punch in my card number and be done with it but then I watched the instruction video and took a closer look, I could see that this "reset chip" was really just a 30p resistor stuck to a piece of plastic. Cunningly, all of the photo's and videos of these chips seem to show it covered in a black lacquer so you can't see the coloured ribbons on them. Of course they've covered this up, they wouldn't want their little secret getting out! Well sorry guys, I know your game! These people are almost as bad as Samsung, packaging a 30p resistor up and selling it for 15!

After a bit of research, I discover how these things work. The imaging unit has a small removable plastic housing with 2 resistors in, one 200k ohm, and one much weaker 56ohm fusible type resister, in parallel. When it first powers up, the printer detects a low resistance. The printer passes a current though the drum unit and the small "fuse" resistor blows. From now on, when the printer powers on, it only detects the 200k resister so it knows this is not a new drum so the printer counts all the printed pages from now on. 2 years down the line, we hit the magic number and the printer stops working because it "thinks" the drum is now useless. So you go out and buy a new drum, it has the same 2 resistors inside, only the smaller one is not blown. You plug it in, the printer sees a low resistance again, it knows there is a new drum, so it resets the page count and then blows the new fuse and the cycle repeats. Now, if instead of buying a new drum unit we just replace the fuse, we can "trick" the printer into thinking we have a new drum unit. Simple. This is exactly what the 15 kits are doing, they are simply a new 56ohm fused resistor which you stick across the terminals.

Older articles and guides show it having two, but mine only had one. I guess it doesn't need a fuse when it is first manufactured because the page count is already 0. At some point Samsung stopped factory fitting the second resistor.

Either way, it will definitely have a 200k Ohm resistor and optionally a blown fusible 56 ohm resistor. If you wish, you can remove the blown fuse resistor (if you can identify it). It doesn't matter if you leave it in place though.

You should be able to get the resistor from an RS or Maplin (Radio Shack in the US maybe?) for about 30 pence or you could order one online. Heck you could probably salvage one from a broken electrical device - in fact some have reported this DIY fix working with 47ohm resistors - so if you do try to salvage one, it might just be that you need a very weak resistor, not specifically a 56 ohm.

We need to get that new resistor in there with the 200k ohm briefly and power the printer on. I suppose you could solder it in permanently, this will basically reset the page count every time the printer turns on. But this is designed to be a fusible resistor that blows, so I don't know if there is any concerns about this component overheating if you do that. In my case, I just rammed it in the housing roughly and twisted the component legs around the existing one to form a connection. In the picture, the blue resistor is the 56 ohm one.

- Make sure the resistor is the correct value. If you have a different model Samsung printer you could try different resistors. I don't think you can do much damage here, you're simply adding small amounts of extra resistance.

Laser printer users often talk about replacing toner cartridge and imaging drum. Are you aware of the differences between these two consumables? Scroll down for answers to this question and more.

Do All Printers Need Both Consumables?

The toner cartridge contains several components including the color pigment used to create letters and images. The imaging drum is the unit that transfers the toner to paper by following the principles of electrophotography. Not all laser printer models require both toner cartridge and imaging drums. Smaller, more affordable printers such as those offered by HP, Canon and Samsung brands to name a few have combo-cartridges that contain both these components in one single unit.

The purpose of writing technical blogs for office machine industries could be promotion of a product or service but awareness about information sharing for any subject or purely passion for writing.At TonerParts we share all technical printers information and documents with our customers by posting technical articles and instructions for any printer models.

Samsung has long been a reliable partner in the office to get printing and scanning jobs done. We supply generic and original replacement cartridges for your Samsung printer. Moreover some of our customers insist on using the original OEM cartridges and drum units. Use our range of guaranteed generic replacement cartridges and drum units (Samsung MLT-R116 Black Generic Imaging Unit), therefore our slogan is to cut costs not corners.

Toner Corporation (Pty) Ltd has been supplying Samsung ink and Samsung Laser toner cartridges since 1995.

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