Samsung laser printer not recognising toner cartridges!

[Harrison]

I hope someone has an idea how to fix this.

I've got a Samsung Xpress C1860FW all in one colour laser printer.

It's been brilliant up to now, however I had a paper jam so opened the paper tray and back door, but then had to also slide out the toner cartridge tray to get the paper out. When I slide the toner tray back in the printer performed all is checks and then threw up errors saying all 3 of the colour toners were not compatible! Only the black remains recognised. It obviously won't let me print, not even in B/W.

This is a bit of a nightmare because each toner cartridge costs around £50 and they were all still over 50% full, so have over 1000 pages left in each. I really don't want to waste £150 buying new cartridges in the hope it will work again.

Any ideas how to get the printer to recognise the toner cartridges again?

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[Bryce]

There's a small circuit board at the end of the toner cartridge with 4 gold contacts. These make contact with pins inside the printer. If they aren't making good contact or are dirty, it will cause such errors. Make sure they are clean and that the pins inside aren't blocked by a stray piece of paper.

Bryce.

 

[Harrison]

I've checked the contacts on the carts already. I haven't checked the pins inside the printer yet. Will do that. Might also try cleaning the contacts with some isopropyl.

Something must of happened when I pulled the cartridge slot out then back in. There are contact scratch marks on the cartridge gold contacts. I wonder if they are not allowing good contact?

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[Bryce]

You may even have bent or damaged one of the pins?

Bryce.

 

[Harrison]

I doubt any pins are bent. They look chunky and robust. The cartridges sit in a pull out tray and are each dropped into slot, one behind thy other and the whole thing then slide in, so not much should go wrong.

I'm going to power it down over the weekend and look properly with a torch.

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