My Laser printer (Samsung ML1510) is producing a black streak down the middle of all the pages it prints. I'm guessing that it's the toner roller, built-into the toner cartridge, that's at fault, but before I shell out about £70 on a new one (more than I paid for the damn' printer!) can anyone confirm or refute my diagnosis?
Might be a scratch on the imaging roller although scratches on mine have caused light lines on the image rather than black.
Could be waste toner build up in the cart. How much have you used it, have you refilled it and have you ever dismantled the cart to clear it out of waste toner?
I've found replacement imaging cylinders for DIY at the site below but it's a pack of 5 and at just under 70quid it's a bit much for a might-fix solution. Anyone fancy doing a split?
I have the same printer with the toner running low. With the Samsung CLP
315W being just over 100 quid I'm debating whether it's worth buying the new toner.
I just wonder if the new colour printers come with smaller toners from new as each toner cartridge seems to cost 30 quid and 4 of them is more than the new printer.
IME they are unrelenting and unrepentant spamming bastards who refuse to accept instructions to cease contact no matter how or how often they are made. If they were the last seller of ink and toner on the planet, I would throw out my printer and start writing and drawing things by hand.
I do hope that doesn't colour anyone's opinion of them though, please make your own mind up.
If you absolutely have to use them then I would suggest using a disposable email address and not giving them your real phone number.
They have also bought out the business names of Morgan Computers, Cartex and others in a similar business line so take care. Watch out for suppliers' addresses showing Unit 1 Polham Industrial Estate, Somerton, Somerset.
Other suppliers of remanufactured carts are available though.
I've got one of these printers too. Since it was cheap I didn't mind risking it when the toner ran out. It's been running off "fill ups" for some years now with no ill effects. I do occasionally have to clran the drum to get rid of black lines / streaks. All I've used is a soft cloth, again no ill effects so far
I've just had the same thing on my old Xerox P12 printer. I asked about this on comp.sys.printers and got no replies, so went ahead and fitted the last 'toner plus roller' cartridge that I had in stock.
It has cured the wide line down the page problem, but I still have the faint occasional lines across the page. I can live with these.
I couldn't see any way of rotating the old fuser roller to attempt to clean the black gunge off, so I posted it all off in the envelope provided.
When this cartridge goes, it will be time for a new printer.
I don't know how similar laser printers are to photocopiers (I know they work on the same principles), but I once cured the office photocopier of a black stripe - by removing the dead fly from the corona wires!
None goes to fill the machine, it stays in the cartridge until needed then transfer directly to the paper. There are odd exceptions where you fill an hopper with toner.
Horizontal marks and lines can be traced back to the cause most easily by measuring the repeat distance of the mark on the paper and comparing that to the diameter of each roller.
New printers have very rarely 100 % full carts. I was lucky and got an HP 2550 colour laser that had full carts. Most are filled to 50%. Look at Lexmark, they sell very cheap printers and very expensive ink carts. Companies quite often sell cheap products and re-coup their money from spares and replacements.
Almost certainly a problem with the drum (light sensitive roller).
I am an IT Tech in a school and exclusively use Cartridge World. I have had in quick succession this problem with two HP cartridges which CW have immediately replaced FOC, even one which was more than half empty. A refilled cart. costs about half OEM price and if you don't have an empty OEM to swap in a premium of obout £5. It helps to build a good relationship with the local shop (they are franchises) & I spent about £2k with them last year :-)
Black streaks, usually a bit rough around the edges, from top to bottom are usually the fuser unit, the heated roller assembly just before the paper is ejected. Perfect fine streaks with sharp edges may be the imaging unit.
The fuser has a heated metal roller (often PTFE coated) and a silicon rubber roller pressing on it from the back of the paper to fuse the particles onto the paper. Either the roller or heater roller have become scored and collect powder debris. Sometimes they can be replaced independently but more usually the whole fuser unit is replaced. In some cases the unit is more than the cost of a new printer so may not be available.
Take a tip. If you want a laser printer, go onto your local Freecycle, Freegle or other local Recycle yahoo group and ask if anyone wishes to part with one.
I recently got an HP Laser Printer and a HP Laser photocopier. Both in A1 condition. The reason they parted with them is because they had had new ones donated to them.
My HP colour laser certainly does but they don't hide that fact. I've just replaced the black cartridge, several months after the printer said replace now and I switched on the override... That cartridge probably did less than 1000 pages, the new one says something over
2000 pages. But I'll run it until the printout starts to fade after it's been taken out and shaken a couple of times.
On a laser? Most now have the transfer roller as part of the cartridge.
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