I have a CLP-500 that has been through the first set of toner cartridges and worked fine with the next set too.
Now the image transfer belt and the imaging drum have both reaced end of life, so I have replaced them.
However I had dark streaks on the background of all prints. So I replaced the black toner and all was fine - all dirty background disappeared.
However, if I print a photographic image (for the sake of testing) it gets a band of magenta (ish) colour right down the middle. This is of varying width down the page.
I have replaced all the colour cartridges one by one and now have a full new set, but to no effect.
So, essentially the printer has:
new black, cyan, yellow and magenta toner
New imnage transfer belt
New imaging drum
but although I now have clean prints, the colour band down the middle is unacceptable.
I had the same problem. Its the Imaging Unit. I replaced mine the other day with a new one only to find black marks streaked down the prints.
If you ask for a replacement it should come out fine again.
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It is a color laser printer.it has 4 toner cartridge(1)black(2)magenta(3)cyan(4)yellow all cartridge is missing or toner finished.Please purchase full set toner.All toner cartridge has a image sensor.When toner is run out then it is out of work.
The printer needs to think it has all 4 toners present, and NOT at the end of their life.
There are two methods of achieving your goal of using this as a mon printer only.
1 - a zero cost option which works on a CLP-510, and may work on CLP-500.
Hold the MENU button down whe you switch the printer on. The printer will then start up in 'UNCHECKED CONSUMABLE' mode. You will have to remember to do this each time you turn the printer on.
2 Just replace the reset fuse modules on the Yelllow, Magenta and Cyan cartridges. Much cheaper than replacing the cartridge.
In both these cases, of course there's no more toner in them. but provided you ONLY print mono this shouldn't be a problem, and there's probably an option in the printer driver to set it for mono anyway (but the printer still needs to 'think' it has usable colurs cartridges in it).
I've refilled the toner cartridges a few times now and never had a problem with vertical streaks until recently. I refilled both the cyan and magenta and when I ran the test page I had dark vertical streaks on both sides. I fiddled around cleaning things, running cleaning paper through, changing reset resistors but to no avail so eventually decided to buy a replacement refurbished cyan cartridge since the streaks looked mainly blue and bingo... well almost now I just have very light magenta streaks. The issue is obvious when I compared the old and new cartridge, the replacement toner is a much duller cyan and is of the wrong consistency since once it's been in the printer everything gets covered in it which is why I think it causes the banding to occur. I'm just trying to work out now whether to try refilling the magenta again (v. messy) or just go for another refurbished cartridge (£34).
If this IS a CLP-510, first make an information confirmation print.
Press MENU, then press ENTER, and ENTER again.
Look at the counter for the imaging unit, is it a low count confirming that you have indeed replaced it ?
If not you will need to reset the counter.
Check the counters for the toner cartridges, and check the capacity of the cartridge. On a CLP-510 the image counter for the toner is held on the chip on the cartridge (which also identifies the capacity of the cartridge).
There have been some faulty (oiginal Samsung chips), and of course re-manufactured cartridge chips could fail (many re-manufacturers don' test their cartridges before dispatch, they don't have the facility to do so without starting the count on the chip (or 'bowing' the reset fuse on a CLP-500 cartridge). VERY few re-manufacturers can test these cartridges without starting the count.
Sometimes the 'replace xxxxx toner' messages are caused by toner on the three contacts on the side of the cartridge, or their mating contacts inside the printer. Rarely, this can be caused by a faulty circuit board.
1 Could be toner on the contacts (inside the printer) that mate with the contacts on the cartrdige.
2 Are you sure they are 510 toners and not 500 ones ?? 510 toners have a chip that identifies the cartridge (Colour, Capacity) and maintains a count of the pages printed.
500 toners have a reset fuse that resets the toner counter in the printer, and a resitor that identifies the capacity
3 Are they new cartridges, remanufactured, or 'home refiled'.
if either of the later two, were the chips replaced ? - if not the cartridge still thinks it has printed its full life of pages.
Please take your unit to an Authorized Service Center ASAP. Do not tur on the unit again. That burned fuse means that the temperature sensors inside the printer (thermistors) are not working correctly and the unit is overheating.