Question about Samsung SCX 4521F All-In-One Laser Printer

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I refilled a catridge 4521 f, but toner is getting leaked at the one side of the toner, n whereas drum is perfectly good.

Powder leakage after refilling, though after cleaning excess powder..

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  • 4 Answers

The drum is perfectly good and toner is getting good. but belling on display scanner locked. so what to do ?

Posted on Nov 29, 2013


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017

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SOURCE: refiiled catridge of samsung 1640 has not supporting,is it refill

RESET . Open the cover on the back of 1640 and see to small board . There is a m/s 93C66 near a big chip . Turn OFF the printer , connect pin 3 and 4 of 93C66 and turn printer ON . Hold on connected pin 3 and 4 of 93C66 until lamps on the front panel light , when lamps end light disconnect pin 3 and 4 of 93C66 . Now the page counter is 0 , and starting cartrige will work . May be different time between lamps on front panel OFF and disconnect pin 3 and 4 , it is about 0,5 sec , but may be larger or smaller , may be you will need to do this sequense once more . This method works if page counter before  RESET not more than 2000 pages . 

Posted on Feb 25, 2009

  • 1 Answer

SOURCE: refill clp-315

No need to drill holes. If you turn the cartridge with the drum facing away from you, on the left hand side, you should see a small block elliptical cover with a couple of divider on it. That is the cover for filling the cartridge. The problem is there is no available reset chip yet for clp-315.

Posted on Mar 08, 2009

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SOURCE: ML1640 not working after toner refilling

Download the firmware from here
run the software and this will reset the page count to 0. Samsung printers generally do not support a refilled cartridge and thus the red light.But resetting the page count to 0 makes the printer detect the cartridge as an intoductory one.

Posted on Sep 01, 2009

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SOURCE: samsung ml-2240 printer is not accepting refill toners please hel

my samsung printer is model ml-2240 is not accepting refill toners please help, it is showing message that toner is exuasted, even though i refilled it, plesae help?

Posted on Nov 01, 2009

  • 2 Answers

SOURCE: refilled toner ctg. Getting 'toner empty stop'

When it says "Empty Toner - Stop" Click the right arrow at the circle and it should say "Empty Toner - Continue" hit ok and you should be good. You will have to do this each time that you turn the printer on or pull a cartridge out.

Posted on Nov 20, 2009

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After refilling toner powder in konicaminolta 1500w led shows please install a new toner catridge

The toner cartridges have electronic chips on them that tell the copier when they are used up since all you did was refill the cart and did nothing with the chip then copier still sees a used cart get a OEM cartridge install it correctly

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How do I refill catridge 42A..please advice

I would not recommend trying to refill a toner cartridge, you don't want to breath in the fine toner powder.
I suggest you purchase a new toner cartridge or a cheaper alternative, a re-manufactured toner cartridge for your model printer.

Feb 11, 2011 | HP LaserJet 4250n Printer

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My printer hp 2420 same day I up side doun my

Clean the powder with inside with the blur. clean the toner drum from all the sides. shake a bit if still there is a power leakage then there is a problem in the toner,that needs to be fixed.

Jul 21, 2010 | HP LaserJet 2420 Printer

2 Answers

Streaking on left side of page

there are some possibilities for this problem. i will explain it. 1) First of all check out if the toner is full ,half or near to empty. There is no exact procedure to check the powder left in the toner without opening the toner.but in one toner there comes about near to 1500 copies.if you have got about 1200 to 1300 copies.then its quite possible that the power left is near to empty so the streaks comes on the paper due to less powder left.many times in this case removing and shaking the toner then reinserting the toner again and checking the printout helps. 2) But if you are sure that toner is not empty then other possibility the toner cartridge there is a aluminium drum.its easily seen in the cartridge.once you remove the cartridge. if that drum is got very much used then due to that drum the streaks example.if the drum is new the print is very dark.if the drum gets old the print gets very light or with streaks or faded print. 3) Now if drum and toner powder both are proper and still the problem then its the fault in the your printer there is some toner powder got spilled out on the inner parts from where the printing paper when the paper passes from the part where the powder is fallen or got collected then the streaks this case the printer needs internal cleaning and servicing. 4) but in some cases it has been noticed that internal powder of the toner becomes moist and very hard to come out from the toner for this case either toner needs to be refilled or toner needs to be can get the toner refilled from local cartridge refilling store or local stationery shops dealing in cartridge refillings.The cartridge refilling shops also have the same printer for checking the at the refilling shop it will be confirmed whether the fault is in cartridge or printer.
This will help. Thanks please keep updated. please please do rate the solution positively .thank you for using fixya

Mar 18, 2010 | HP LaserJet 1200 Printer

1 Answer

How to toner refeil

r u a professional??
if so pull out the toner cartridge, unscrew from both side, gently remove the drum & the magnetic mesh roller, be careful that the teflon cover is not affected n there is spring on one side, clean the drum with a soft cotton cloth n keep aside, now clean neatly the container vessel & magnetic-mesh roller using a brush, refill using 'original' refill pack, don't refill till brim, reassemble all, after reassembly, clean all toner spills using soft cotton cloth, blow some heat on the drum using a hair dryer..itz ready
..always hv an expert supervision n always use genuine spare n refills..dis will make ur pc last long....

Oct 28, 2009 | HP LaserJet 1600 Printer

3 Answers

Printer toner refilling

you can fill it by yourself.
1. buy good qulity magnatic toner powder.
2. basic for oppening 12a toner is 2 SIDE SMALL PIN, YOU CAN EITHER PUT THESE PINS INSIDE THE TONER WITH THE HELP OF HAMMER AND NAIL.OR OTHER TRICK IS TO FIRST OPEN THE GEAR SIDE TWO screw BY PHILIPS SCREW DRIVER and pick up drum then with the help of l type sharp longe nail try to pull pins from inside to out side this by process you see you get two part of toner cartridge one is wast chamber another is main chamber smaller one is wast cleane it .

open the both side of main chamber by unscrewing 4 screw ond pour the toner power powder in that main hopper and do all the steps in vice versa. your toner is filled TAKE A TEST PAGE.

I can frovide you photos step by step mail me if neded

Jun 01, 2008 | HP LaserJet 1012 Printer

2 Answers


if you are using original hp catridge (not refilled) u got warranty exchange it

else change the drum it costs around 4$

Thank you
Take care

Apr 15, 2008 | HP LaserJet 1020 Printer

2 Answers


are you using non refilled genuine HP carts?

Nov 26, 2007 | HP LaserJet 4600dn Color Printer

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