Unfortunately, I do not know where the drum is located since I've only been faced with removing the toner cartridge each time. Can u kindly pls. guide me as to where it may be and how it's pulled out? Like for instance, is it behind the toner cartridge (just giving as an example here).? Thx. for any reply in advance. Johnny
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To be honest, I don't recall an AR 120. But the lower end AR series are pretty much the same, on error codes and maintenance.
2 separate issues. The dotted circle means the DEVELOPER needs to be changed, NOT the toner. This means that it has been 30000 copies since the last developer change. The machine is dirty. Dirt/toner is what causes the F2.
This is something a technician must do, unless you are a tech for another brand of copier, then I can tell you what to do.
The F2 is a dirty sensor in the drum area, up by the charge corona, inside the copier. Usually, it gets covered by toner because the developer needs changing. You can try removing the charge corona and shoot it with some canned air up into the corona cavity, and the corona itself. If the corona doesn't pull out, 1 screw just above the corona needs removed. The charge corona is located at the top of the middle of the copier, facing it, with the door down. It has a green end sticking out. You have to be careful taking it out and putting it back in, because you can scratch the drum, and you do not want to do that! 150-200.00
Open the right side door, open the front door, remove the toner cartridge and look inside. There should be a blue screw above the hole where the cartridge goes, loosen it and then remove the developer unit. At this point you can grab the black cover just to the right where the toner cartridge fits and pull out the drum unit.
Shut the copier off and unplug it.
Open the left door partially, to free the drum cartridges.
Swing the flap up on the toner/developer cartridge and pull it out
Hold in the drum cartridge body while turning the blue screw at the bottom (?). The cartridge should pop out allowing you to pull it.
Put the drum cartridge on a soft flat surface. I like using a disposable diaper.
Remove the white clip holding the drum rod and put it where it won't get knocked into the twilight zone.
If you don't care about the old drum, grab and hold it. Or hold it by the edge or use a rag before doing the next step.
Carefully poke the rod into the drum from the left hand side using a screwdriver.
Then grab the rod from the right, and pull it out while twisting.
Or move the drum while in the frame to the right, and lift it up and around the foam pad. Then remove the rod.
As they say in the biz, installation is the reverse of removal. Don't forget to use SIM 24 to clear the drum counter. How about setting your registration and black density?
BTW, you do have the replacement kit with a fresh blade, seal and charger don't you? No sense replacing the drum without a new blade. And powder for the drum?
If you want to risk it, just make sure you use a toner vac to clean out the waste auger, without wrecking the charge grid, the mylar seal and the blade. Don't get toner on the blanking lens under the charge grid. I suppose you could use toner to dry-lube the drum. Any further questions please write....
open the front cover. remove the toner cartridge/s by lifting the green lever and pulling the toner out. Open the left side door. look at where you just pulled out the toner and there is one screw (facing you) holding each drum in place - loosen the screw and pull the drum out towards you....done.
the DK message means it is time to replace the black drum unit. the drum unit is called an ARC26DU. open the front cover. remove the toner cartridge/s by lifting the green
lever and pulling the toner out. Open the left side door. look at where
you just pulled out the toner and there is one screw (facing you)
holding each drum in place - loosen the screw and pull the drum unit out
towards you....slide in the new drum unit. to reset drum counter go into SIM mode by pressing the following keys one after the other "P" "*" "C" "*" then 24 and start/copy key then 7 then select the color drum you are replacing and confirm reset. make sure copier restarts afterwards
DO NOT refill these toner cartridges (even if you can find someone to do it) The toner cartridges for these machines have generally had ongoing problems as far as longevity and quality - refilling them will only make it worse.
That unit uses an AR-016TD Toner/Developer Cartridge. The developer is changed each time you replace the toner. To remove the drum unit open the right side cover, then the front cover, remove the TD cartridge, loosen the green screw on the front of the developer unit housing just above the TD slot. carefully remove the DV unit without tipping or you will spill out the existing DV. Then you can pull out the drum unit. There may be a green screw on the drum that must be loosened but I don't think so on that particular model. Installation is the reverse of removal.