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Try cheating the door interlock and see if the toner bottle is spinning. If it is, then the front coupler is messed up. Often times you see the valve from the old bottle still stuck in there. If it's not spinning, I've seen the toner supply drive go bad.
If the toner bottle turns as in the previous post, you may have a problem with the toner delivery to the developer housing. Pull out the toner bottle far enough to look at where it contacts the developer assembly. It is on the right side of the toner bottle ass. You should see a small slot on the left of the dev.ass. that toner falls into. If that slot is not full of toner then the mylars in the toner hopper have broken off and are not pushing the toner into the dev. ass. i don't recommend you trying to fix that unless you have a toner vaccuum; I would buy a new toner hopper.
If the toner bottle turns as in the previous post, you may have a problem with the toner delivery to the developer housing. Pull out the toner bottle far enough to look at where it contacts the developer assembly. It is on the right side of the toner bottle ass. You should see a small slot on the left of the dev.ass. that toner falls into. If that slot is not full of toner then the mylars in the toner hopper have broken off and are not pushing the toner into the dev. ass. i don't recommend you trying to fix that unless you have a toner vaccuum; I would buy a new toner hopper.
Thank you for reply.so i am checking toner housing and bottle.in fact immediately after input new drum unit the machine copy some pages correct after that much toner push into developer strongly and add toner appear
Try cheating the door interlock and see if the toner bottle is spinning. If it is, then the front coupler is messed up. Often times you see the valve from the old bottle still stuck in there. If it's not spinning, I've seen the toner supply drive go bad.
Thank you for reply.so i am checking toner housing and bottle.in fact immediately after input new drum unit the machine copy some pages correct after that much toner push into developer strongly and add toner appear
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