I was given this copier and not sure how it works. I do know it needs a new toner. If it is out will thhis prevent the copier from doing anything. Like changing even the number of copies. I would like to know before I invest in a new cartarige. Thank you
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Re: NP6412 Canon Copier
No, The copier should try to make a copy and try to feed a piece of paper through the copier. If it does this and continues to run for a couple of minutes it will either give you a add toner light or flash an error code of what problem the copier may have. If it powers up and you can't change the copy count then the switches in the control panel PCB maybe bad. The last time I checked on the price of a Canon control panel PCB it was less than $40.00 US. Good Luck.
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Just to clarify, you are stating INK? The Canon PC941 uses an OEM (Original Equipment Manufacturer) Toner Cartridge. Canon toner cartridges for PC941
printer are supplies produced by the same manufacturer that makes given
piece of equipment. Toner cartridges produced by Canon are called OEM. Remove the toner from the machine and then use cotton swabs and alcohol to clean around the roller wheels of all drawer areas. Be sure to unplug the equipment before attempting to clean the wheels.
How do you know it's full? Did you record the copy count when you put the toner in? The only time the copier will indicate that it needs toner is when the developer unit is empty or if the toner sensor is not in contact with toner, you should hear a very high pitch squeal sound coming from the copier. If you are sure you have toner inside the developer unit then the toner sensor is bad. Does shaking the developer unit back and forth a few times help? Maybe the toner has developed a cave inside where the toner is supposewd to be touching the toner sensor.
make sure cartridge is fully installed and sitting properly. Sounds like gears are not meshing so check gears with cartridge out (bottom of copier) and see if they are damaged. If so, copier is junk.It might not be out of toner just can't read it properly as it is not seated proper.
Did you look on the box the toner comes in? Also, when the copier needs toner, the display panel will walk you through the steps of how to install a new toner. The hardest part is getting the toner cartridge OFF. You need to press the front of the developing unit right under the blue cover on the front. The Black piece will push in to release the toner cartridge. Good Luck...
If copies are totally blank then it most likely is not the drum. It is transfer to the drum. A charge wire is most likely the cause of these type symptoms. Not easy to do if you never have before. Exposure lamps being bad give a solid black copy symptom so I am pretty sure thats not it either. You have a charge corona inside that is probably what your issue is. If you know someone who is a tech they might restring it for you as a favor or take the unit to a local dealer to see how much they would charge to restring.
There really isn't enough information given to give a proper solution. This copier has the drum light come on steady or flashing to indicate the waste toner needs to be removed. I don't know if you're a technician or not but lay people have emptied the toner cartridge instead of removing the drum, removing the cap on top of the drum, emptying the waste toner , replacing the cap on the drum, then putting the drum back into the copier. I've never had a copier keep the drum light on after doing this.
This is a standard toner error code. This is a way for the copier to prevent the Developer Unit from being completely emptied of toner. Was the copier displaying to replace the toner cartridge? Remove the cartridge and see if it feels empty, if so replace the toner cartridge. The manual indicates that there is a blockage between the toner supply and the developer unit. I really don't think this is the case. This will really be a bear to fix if it is. The book doesn't indicate that the copier error has to be cleared in service mode. But this is the procedure ( for all the newer digital copiers ) if you need it. Depress the Additional Function key, then the 2 & 8 keys at the same time, and the additional function key again. This will display the service mode menu. Touch the Copier key. Across the top of the screen you should see " Function ". Touch it, look for CLEAR in the middle column. Touch it, then ERR, then OK. Turn off the copier and wait a few seconds then turn it back on and all should be well. After the initial reboot, you might hear the whirring on the toner motor trying to add the toner to the developer unit and this may take a little bit. Make several copies and make sure the copier doesn't error out again. If it does the then the supply tube maybe clogged and I don't think I could explain what is needed then. Hope this helps.