Copies are not clean since i have put in a new toner
I have a large photocoping machine i need for my daily work and when i have installed my new toner in the copies are not clean, how would i clean the imaging screen. maybe the toner has fallen while loading. thanks
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The C25 stores toner in a waste toner container. On the front of that container there is rectangular clear window that fits into a sensor when installed into machine. The sensor passes a beam of light through that window. When the bottle is full there is toner inside that clear plastic window which stops the light from making it through the window and the machine will tell you the waste toner is full. Just dumping the container out will not clear that window and by putting it back in the machine you will get the same toner full message. If you are going to try to reuse that container you will have remove the black plastic cover that is glued to the container above the clear plastic. Then use something like a Qtip to clean all the toner off of that clear window(much easier and faster to just replace in with a new container). if you still get the waste toner full message after you install it then remove it and wipe off the sensor that the clear window sits in. This will clear the message and you can continue your copy job.
I have a Xerox xc820. The drum kit needed to be replaced, which I did as well as put in a new toner cartridge. The pages are now coming out very dark. Prior to putting in the new drum kit and new toner cartridge, the machine ran fine. I have tried all I know how to do and to no avail. Have cleaned the "wire", all the parts I can get to and cleaned the plate. Any help would be appreciated.
check your OPC drum life, if you have a poor quality with a new cartridge installed (light copy, dirty copy) the opc drum must be replaced, check you machine counter if you have reach 100k copies you need to replace the drum, if you are using a new OPC DRUM, you need to clean the machine, you have to call for service because there is many parts that muat removed to clean properly.
Could be a bad drum unit. Is the new toner cartridge a refilled? Remanufactured? or Brand New Xerox brand toner? If it is refilled or remanufactured I would run some copies and give it a chance to clear. Sometimes they end up with too much toner in the Developer mix and can be overtoned which causes a general background over the whole page. They should clear up as you run copies, say within 100 pages. Also try manually lightening the copy with the exposure control on the operation panel. If lightening the copy clears all of the background then you need to have the optics cleaned. There are 4 mirrors under the large original glass that need to be cleaned. If all this fails then you are looking at either drum unit or a defective or out of balance toner/developer cartridge.
Good Luck and Thank You for using Fixya.
Well, you put your self into a pickel. With the Di181 you most likly neede a new drum and cln blade & a good cleaning. Now with the Imagistics, you may have the same problem, but you put Minolta toner into a Imagistics. Thats like putting oil into water and wonder why they don't mix? Now you need to replace the drum & blade & developer & toner and vaccum out all the toner and start off with all new. Good Luck
If you mean " toner mixing ", you should check the toner ( if the toner is hardened, replace toner) and toner unit, remove toner unit shake it ( verry well ). If you havve skills and good will, carefully dismantle the toner unit and vacume it, then put it back, put fresh toner and then after auto initialization when message "toner mixing" stops you can use it again.
If the copier was without toner for a long time yust let her do the toner mixing, eventually turn it off and on for better toner dosing.
Sounds like a cleaning blade streaking in the drum modual. If this is a used cartrige it might be full of toner and causing the toner to continue to rub against the drum.
Other problems might be the discharge cortron not working. Sometimes if they have a cortron wire they can arc, even in the blocks on the inside and outer board of the channels. If they can be dissasebled with care, they need to be scrubbed, cleaned and reassembled. Most times the entire channel needs to be replaced.
The wires and channels need to be cleaned. Special care needs to be attended to becuase they are hairlike thing wires, they break very easy.
The machine might have a discharge voltage that may not be working to nuturalize the field on the drum. This would retain old images on the drum putting the old image on the copy over and over.
Some machines have high voltages, called "Bias Voltage" which is monitored by a speical circit board, High Voltage Power Board.
These boards are cortron power supplies, sometimes they do fail causing these types of problems.
Also, a worn out fuser roll can retain old toner on the surface of it, and causing the old image to be put back on the next copy after it. The fuser presure roll can retain toner and it can put dirty images on the back of the copies.
For major indepth service repairs, contact this vendor for a service call by a service technition.
There is limited information about this problem.
Whenever performing any servicing on the machine on your own, unplug the machine from the wall, First!
If there is competitive toner used in this machine, try using a different manufacture. Use the original manufacture that makes this machine first.
The entire toner has to be taken out and complete vacuumed. The developer housing needs to be completely free of any competitive toner.
Install the new original manufacture toner. Make sure it is from the manufacture themselves
The base of the machine inside needs to be clean because the toner will drop on the paper tray, this will cause paper jams. The toner drops and contaminates the feed rolls making them slip on the paper.
Extra care needs to be used when cleaning below the developer housing, especially by the Transfer corotron. If one breaks this wire, the entire corotron channel needs to be replaced.
This corotron assemble can cause different problems when it is not working. Light copies, faded copies with some images on the paper is an indication this transfer corotron is not working properly.
If the fuser assembly looks like it is in poor condition, the best thing would be to replace it. This fuser modual has stripper fingers that wear and will not take the paper off the heat roll properly. If the heat roll has a coating of toner on it, this toner will ride against the heat temperture thermister sensor. At this point, the temperature sensor is not working properly and can even shut down the machine due to poor heat sensing.
Do not try to clean this sensor.
A new fuser assembly would be the right choice.
The new assembly also has a number on top of it, either it is circled or just stamped. This needs to be entered into the machine for proper fuser operating temperature.
For better servicing have a trained service representative service the machine by the original manufacture.
This is a good machine if it has been good to you in the past.
Pay the price and be safe.
Inside this machine has 3 sections. Toner cartridge, developing unit and drum unit. First pull out the toner cartridge then you will see a blue anodized screw, loosen this screw then pull this section ( developing unit ), if there's already toner inside the chamber, clean it and pour the all the developer into the chamber then put back the developing section, tighten the blue screw and install the toner cartridge.