Hello, i changed the cleaning blade on a ep1083 after putting it back together i ran 5 copies that were good, then i got s fuser error code which i reset after that i started getting half copies from front to back the back half is missing, i stopped the copy at the drum there was no copy on the back half of the drum telling me its a charge problem, i removed the main charge and checked it didnt find anything wrong with it i also checked the springs that the main charge connects to their ok.
is it possible the hv board has gone
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Start first bye buying a new drum, cleaning blade and developer. Hope fully you did not destroy the sensor on the bottom of the developer unit it has a ribbon cable. You need to clear the counter for developer drum first in service mode. Then replace the developer and drum and cleaning blade together as one!!!!!!
Then run the required F-8 procedure in service mode.
you need to clean out the drum unit of waste toner than probably have to replace the cleaner blade.
Also check to see if there is a tension spring employed to add friction(since this is a phase - out model, I'm guessing there is), you might have to modify this spring to add tension to the cleaning blade support plate.
Drum Cleaning Blade failure. Open up the top half of the machine as if you were removing a paper jam. Now look under the top half and about in the center from left to right. You should see a burgundy colored cylinder running from the front of the machine to the back. If you can see the toner streaks on the surface....expecially on the 1/3rd like on the copy then this will be proof that the drum cleaning blade is the cause. Simple repair for a tech that knows copier basics. A good estimated cost would be about $25.00 for the blade and whatever the going rate is for a service call in your area.
You need a drum cleaning blade. This blade cleans the drum between copies.
You can verify this by opening the "clamshell" or lifting the top half of the machine like you do when removing a paper jam. Then look under the top half of the machine on the inside. You should see a reddish or greenish colored cylinder called the drum. It is about in the middle from right to left. If you see the same black bands on the surface of the drum as you do on your copy then the drum cleaning blade is bad.
This cylinder should normally be clean.
After replace the photocopier drum you need perform the F5 Auto Image Density Control.Enter in the service mode:press Stop key - 0 - 0 -Stop key - 0 - 1 and press 1.In the LCD appear E and press 5 and the copy(start) button for perform the F5.Begining place A3 sheet paper in the original glass.To replace the OPC drum clean the optical section(glass,mirrors,lens,sensors) and change the OPC drum cleaning blade.Clean the quenqing lamp and erasure lamp amd the transfer/separator corona unit(holders,wires) and the charge corona unit.
What you mostly need to do is to clean the optics under the copyboard glass the mirrors are mostly dusty... I would use a soft dry cloth to wipe the mirrors off. There is a mirror under the "Black Box" I would also, use a lightly damp rag with rubbing alcoh. to wipe OFF the scanning lamp & reflector. Cleaning the optics should get read of the dark back ground, but the drums are only good for 80k... You may need a new OPC drum & blade. Good Luck
When you tried adjusting the manual adjustment to lighter did it improve? If so, you may just have to clean the optics of the copier. It is easy to do. If you want to try it? Do you have a doc feeder? Turn the copier "off" and "unplug" it from the wall. Next open the doc feeder or cover for the copyboard glass. On the left side of the copyboard glass where you line up your orginals to the sive scale. There are " 2 " small #2 phil. size screws that hold it on " most of the time silver. Unscrew the 2 of them and left up the scale plate, CAREFULLY if you have a doc feeder there will be 1 or 2 spings there. Remove the spring and the copyboard glass. Next move the optics/ mirrors SLOWLY to the RIGHT side of the copier and with a dry and clean rag wipe the 3 mirrors of dirt CAREFULLY. Once you are satified they are clean return the copyboard glass and the 2 springs if remomed and return the scale and 2 screws. Then plug the copier back in and turn " on" the optics will go back to the Right postion by themself. Next make a copy and if it better you are done, if not you may need a new OPC drum & cln blade & a developer change to solve any C.Q. problem. Call a service company at that point.