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Re: blue line in middle of the colored copy how can I fix
What color is the blue line showing up in??? If it is a green color there is a problem with the yellow drum or developer > I the color is a purple color then there is a problem with the magenta drum unit or developer unit.... Odds are you may need a service tech to come out & do a general cleaning...... Good Luck
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you want to note the frequency of the ghost image. the drums are 1.5 inch round and the fuser rollers are a little bigger like 2 inch round and then the y1 trans belt is way bigger like 19 inches and the y2 belt is like 6 inches. If th ghost only happends with one color you could be pretty sure your problem is with that single drum. if it happends in multiple colors look at the other options first.
y2 and fuser you can see when opeing the right side of the machine
y2 is the wider rubber belt that is lower and the fuser is the hot hting at the top with that flip down cover.
y1 belt comes out with 4 blue screws after the front and right side of the machine are open, the toner waste container is out, and you line up the u shaped thing in the middle. turn in the direction indicted untill you see the green stick apear in the back threw the u.
The drums come out after you remove the developer units. with the machine off Open the front cover remove the toner waste container and loosen the two blue captured screws on either side of the plastic piece that covers the drum units. once those screws are loose check to make sure that the primary transfer unit is disengaged. there is a u shaped thing in the middle that needs to line up. if it is not lined up then rotate the blue screw in the direction indicated until it is. flip the whole plastic bar up if it catches in the middle don't force it rotate that screw. if it catches on the sides then just push it harder the sides make a pop noise sometimes before they give. each of the developer units have a flip up cover that gives you access to another blue captured screw. Pull on the cover from the bottom up then loosen the screw and the developer units will pull towards you. after you pull a dv unit the corresponding drum unit comes out by pressing a button down. the drum units are rebuildable in this machine. there are two blue plastic screws in the end holding a bronze bushing, and two silver plastic screws holding a cover on. there is a snap on side cover that will release the grid. and then three blue screws to get the wiper out. in general on sharps it is ok to pull out blue screws, but never ever pull out red screws.
The board that called the T-Con board it is could be dead.This T-Con board control the out put tv signal to the tv LCD screen panel.This T-Con board sit at the bottom in the middle bottom of the tv LCD screen panel. Take the connection out of the T-Con board .Tries clean the connection of the board with some rubbing alcohol,might fixed the problems,if not.Tries websites like Shopjimmy.com,EBay.com to buy a refurbish T-Con board for the replacement.
The 2 most common causes for lines on this machine areA) Dirty **** Glass ( This would only affect copies not internal or computer printed jobs)B) Worn Drum Unit First make a copy off the large glass and see if you get a line still, if not try running it through the document feeder. If the line is present through the feeder but not off the large glass. Clean the small strip of glass to the left of the large copy glass and this should resolve the line. If lines show up regardless of how or what you print/copy open the left door of the machine and you should see in the lower area a handle with a blue sticker on it. By grabbing both the front and rear handle of the unit remove it by pulling straight out and lifting slightly. If this blue/green cylinder has any tan colored lines or marks on it then the drum is worn and needs replaced.
The first thing I would try is to fix the corona wire. Here is a link to Brother's website outlining the process (clean corona wire). What you need to do is pull out the drum and look for a blue tab on the top of the cartridge. Slide that tab back and forth along the wire and see if that clears things up. I have had some luck cleaning the drum when I get black streaks but I have also hear this can be dangerous and make the problem worse.
You need to remove the toner cartridge if fitted pull out the toner holder, making sure the opening is on the top, if not the toner will spill out, set this to one side and clean the toner holder thoroughly.
Here's the deal with the cartridge alignment page....the machine will spit out a series of black lines mixed with yellow ink and at the beginning of each of these lines is a "Green" check mark. The carriage moves back and forth over these lines and green check marks and reads them by use of what is called a "spot sensor" that resides on the right side of the carriage assembly. This is usually noticed by the blue ray of light that shines out of it. So if you are getting an alignment failure one of two things is happening....1)You've have got a bad cartridge (usually the color) and it is not laying down the right colors, specifically the green check mark or 2)You've got a bad spot sensor...even though it may still be shining the blue light, the sensor board can't process the information. Its an easy fix either way.
Jim, A couple of things:
1. OEM (Canon original) toner cartridge or remanufactured/compatible? The first place to start is always with the toner cartridge when image problems occur. Pull the cartridge out and draw back the drum cover. Check to see if the drum is a nice "clean" blue color or if the lines and spots are on it like you described.
(These two areas should be handled by someone with experience in copy service)
2. The next thing would involved cleaning under the copy glass. Build up from dust, etc causes a "fogginess" that makes the machine try to adjust the intensity of the exposure lamp to conpensate for this.
3. Also could be a bad upper fuser roller if you started having any paper jams when to paper exits.