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I keep getting "dirty copies" from both the scanner and top-loading portion on my Bizhub 7255. I have tried cleaning the glass but the problem persist. I did notice a pool of ink below the toner door, but this did not happen until quite recent. Please help!

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Have a technician come out and clean the paper path and check the drum area, also the fuser the hot part

Posted on Jun 14, 2015

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SOURCE: How do I clean the INSIDE glass/platen?

You mean the inside of the scanner glass? (The platten is a part of the print unit),

You'll have to remove the sides and read cover. Unplug the scanner wires and remove the scanner assembly. Separate the document feeder from the scanner bed. Open the covers of the scanner bed (usually there are screws holding it together). Remove the glass and clean it. Reverse the process to reassemble.

Be careful. Canon multipasses are built a little like a Chinese puzzle box. There are little snaps everywhere as well as screws. Watch out you don't force anything and cause the snaps to break.

Posted on Nov 07, 2008

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I an getting light copies on konica minolta bizhub 362 what is the adjustment to make copis dark


Normally light copy comes out when mirrors are dirty. Before any adjustment clean the slit glass and mirrors.

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D-203 can be caused by dry scanner rails, remove the original glass and clean and then oil the scanner rails on both sides. Also sometimes your CF card cab be corrupted. A C-2403 is a dirty toner bottle detection sensor, remove the toner bottle and clean inside the housing, the sensor is way at the back on the top left side.

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Sharp IR 2016 platine glass dirty


The cover plate is above the glass white surface of the scanner. If this is the same dirty stains will come out on copies.
The glass must be clean.
By feeding the original documents through the ADF, the scanner lamp is no longer the path to scan, the ADF is responsible for passing the original document over the scanner, while it remains still placed on the side under a thin glass is to a large glass side. This also must be clean, otherwise you will be black lines on each point or spot on the glass.
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I have a Canon MF 4690 printer. When I scan or copy, it draws a line the length of the sheet. It doesn't do that when I print.


That's usually caused when the platen glass, or ADF glass is dirty or damaged. Try cleaning the platen glass and it's cover, and most importantly the thin strip of glass in the ADF portion of the scanner.

A piece of debris or an ink smear will cause a black strip just like the one you describe.

BTW, if you need instructions on cleaning the ADF strip there's usually instructions in the user's manual.

May 04, 2011 | Printers & Copiers

1 Answer

My canon np6050 xerox machine doing darker copy . please tell me what can i do for it


just clean the optics mirror to clean those mirror remove the 2 screw in right portion of the machine the 2 screw is the lock of the metal plate in the right end portion of the platten glass the after you remove the screw remove the metal plate & platten glass then move the scanner assembly in the middle portion then you will see a mirrors wipe it with clean rugs then after you clean those mirror remove the 3 screw in the black cover inside the right portion of scanner after you nremove the 3 screw & the black cover you will see 2 mirror wipe it with clean rugs the after you clean the mirrors return all the cover you remove &the platten glass & metal plate then try to make a copy

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Copy darkness problem canon image runner 2830


Hi,
Did you try to clean beneath the copy glass?
On digital machines, when the copy glass or optics are dirty, copy becomes verry light.

How many copies do you have? pres 123 button.
It also could be that you need to change the toner station, by the book it goes 300000 copies.
But I bet on dirty copy glass and dirty scanner assy.Clean the glass with glass cleaner and polish it with dry cloth.

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Lines on my copies


As the page you wish to copy goes through the document feeder, it passes the scanner as well as a white plastic band that the scanner "compares" the dark writing or data on the page to. If this white plastic band is not very clean, the scanner reads the dirt as if it is part of the image you are scanning. Try cleaning the band as thoroughly as possible, as well as the small piece of glass to the left of the larger glass on the flat bed scanner. Make another copy to test your results.

Hope this helps!

May 07, 2009 | HP LaserJet M5025 MFP All-In-One Printer

1 Answer

Copying on my 7210 hp all in one


are you feeding in the copies from the Automatic Document Feeder? Open the top of the flat bed scanner and look to the left you will see a small piece of glass that is used for the ADF and then you will see a large piece of glass that is used for the flat bed scanner. Clean the small piece of glass used for the ADF and let it dry before trying to use the copier again. Test the copier and see if the gray line is still there. if you are using the flatbed portion of the scanner, clean the larger glass on the scanner and as before let it dry before trying to use the copier again and then test the copier.

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1 Answer

Sends blank fax


Dirty scan glass

Clean slit of glass extremly well, it is a small slit rectangler section of glass before copy glass on the scanner.

Glue, Liquid paper are common finds on the glass in this area, While you have the lid up, clean white reference area (on lid directly on top of scan glass when lid is closed)

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1 Answer

HP 7410 streaks on scanning and copying


First you need to determine if it's doing from both the  top and the glass.

1-assuming you are using the feeder to fax,copy or scan (the part that automatically picks up the paper) it comes out with a streak. Make a copy putting the paper on the glass and look at the copy. Does it have the streak?

2-lift the top and look to the left there should be a small 1inch glass, this is where it makes the copies from the feeder, is there a dot or white out or is the glass dirty? that's your streak, the paper is moving to make the copy,so the dot now looks like a line as opposed to making a copy on the glass it just sits there so a dot will stay a dot.

2- Clean with water or alcohol.

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