Question about Canon imageRUNNER 400S Copier

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How dum unit works ? There is black lines appear on copy

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If the black line is in the direction of paper travelling, change the dc blade or check heater roller .if the line is vertical there may be problem either with drum or primary charging roller. replace the drum first if problem do not disappear replace primary charging roller above the drum.

Posted on Jan 04, 2011

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Posted on Jan 02, 2017

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1 Answer

Leaves black marks on copies


It could be leaking toner from the recovery area that sis on top of the dum, it removes any toner that was not transfered to the paper. You would have to remove it and empty out the toner.

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Problem with brother mfc 7340 copier: when i copy, two parallel lines appear on copy. thanks for your answer


1. To test, print the Help List:a. Press the REPORTS key located on the control panel.b. Press the up or down arrow key until Help list appears on the display(#2).c. Press Ok. The report should begin printing.Black lines that appear on faxes you send, images you scan into the computer and copies you make are typically caused by dirt or white out on the scanner unit. The scanner unit is the mechanism that reads in the documents that are being copied or transmitted.

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Black line appears on scanned document


Hi there! When does the black line appears?When you are using the ADF module or when you are using the normal copy glass under the top cover?If the lien is appearing when you are using the ADF open the top cover and clear the little glass from any dust.if the line appears when you are using the normal glass the your scanner unit need cleaning or replacing , for which you are going to need a service help! Please replay if you have any other questions!

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2 Answers

My copier machine is printing out black lines.


Hi, does stripes appears only on copies or also on printed images?

If only on copies that means that you have to clean the copy glass.

If on both, its probably drum unit that causes the problem. Usually the stripes are slim, and verry close to each other, like a sharp brush paint job.

How many copies do you have with these drum? check it on 123 button.

If the copie is on one side totally black and the toner isnt fixed on paper that means that you have to replace fixing film.

For service manual write me on emma.servis@gmail.com.

Hope that helped!

Jul 30, 2010 | Canon imageRUNNER 2270 Copier

1 Answer

When trying to make copies from the Cannon Imagerunner 3230 machine, we keep getting a black line on top of the copies. I tried cleaning the inside but it still appears. What could that be?


Drum Unit, Make sure the scan glass and platen glass is clean. Run copies from glass and document feeder to see if line appears on one or both. Both Drum unit or fusing Film. Will need a copier tech to remove parts for inspection.

Jun 09, 2010 | Canon imageRUNNER 3230 Black and White...

1 Answer

Grey/black shawdow like lines running through middle portion of page all the way down; looks like a roller ran across the middle of the page


just clean d optics and lens of d scanner unit if not repaired then open d dum unit and clean d paper dust

Feb 13, 2010 | Ricoh FT3713 Copier

1 Answer

Aficio MP1600 - Black Lines are appearing on all copies. One line appears on the ADF copy but muliple lines if using the scanner. I have tried to clean with a damp cloth everything possible, no good..What...


Try to print from the machine, such as function list or counter list. If no lines, then confirm the ADF scanning mirror dirty. If got lines, the probably came from fuser unit or drum unit.

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1 Answer

Hp laserjet 3050 - black line down the center of copies, everything elese works


If the lines only appear on copies from the auto feeder and printing is clean, then lift the auto feeder section and clean the scanner glass underneath.
If printing and copying have similar 'streaky' results you probably have a bad toner cartridge - try a replacement. If that doesn't work you have a fuser problem - which is quite a costly repair based on the replacement cost of your unit

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1 Answer

Sharp Z-70 copier - print outs are mostly black?


Check the dum cleaning blade. Usually the blade becomes weak and does not clean the drum properly. You can either replace just the drum blade or replace the entire drum cartridge.
If the copies are coming out solid black, then either the exposure lamp or the thermal fuse for the exposure lamp is/are burned out.
-Gary

Nov 19, 2008 | Office Equipment & Supplies

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