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Dark lines on only document feeder copies, Sharp AL 1631copier

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If you have the ADF installed then you should have 2 document glass, the ADF uses the small one to scan the original, if this glass is dirty even a small dot will become a long line on the copy result. Clean this glass.

Posted on May 13, 2009

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Vertical lines on copied page


Run a copy on the glass if there are no lines then something is on the scan glass of the document feeder. Use some window cleaner and scrub the document feeder glass and test. Sometimes white out or ink will stick to the glass and the scanner reads the dot as a line.

Sep 08, 2010 | Sharp AL-1642CS Copier

1 Answer

Dear Sharp Al-2030 Experts: Paper Copies made from the cover-mounted auto-feed system are produced with a full copy-length thin double line separated by an approximately 1 13/16" wide distance. It is...


There is something on your scan glass. If you get lines through the document feeder but not on copies made off the glass then it is a dirty scan glass. There is a thin glass strip where the document feeder feeds the original. Usually something like white out that did not dry smears off an original and ends up on this thin strip of glass. Scratch it off with your finger nail and use some glass cleaner to resolve the problem. The scan glass is about 1/2 an inch to an inch wide and will be on the same side of the machine that the copier feeds the originals in on. Once the glass is clean your problem is solved!

May 20, 2010 | Printers & Copiers

1 Answer

My Sharp Al-1642cs is leaving a black stripe on the paper when coping.


Does the line appear when you copy from the glass? Or is it Just the document feeder. If it is just throught the doc feeder then you have to clean the **** glass next to the main glass. It only takes a small dot to make a line. Hope this helps. Have a nice day.

Apr 29, 2009 | Sharp AL-1642CS Copier

1 Answer

Sharp al-1631 lines on copy only when original goes through docum


Clean the narrow document scanner glass to the right of the main copy glass.

Mar 11, 2009 | Sharp AL 1631 Copier

1 Answer

Dark streaks/lines (3) down center of copies


I don't know what model you're using, which would be very helpful, however, if you lift the Document feeder section where the originals are fed, there should be a narrow piece of glass, which is only used when the Document feeder is used. This must be completely clean -1 spec creates a solid line.

Mar 11, 2009 | Sharp Printers & Copiers

1 Answer

Sharp Copier AL-1631. Copies with a black line (which moves positions on the page each time). Checked the manual and cleaned the part that it told me to. That did nothing to fix the problem.


If it only happens when using the document feeder (if fitted), then the small glass on the right hand side needs a clean ( normally tippex), if it occurs when copying from the glass and doc feed then your charge corna needs cleaning

Dec 01, 2008 | Sharp AL 1631 Copier

1 Answer

Dark edges


It depends... never use a Reman cart in these machines... only use sharp...especially if the machine is under warranty.

Does this happen when,
Using the Doc Feeder
When making copies from the Glass
Or when you print from a computer (assuming you print from a PC)

If you print something and this happens then it is inside the machine
Probably toner or developer dumping...

Take a few pieces of large white paper and cover the entire glass surface... make a copy is the line there? If so see the answer above... if not then close the top and make a copy with no paper on the glass... is that black line there.. If so then your top needs adjustment...

One more test
If you make a copy using the doc feeder, this black line only occurs when making copies with the doc feed, clean the **** glass, and try again...

Oct 25, 2008 | Sharp AL 1215 Black and White Copier

1 Answer

Line on copy


You have a small dot on your scanner glass. Lift the lid and check the thin piece of glass on the right side of the machine. The smallest piece on the glass will cause that. Clean if with some windex and a cloth and the problem will go away.

Jun 30, 2008 | Sharp AL 1631 Copier

2 Answers

Sharp AL-1340


Try this: make a copy from the table and then one from the document feeder. compare the two. If the copy from the table looks good and the document feeder one is bad then clean the glass on the document feeder. If both are bad remove the top glass and clean the mirrors using rubbing alcohol and a lint free cloth. you can also clean the wheels on the feeder and in the tray with rubbing alcohol if you ever have feeding problems
Hope this helps

Apr 12, 2008 | Sharp AL-1641CS Laser Digital Copier

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