Question about Sharp AL 1631 Copier

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Line on copy

When copying items thru the top document feeder...the copies come out with a dark line thru them off center.
When copying on the flatbed this does not happen.

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  • dschmitz Jul 01, 2008

    Amazing!!!! We figured it had something to do with a piece of maybe Whiteout or dirt but we never thought to look there!!!! Thank-you so much!

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  • Sharp Master
  • 2,794 Answers

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.

Posted on Jun 30, 2008

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1 Answer

Horizontal line on printed page


When you use the flatbed the copy is perfect because the ccd sensor is under the glass cover and obviously is free form dust/ dirt.
On the other hand if you use the feeder the ccd sensor is located in between the roller assembly (not sure exactly for this model).
This means that the page is scanned by the ccd in the feeder, any dirt on the ccd will appear as a black line. I assume that you are feeding papers from the side and not from the top that is why you get a horizontal line.

A quick test to see if the ccd sensor is dirty is to feed the paper from the top side to the feeder. If you get a vertical line it is a proof that your ccd sensor needs to be cleaned.
The worst case is that the sensor in the feeder assembly has a tiny spot that is damaged and it is causing the black line.
So , first try the test, then open the feeder assembly, locate the ccd and clean it. Hope that this helps.

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1 Answer

Copier leaves a black line when printing through the top paper feeder. Ok coping from the flatbed


When copying from the feeder the page is fed across a fixed point at the head of the flatbed. Any dirt etc on the glass at this point can present as a dark line running vertically down the printed page. When copying from the flatbed, the scan head is moved down the page so any dirt on the glass will only appear as specs. Try cleaning the glass, especially at the head of the flatbed where the feeder is loading the page to be copied.

Jan 12, 2014 | Printers & Copiers

1 Answer

I have a Epson cx11 and get a black vertical line down the middle of scans and copies


Check your flat bed and Document feeder scanning glass need to be clean, if any dot or dust in scanning glass of document feeder it will appear a line, check this points first
1- Check printouts from computer or FAX if it is clean problem in scanning section
2- Check using Copying a blank paper using only Flatbed if it prints without any line its problem from document feeder Scanning glass
So solution is clean the Document feeder scanning glass using wet cloth, note careful about wet cloth switch off the machine and clean it

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1 Answer

My HP Pro 7780 has recently started making copies (through the feeder) with 2 large blank streaks down the middle of the page (lengthwise). I am worried that this is also happening when I send a fax as...


Does this happen when you print, or only when you copy? If you print out a configuration or user settings page, or print a page from the computer, is it also missing two vertical lines of print or is it only when you are copying?

If it happens when you print, you may need a cleaning, or you may need to replace the toner or drum cartridge. If it's an inkjet machine, there's a possibility there is some ink or grease on the encoder strip (a small belt-like plastic strip that goes through the print-head carriage).

If it only happens when you copy, test both the flatbed and the document feeder. If it happens on both then you may have a bad scanner. If it only happens when using the document feeder, you likely have some whiteout (or something) on the glass. When you make a copy in the flatbed, the scanner moves across your document. When you make a copy using the document feeder, the document moves across the scanner. In this case, if there is anything on the scanner glass (like whiteout) your copies will be missing a vertical line of print data (it could be white if there is whiteout on the glass, or it could be dark if something dark is on the scanner glass).

Usually you can lift the flatbed cover and look at the glass to see if anything is on it (usually at the left side of the scanner). Clean the glass, first with alcohol to remove the obstruction, and then with a little windex to remove anything the alcohol may have left behind.

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1 Answer

Copy of documents misaligned vertically on Canon Imagerunner 3045


Hello sir; When you feed originals in portrait, the paper tray have to set by portrait direction too.

Mar 30, 2009 | Canon Printers & Copiers

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

L7680 all in one W/big & wide dark vertical line


Open the document feeder and clean the scanner glass.

Feb 16, 2009 | HP OfficeJet 7310 All-In-One InkJet...

2 Answers

SOLID VERTICAL LINE ON AUTO FEEDER COPIES


Hi Sally,

Open the flatbed lid and look on the left side, I believe there is the flatbed glass and another piece of glass to the left, the small strip of glass is the one used for the automatic document feeder. this piece af glass needs to be clean or you will get a line from top to bottom from any type of speck on the glass. hope this helps... if so please mark as FIXYA!!

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1 Answer

Dell All in One Printer 962-dark vertical line on photo copies


If you are running your copies through the document feeder then see if the line goes away if you make a copy directly from the glass. If the line goes away then open up the doc feeder assy. by hinging it to the left. Underneath you will find that there is a thin strip of glass that the document passes over when it is scanned. Clean this strip of glass and this should correct your problem. If there is a smudge of dirt or small line, it will come out as a solid verticle line when scanned.

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4 Answers

Print Problem - vertical lines


If the problem only occurs when using the document feeder, the problem is not usually caused by the drum. When using the document feeder, try to notice where the scanner (the light assembly under your scan glass)stops just before the paper is being fed. Some multifunction machines have a small piece of glass that is separate from the large scan glass and the scanner assembly stays parked underneith it as the original is being fed over it. Most likely there is something on the glass where the scanner parks as originals are being fed thru the feeder. When putting your original on the large scan glass to copy, the mark on the glass will only show as a spot, but will show as a vertical line thru the whole copy when using the feeder.

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