Question about Canon NP 7130 Black and White Copier

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There is a black line down the middle of the page after printed. I have replace the cartridge and it still does it.

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  • 71 Answers

Is the line from making a copy or are you printing ? Since you changed the cartridge then the line may be from the fusing roller.

Posted on Dec 31, 2010

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Posted on Jan 02, 2017

Cogz
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SOURCE: Black Lines

Do the black lines only show up when useing the adf???? Or do they show up on both the adf and the copyboard glass??? If it is only when using the adf...... The fix is easy.... you have to clean the smaller piece of glass that is to the left of the copyboard glass with windex or rubbing alchola. If it is with both you may need a new drum and blade or a new ufr... Good Luck

Posted on May 21, 2008

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1 Answer

We have a thin down the middle of the page


2 words. Toner Cartridge.
90% of all print quality issues on laser based printers such as this are caused by a defect in the toner cartridge. Swap the cartridge and fix this problem. If you dont have a spare try removing the toner cartridge and looking at the drum cylinder in the cartridge. If you see any kind of similar black line on the drum you will have proof that it is the cartridge. The ONLY other possible cause would be the fuser unit. But my money is on the toner cartridge.
Good Luck and Thank You for using Fixya.

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1 Answer

A black line is printed down the middle of pafe


The problem may be from either from the toner cartridge or the settings of the printer. change the toner first and see whether he problem still persist and also make sure that the settings of the printer on your system is ok, if the problem still persist after doing all this then it implies that you need to service your printer.

Sep 25, 2009 | HP Office Equipment & Supplies

1 Answer

Printing black line down middle of page when coping


The fuser is located in the back of the printer. I think it's held in by to screws. It's about hte same size as the toner cartridge. Please visit these websites.

This is the fuser kit.
http://store.printerprinciple.com/products/rm1-3044

The service repair manual.
http://www.scribd.com/doc/15253671/HP-Laserjet-3055-Repair-Manual

Fuser Replacement is on page 170.

Aug 08, 2009 | HP LaserJet 3050 All-In-One Printer

1 Answer

Printing black line when coping


You may need to replace the toner cartridge or the fuser assembly.

If you open the toner cartridge door and see a black line on the roller, you will need to replace the cartridge.

Aug 07, 2009 | HP LaserJet 3050 All-In-One Printer

1 Answer

Color lines/dashes at top and middle of page when printing.


Amand321,

Your problem lies with the fact that you manually refilled your cartridges. This is not recommended by any technician I know and your solution is in the replacement of all your cartridges with genuine brother consumables. It is going to be expencive, but it is the only real solution.

Gremlin11

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Change the toner cartridge, refilling will not solve the problem.

May 29, 2008 | HP LaserJet 4000tn Printer

2 Answers

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Same problem. Definitely NOT a leaking cartridge or head. (Replaced both with known good set)

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1 Answer

Prints a strip of black down middle of page


You need to open the small lid on each toner cartridge (to reveal the drum cylinder) and check if the line mark appears on any of them. If the case, you have some sort of contamination making a permanent mark on the affected cartridge. It can be a piece of paper, dirt, or loose part. If the toners are clean, your problem might be routed to the LSU (laser scanner unit) for which you need an Authorized Service Center to assist you.

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