Question about Canon NP 7130 Black and White Copier

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White line verticaly - Canon NP 7130 Black and White Copier

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Clean the primary(charge) corotron wire on top of the drum,if you can take it out.and again check the developing unit if it has enough toner and the magnetic cyclinder is tapped all round,evenly with toner.

Posted on Jan 03, 2011


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Posted on Jan 02, 2017


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I have white line verticaly on my tv just woke up like this when i mess with line i can make them change colors

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

May 24, 2015 | Samsung PS42S5H 42 in. HD-Ready Plasma...

1 Answer

Lines flickering verticaly thru screen

l would check to see on a rear input (audio/video) if this happens and if using a coax connection wiggle the cables with set on and doing this--a poor shield connection on a coax cable will do this also.

Trying the rear input will rule things out and may offer a way around the issue.

Dec 21, 2012 | Hitachi 50UX57B 50" Rear Projection...

1 Answer

Battery operated mouse is not moving horizontal or verticaly

Try putting a piece of white paper under the mouse. Glass is often a problem as is the colour black for the mouse's sensor to see.

Mar 05, 2011 | Dell Wireless Keyboard Optical Mouse w0147

2 Answers

Tv takes up to four minutes to turn on and when it does it has distorted red lines running verticaly across the screen

is there retrace line with red colour then off agian.if yes there is red gun problem which is shorted with have to do give another way heater ac voltages or replace picture tube.

Oct 16, 2010 | Samsung Televison & Video

1 Answer

Taking pitures with lines in betwen verticaly

Vertical lines in picture is problem of electronic shutter that is part of lens assembly.
Lens assembly will be replaced to correct this problem. It is hardware issue.

Dec 26, 2009 | Sony Cyber-shot DSC-W70 Digital Camera

1 Answer

I have a Mitsubishi big screen,at first it plays good but then,the colors blue verticaly go's out of line

go in touch with mitsubishi costumer care and help.....u possible finf this in ur user instruction booklet

Mar 07, 2009 | Hitachi 55HDM71 55 in. HD-Ready Plasma...

1 Answer

White thin line verticaly middle of lap top screen

Sounds like the monitor. Do you have another monitor to hook up to the laptop? If so, that will tell you precisely if it's the monitor or video card.

Dec 21, 2008 | LG Flatron L1750S 17" LCD Monitor

1 Answer

Lines running verticaly through the screen.

LCD cracked - can't be repaired - replacement only - sorry
You can try any software fix that your manufacturer might suggest, but i have never seen a single case where it has worked

May 29, 2008 | Audio Players & Recorders

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