[Misc] Black copy

[nizam]

Hello,every body, I have a canon ir 8500, The copy is full black, no image printing, Only photocopy. The print is good.

[ikon01]

Re: Black copy

don't like to ask a silly question but is your copy lamp coming on?

[teckat]

Re: Black copy

Hello,every body, I have a canon ir 8500, The copy is full black, no image printing, Only photocopy. The print is good.

CCD Assembly check

[nizam]

Re: Black copy

ikon 1 & teckat, The scanning lamp goes on. I have Replaced SCANNING LAMP,CCD, laser unit, lamp PCB, D.C controller PCB, lamp cable, M.S.B unit.

The print out has no problem. Only for copy & mail box

[teckat]

Re: Black copy

ikon 1 & teckat, The scanning lamp goes on. I have Replaced SCANNING LAMP,CCD, laser unit, lamp PCB, D.C controller PCB, lamp cable, M.S.B unit.

The print out has no problem. Only for copy & mail box

we already know prints are ok-
have u actually watched the scanning of the glass copies with the cover up ????

u need to check the connections for the CCD unit

check-Mirror Case Flexible Cable
check-Light Adjustment PCB

[nizam]

Re: Black copy

we already know prints are ok-
have u actually watched the scanning of the glass copies with the cover up ????

u need to check the connections for the CCD unit

check-Mirror Case Flexible Cable
check-Light Adjustment PCB

Replaced the light Adjustment PCB and i check Mirror

[Arcking1968]

Re: Black copy

You've try almost everything, are you sure the parts you've test are all good? Did you test it one by one?and regarding black copy there is a totally black copy, and black copy with an image. Try to check if your mirror is reflecting the light at the middle of the lens.

[nizam]

Re: Black copy

Replaced the light Adjustment PCB[IMG][/IMG] and i check Mirror

All parts are good. Yes i testing one by one.Totally black copy no image.

[nizam]

Re: Black copy

Black copy no image

[teckat]

Re: Black copy

Black copy on image

process of elimination

if your network prints are good /
and your copies from the glass & df have solid black over the image = OPTICS ISSUE

you see the text or image from copying under black ??
post that picture> adjust the image control to light>make a copy>post the pic here

[nizam]

Re: Black copy

process of elimination

if your network prints are good /
and your copies from the glass & df have solid black over the image = OPTICS ISSUE

you see the text or image from copying under black ??
post that picture> adjust the image control to light>make a copy>post the pic here

Sir text or image not under the black.

[nizam]

Re: Black copy

Thanks to all. The problem is solved

[zoraldinho]

Re: Black copy

Thanks to all. The problem is solved

How????

[nizam]

Re: Black copy

IP board connector to CCD

[teckat]

Re: Black copy

IP board connector to CCD

CCD=OPTICS
(a trace back) KOOL !!

Good Find

Troubleshooting an issue is a matter of noted written procedures & process of elimination-
it gives u a starting,middle & end point of attack=that prevents in most cases the replacing of unnecessary parts,time wasted & frustrated efforts,