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I see your magenta developer unit is vibrating which causing 1mm jumping lines.try with another developer unit.
calibrate your machine and ccd.

A4 size paper printed in sef and lef.
Lets see below pages print is A4R...

2nd images...

Please check below photos. Print is missing for each color cmyk
Developer unit is good and laser windows are clear. What could be the reason pls help...

Any of 3 dev unit or any of drum units. It's due to voltages. One of your drum unit charging or dev unit is makings this problem due to voltages.

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Looks like from ibt belt or cleaning blade.. try changing ibt belt if you have changed ibt blade

It could be due to cyan drum / developer unit, laser Or laser cable.
You can find nvm value in tray1 Or 2 and reset all value if you doubts

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Can't help you without error code

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I'm looking for xerox dc 252 service Manual. I have dc 250 Manual but chain links are not same for both machines. I'm looking particularly for dc 252.

Can share with you edoc and service manual...

Check all consumables in supplies.
Try to send ps/pcl test page from cws see it's working or not.
Also check for machine itself printing photocopy or not

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Check for the drum unit if toner in building on drum surface. If yes any of your drum unit could be faulty. Try swapping magenta DV unit with other yellow/cyan and see if same problem.
Try...

Pls upload 2-3 images

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Problem was due to black drum.
Solved and thanks to all

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Have you tried changing complete drum unit or just replaced drum?

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Machine itself Printing this dark background when I print test pattern.
I am sure it's nothing to do with fiery.
I doubt is any consumables

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Anybody any help please

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I'm printing in xerox dc 252 on 300 gsm problem is dark background of all color mix is present in all prints.
More on 300 gsm less on plain/heavyweight1.
Did anyone faced this problem ever.
Any...

Thanks for your advise

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If you can let me know which network scheme I am missing.
I don't think I need to login as admin for web application

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I have dc 252 with built in controller. The problem is when I tap on web application the whole screen become white for a minute and give error cannot connect to server.
Fiery is good and working on...

I told you already.

from above images i doubt CK ross or black developer unit. try changing ross

Dear All,

i have a xerox 7775 machine and it showing waster toner container error
either it is not places correctly or full.
also it is showing paper jam in bottom left door and area 2a and...