[Misc] Magenta background

[Reeves]

I have a dc252 when I print in colour or photocopy its producing a magenta background but if I photocopy or print in black and white copies are Okey I changed DV and drum still producing magenta background what could be the problem

[xrxdheeraj]

Re: Magenta background

I have a dc252 when I print in colour or photocopy its producing a magenta background but if I photocopy or print in black and white copies are Okey I changed DV and drum still producing magenta background what could be the problem

Pls upload 2-3 images

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[Phil B.]

Re: Magenta background

I have a dc252 when I print in colour or photocopy its producing a magenta background but if I photocopy or print in black and white copies are Okey I changed DV and drum still producing magenta background what could be the problem

did you follow the SM procedure after changing the DV?

did you clean the machine b4 replacement?

did you just replace DV powder?

or whole unit?

is there black print visible thru the magenta?

please upload PDF's of the problem.

[Reeves]

Re: Magenta background

Pls upload 2-3 images

Sent from my Redmi Note 6 Pro using Tapatalk

thanks have uploaded the images

[Reeves]

Re: Magenta background

did you follow the SM procedure after changing the DV?

did you clean the machine b4 replacement?

did you just replace DV powder?

or whole unit?

is there black print visible thru the magenta?

please upload PDF's of the problem.

The machine was working just fine it just started producing magenta background i suspected the DV so i got a working dv from another machine the problem is still there but the some dv worked just okey in the other machine DV powder i replaced 5 months ago

[xrxdheeraj]

Re: Magenta background

The machine was working just fine it just started producing magenta background i suspected the DV so i got a working dv from another machine the problem is still there but the some dv worked just okey in the other machine DV powder i replaced 5 months ago

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 reseating laser cable and laser unit

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[Reeves]

Re: Magenta background

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 reseating laser cable and laser unit

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Thanks for the reply i have tried to swap drums still the problem is still there but black and white coping and printing its okey buy coping and printing in color the magenta background is there

[Reeves]

Re: Magenta background

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 reseating laser cable and laser unit

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hi i have tried to reseat laser cables and laser unit for magenta and yellow problem still there

[SeniorTch]

Re: Magenta background

seems to be a voltage problem. a charge roller voltage or a Dev housing Bias.

105E17680

Charge (Y, M, C) HVPS or 604K29270 Developer Bias (Y, M, C) HVPS

[xrxdheeraj]

Re: Magenta background

I have a dc252 when I print in colour or photocopy its producing a magenta background but if I photocopy or print in black and white copies are Okey I changed DV and drum still producing magenta background what could be the problem

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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