I am getting streaks on my prints/copies on my Workcentre 7830/7835/7845/7855

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How do i replace the drum on my Workcentre 7855? >

July 28th, 2014 at 9:33 am star

Clean the Printhead Lenses

The printer is constructed with four printhead lenses. Clean all lenses as described in the following procedure.

CAUTION: Do not perform this procedure when the printer is copying or printing.

Open the Front Cover of the printer.
Turn the orange lever to the left.
Pull the Drum Cartridge Cover down until it clicks into the open position.
Each of the four printheads has its own cleaning tool. Slowly pull the printhead lens cleaner out until the three dots are visible.

NOTE: The printhead lens cleaner does not detach from the printer.
Slowly push the printhead lens cleaner back into the printhead until it stops.
Repeat steps 4 and 5 for each printhead.
Close the Drum Cartridge Cover.
Turn the orange lever to the right to return it to the locked position.
Close the Front Cover.

Posted in Multifunction Office Equipment, Service Related by Lou Cappozzoli

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brij mohan says:

December 14th, 2016 at 3:46 am star

Thank you so much for sharing this.

Ryan says:

January 5th, 2017 at 12:18 pm star

is the three dots suppose to be black? also what do i use to clean it with?

Even says:

February 16th, 2017 at 6:20 am star

What do i clean them with?

Even says:

February 16th, 2017 at 6:33 am star

https://www.youtube.com/watch?v=_2O_LkWxkpo

Lynette says:

August 1st, 2017 at 3:04 pm star

I did this process step by step but my copies are still coming out with vertical streaks :(

David says:

August 2nd, 2017 at 10:17 am star

I did this process twice and still have the yellow streaks on my copies.

Margaret Cisco says:

January 17th, 2018 at 5:15 pm star

I did push the printhead lens cleaner back into the printer until it stop about 5 times for each. It still has the cyan streaks or smudge on the copies. What do I need to check or replace? Thanks

Star says:

February 13th, 2018 at 3:42 pm star

I have done all steps a few times and my color printed sheets still have the blue streak and the top and bottom. How do I fix this?

Dylan says:

April 5th, 2018 at 3:37 pm star

If you did this and still gets streaks...
Look at the life on the drums, its very possible one of the drums is the colprit.. most likely a close to 0% one. Swapping the drums around (i.e R1 & R2, or R3 & R4.. you can switch any of them just don't do it a bunch of times) and then doing a few test prints *after it adjusts* (give it a few minutes). If the line is still there but in a different color, then you know you need to replace a drum (part number 013R00662).

It is also possible in high volume printers it's the developer (typically leaves consistent white lines where the color should be), which if so, you'll likely need a certified rep because that is not an easy fix.

Hopefully this information helps... good luck!

Bryan says:

September 5th, 2018 at 3:09 pm star

I recently replace the drums and this process solve my faded printing problem. Thanks

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