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Solid black copies with no image at all.the drum has toner all around it black in appearance.scanning lamp turns on.what could be the cause

Oriental

Posted by Oriental S on

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Tesfay

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1. The Drum Has Toner All Around It Black In Appearance:

This is usually caused by a dirty or damaged drum. To clean the drum, simply wipe it down with a damp cloth. If the drum is damaged, you will need to replace it.

2. Scanning Lamp Turns On:

This is normal and indicates that the printer is ready to scan. 3. What Could Be The Cause?: There could be several causes for this, such as a dirty or damaged drum, a paper jam, or a problem with the fuser. To troubleshoot, simply check each of these things and see if the problem persists.
I hope this helps!

Posted on Nov 22, 2022

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Black copy problem

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Phenomenon: A full page solid image may appear on the print-out or error code C3200 (Exposure lamp
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Xerox printing all black pages

You have no light output. The system places a charge, the image will remove charge (without image processing, the system leaves full charge ) (removes charge where no image is if negative processing)
EX: a copier has platen closed makes a copy because the cover has a white surface the light is reflected and removes charge from Drum. If you make a copy with platen open out put will appear black. Charge was not erased, toner is attracted to charged area.
Most systems use a small wire to place charge, depending on what development (pos or neg) with broken wire will also result in either a black or blank output. I would look for a broken charge wire.
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Check exposer lamp to see if it comes on first. try printing counter report if same problem. Then could be drum unit or not getting a charge to roller on drum. then board could be bad.
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Have a light stripe down center of copy, even after installing new toner cartridge? No Error message.

The most common problems are scratches or lines around the drum. These lines will transfer to the image. If the complaint is a solid or partial line on the image, inspect the drum for a matching set of lines. Replace the toner cartridge if the drum appears damaged or if you suspect the drum to be the cause of the image problem. If you replace the toner cartridge and the lines remain, then there's a good chance that the problem is with the drum.
The other part of the image subsystem which could cause this is the fuser. Scratches or damaged areas of the fuser can result in missing or smudged areas on the printout. Remove the fuser, and examine it closely for damage or deterioration. You can contact your printer manufacturer for a replacement fuser if necessary.

I hope this helps and thanks for using Fixya!
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Why are my copies coming out solid black, even though my exposure lamp is still working?

A couple of possibilities. Basically if your exposure lamp is coming on, the light is not getting all the way to the drum that is in the toner cartridge. It could be you have a mirror out of place. When the exposure lamp comes on, the light is reflected off the original and then off a series of mirrors until it gets to the drum. If one of the mirrirs has been knocked out of place, like due to a recent cleaning then that would cause black copies. The more common cause would be the drum protection "gate" that is on top of the toner cartridge is closed and thus blocking any light from getting to the drum. You can slide out the toner cartridge and look on top. There is a gate or panel that flips open to be able to see the drum. This gate must be opened when installing the toner. Also it is possible to have a bad cartridge but that rarely causes completely black copies.
Good Luck and Thank You for using Fixya.
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Sent Image is solid black. Copies are also solid black. Does this represent a toner problem or is it an electrical/mechanical problem?

hi your cartridge is not installed properly, when the drum is not charging correctly with the specific voltage the image come black, remove the cartridge and reinstall it correctly it resolve the problem
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My copier machine is printing out black lines.

Hi, does stripes appears only on copies or also on printed images?

If only on copies that means that you have to clean the copy glass.

If on both, its probably drum unit that causes the problem. Usually the stripes are slim, and verry close to each other, like a sharp brush paint job.

How many copies do you have with these drum? check it on 123 button.

If the copie is on one side totally black and the toner isnt fixed on paper that means that you have to replace fixing film.

For service manual write me on [email protected]

Hope that helped!
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Normally a blank copy is caused by the image not being transfered from the drum to the copy paper. Which indicates a problem with the transfer step of the process, check for a bad transfer roller or a bad transfer belt. If this is not very obvious, run a copy and try to turn the machine off or open the front cover during the copy process when the copy paper is about half way under the drum and check for a toner image on the drum. If there is no toner image on the drum you may have a developer problem, broken drive gears etc. But if there is a toner image on the drum but no image on the paper then it is a transfer issue.
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Check the dum cleaning blade. Usually the blade becomes weak and does not clean the drum properly. You can either replace just the drum blade or replace the entire drum cartridge.
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Ghosting can :
1-prints on the fuser roller, check if yes try cleaning it off, wait until it cools off

2-blanking lamps dirty or not working,(deletes image off the drum, before it gets ready to accept a new one)

BL mirror-(new image)
\ /
()
drum

3-Bad drum (although I doubt it this far in the process.)
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