Just trying to understand this as I have a new cartridge which I can
install if necessary.
When I print I intermittently get faded black marks on the page, they
are regular markings so obviously coming from one of the rollers, if I
do nothing the page sometimes comes out clean for a 30 page run then I
get some ghosting and it eventually reverts back to a clean page.
I have dismantled the cartridge a couple of times, emptied what I think
is a collector compartment for excess toner and cleaned all the rollers.
It then prints ok for a number of pages and then goes back to ghosting
(intermittently) If I do a run of printing its either all pages clean or
all pages with ghosting. The ghosting is on one side only about 3cms wide.
I have never had this before with a toner cartridge so hoping someone
can identify what the issue is.

I am just curious as I will replace the cart if the problem becomes
excessive. I am on approx 3500 pages with this cart and refilled once, I
normally get around 5000 before it stops working due to the chip.

ss wrote:
Just trying to understand this as I have a new cartridge which I can
install if necessary.
When I print I intermittently get faded black marks on the page, they
are regular markings so obviously coming from one of the rollers, if I
do nothing the page sometimes comes out clean for a 30 page run then I
get some ghosting and it eventually reverts back to a clean page.
I have dismantled the cartridge a couple of times, emptied what I think
is a collector compartment for excess toner and cleaned all the rollers.
It then prints ok for a number of pages and then goes back to ghosting
(intermittently) If I do a run of printing its either all pages clean or
all pages with ghosting. The ghosting is on one side only about 3cms wide.
I have never had this before with a toner cartridge so hoping someone
can identify what the issue is.

I am just curious as I will replace the cart if the problem becomes
excessive. I am on approx 3500 pages with this cart and refilled once, I
normally get around 5000 before it stops working due to the chip.

Corona wire ?

If you tell us the model number, there might be a nice
manual with a picture of what to clean.

I only had to clean corona wire a couple times at work,
so as a maintenance item, it doesn't come up all that often.
(I'm the guy that pulls all the crumpled paper
out of the printer, when nobody else could be bothered.)

Paul

On 05/05/2021 03:31, Paul wrote:
ss wrote:
Just trying to understand this as I have a new cartridge which I can
install if necessary.
When I print I intermittently get faded black marks on the page, they
are regular markings so obviously coming from one of the rollers, if I
do nothing the page sometimes comes out clean for a 30 page run then I
get some ghosting and it eventually reverts back to a clean page.
I have dismantled the cartridge a couple of times, emptied what I
think is a collector compartment for excess toner and cleaned all the
rollers.
It then prints ok for a number of pages and then goes back to ghosting
(intermittently) If I do a run of printing its either all pages clean
or all pages with ghosting. The ghosting is on one side only about
3cms wide.
I have never had this before with a toner cartridge so hoping someone
can identify what the issue is.

I am just curious as I will replace the cart if the problem becomes
excessive. I am on approx 3500 pages with this cart and refilled once,
I normally get around 5000 before it stops working due to the chip.

Corona wire ?

If you tell us the model number, there might be a nice
manual with a picture of what to clean.

I only had to clean corona wire a couple times at work,
so as a maintenance item, it doesn't come up all that often.
(I'm the guy that pulls all the crumpled paper
out of the printer, when nobody else could be bothered.)

Â*Â* Paul
Samsung ML-2240 laser printer.
I have measured the ghosting image and it repeats every 38.2 mm which
would be approx a roller of 12.16 diameter, all of which I have
previously cleaned.

ss wrote:
On 05/05/2021 03:31, Paul wrote:
ss wrote:
Just trying to understand this as I have a new cartridge which I can
install if necessary.
When I print I intermittently get faded black marks on the page, they
are regular markings so obviously coming from one of the rollers, if
I do nothing the page sometimes comes out clean for a 30 page run
then I get some ghosting and it eventually reverts back to a clean page.
I have dismantled the cartridge a couple of times, emptied what I
think is a collector compartment for excess toner and cleaned all the
rollers.
It then prints ok for a number of pages and then goes back to
ghosting (intermittently) If I do a run of printing its either all
pages clean or all pages with ghosting. The ghosting is on one side
only about 3cms wide.
I have never had this before with a toner cartridge so hoping someone
can identify what the issue is.

I am just curious as I will replace the cart if the problem becomes
excessive. I am on approx 3500 pages with this cart and refilled
once, I normally get around 5000 before it stops working due to the
chip.

Corona wire ?

If you tell us the model number, there might be a nice
manual with a picture of what to clean.

I only had to clean corona wire a couple times at work,
so as a maintenance item, it doesn't come up all that often.
(I'm the guy that pulls all the crumpled paper
out of the printer, when nobody else could be bothered.)

Paul
Samsung ML-2240 laser printer.
I have measured the ghosting image and it repeats every 38.2 mm which
would be approx a roller of 12.16 diameter, all of which I have
previously cleaned.

They mention the fuser unit and the transfer roller as
maintenance items, but there's no diagram showing
how to change out the transfer roller. It is referred
to as a "black roller", so maybe it has a rubber sleeve
on it ? There is no mention of a corona wire.

http://h10032.www1.hp.com/ctg/Manual/c05753018.pdf

And the Troubleshooting chapter doesn't mention ghosting.
They claim there is dirt on the paper path if "white spots
appear on the print", presumably with a stimulus of an
all-black page. Maybe the white spots are caused by paper
fibers.

But generally speaking, the design doesn't have a lot of
troubles, so no suggestions. If it was the transfer
roller, you're supposed to be able to buy a new one.

Paul

On 05/05/2021 09:35, ss wrote:
On 05/05/2021 03:31, Paul wrote:
ss wrote:
Just trying to understand this as I have a new cartridge which I can
install if necessary.
When I print I intermittently get faded black marks on the page, they
are regular markings so obviously coming from one of the rollers, if
I do nothing the page sometimes comes out clean for a 30 page run
then I get some ghosting and it eventually reverts back to a clean page.
I have dismantled the cartridge a couple of times, emptied what I
think is a collector compartment for excess toner and cleaned all the
rollers.
It then prints ok for a number of pages and then goes back to
ghosting (intermittently) If I do a run of printing its either all
pages clean or all pages with ghosting. The ghosting is on one side
only about 3cms wide.
I have never had this before with a toner cartridge so hoping someone
can identify what the issue is.

I am just curious as I will replace the cart if the problem becomes
excessive. I am on approx 3500 pages with this cart and refilled
once, I normally get around 5000 before it stops working due to the
chip.

Corona wire ?

If you tell us the model number, there might be a nice
manual with a picture of what to clean.

I only had to clean corona wire a couple times at work,
so as a maintenance item, it doesn't come up all that often.
(I'm the guy that pulls all the crumpled paper
out of the printer, when nobody else could be bothered.)

Â*Â*Â* Paul
Samsung ML-2240 laser printer.
I have measured the ghosting image and it repeats every 38.2 mm which
would be approx a roller of 12.16 diameter, all of which I have
previously cleaned.

I cured a similar problem in my color laser by replacing the whole (3rd
party)(cyan) toner assembly and drum.

I think you need a new drum. Sometimes these rebuilt cheapos are not up
to snuff.

you can get a new rebuilt cheapo for less than £20 on amazon/ebay/etc

https://www.stinkyinkshop.co.uk/prod...idge-vt-d1082s

--
In theory, there is no difference between theory and practice.
In practice, there is.
-- Yogi Berra

On 05/05/2021 10:58, The Natural Philosopher wrote:
On 05/05/2021 09:35, ss wrote:
On 05/05/2021 03:31, Paul wrote:
ss wrote:
Just trying to understand this as I have a new cartridge which I can
install if necessary.
When I print I intermittently get faded black marks on the page,
they are regular markings so obviously coming from one of the
rollers, if I do nothing the page sometimes comes out clean for a 30
page run then I get some ghosting and it eventually reverts back to
a clean page.
I have dismantled the cartridge a couple of times, emptied what I
think is a collector compartment for excess toner and cleaned all
the rollers.
It then prints ok for a number of pages and then goes back to
ghosting (intermittently) If I do a run of printing its either all
pages clean or all pages with ghosting. The ghosting is on one side
only about 3cms wide.
I have never had this before with a toner cartridge so hoping
someone can identify what the issue is.

I am just curious as I will replace the cart if the problem becomes
excessive. I am on approx 3500 pages with this cart and refilled
once, I normally get around 5000 before it stops working due to the
chip.

Corona wire ?

If you tell us the model number, there might be a nice
manual with a picture of what to clean.

I only had to clean corona wire a couple times at work,
so as a maintenance item, it doesn't come up all that often.
(I'm the guy that pulls all the crumpled paper
out of the printer, when nobody else could be bothered.)

Â*Â*Â* Paul
Samsung ML-2240 laser printer.
I have measured the ghosting image and it repeats every 38.2 mm which
would be approx a roller of 12.16 diameter, all of which I have
previously cleaned.

I cured a similar problem in my color laser by replacing the whole (3rd
party)(cyan) toner assembly and drum.

I think you need a new drum. Sometimes these rebuilt cheapos are not up
to snuff.

you can get a new rebuilt cheapo for less than £20 on amazon/ebay/etc

https://www.stinkyinkshop.co.uk/prod...idge-vt-d1082s

It may well be a toner issue, but drums are generally a larger diameter
than 12mm and sounds like a glob of toner is getting onto a roller.

It could also be a toner issue.

I would direct a lowish pressure airline into the drum assembly to try
and dislodge any rubbish that might be affecting operation.

IME this is time for a new printer.

On 05/05/2021 00:16, ss wrote:

snip


I am just curious as I will replace the cart if the problem becomes
excessive. I am on approx 3500 pages with this cart and refilled once, I
normally get around 5000 before it stops working due to the chip.

This guy has done a lot of youtube vids on fixing Laser printers.

https://www.youtube.com/user/viandant5/videos

e.g.


How to fix ghost images (double printing) when using a printer
https://www.youtube.com/watch?v=93pkvMvk-GQ


--
Adrian C

On 05/05/2021 20:04, Adrian Caspersz wrote:
On 05/05/2021 00:16, ss wrote:

snip


I am just curious as I will replace the cart if the problem becomes
excessive. I am on approx 3500 pages with this cart and refilled once,
I normally get around 5000 before it stops working due to the chip.

This guy has done a lot of youtube vids on fixing Laser printers.

https://www.youtube.com/user/viandant5/videos

e.g.


How to fix ghost images (double printing) when using a printer
https://www.youtube.com/watch?v=93pkvMvk-GQ


I have watched a few videos on the carts, apart from aiding to
dismantling and cleaning the cart they still dont solve the issue.
Tonight I printed 16 pages and all had slight ghosting on right hand
side. Away doing some other things turn printer off, an hour or so
later I print 4 postage labels and the pages are perfect (no ghosting)
Its the inconsistency that I cant understand.

On Wed, 05 May 2021 22:26:59 +0100, ss wrote:

I have watched a few videos on the carts, apart from aiding to
dismantling and cleaning the cart they still dont solve the issue.
Tonight I printed 16 pages and all had slight ghosting on right hand
side.
Away doing some other things turn printer off, an hour or so later I
print 4 postage labels and the pages are perfect (no ghosting)
Its the inconsistency that I cant understand.

Over the years, I have operated the same reliable HP 4M+ printer.

I have had this exact effect on a number of occasions. In every case it
was caused by a faulty toner cartridge (but remember that quite a lot of
the 'works', e.g. optical drum, corona wire) are inside their cartridges.
In most cases, I think they were 'old stock' cartridges. Reputable
remanufactured ones work fine.



--
My posts are my copyright and if @diy_forums or Home Owners' Hub
wish to copy them they can pay me £1 a message.
Use the BIG mirror service in the UK: http://www.mirrorservice.org
*lightning surge protection* - a w_tom conductor

On 05/05/2021 23:09, Bob Eager wrote:
Over the years, I have operated the same reliable HP 4M+ printer.

I have had this exact effect on a number of occasions. In every case it
was caused by a faulty toner cartridge (but remember that quite a lot of
the 'works', e.g. optical drum, corona wire) are inside their cartridges.
In most cases, I think they were 'old stock' cartridges. Reputable
remanufactured ones work fine.

Thats the conclusion I am coming to as I have dismantled and cleaned the
cart twice. I suspect the issue is the the compartment that collects
excess toner possibly leaking on to a roller. The cart is a remanufactured.

On Wed, 5 May 2021 09:35:06 +0100, ss wrote:


Samsung ML-2240 laser printer.
I have measured the ghosting image and it repeats every 38.2 mm which
would be approx a roller of 12.16 diameter, all of which I have
previously cleaned.


According to the service manual, the following distances for
horizontal lines apply:
OPC Drum 75.5mm
Charge Roller 37.7mm
Supply Roller 47.5mm
Develop Roller 35.2mm
Transfer Roller 46.2mm
Hear Roller 63.9mm
Pressure Roller 75.4mm

The Charge roller is nearest to your measurement. It seems to be
inside the toner cartrdge. If the lines are only 3cm wide, perhaps
toner is dropping onto this roller. It says typical defect for this
roller is "Black spot".
--
Dave W

On 05/05/2021 23:34, ss wrote:
On 05/05/2021 23:09, Bob Eager wrote:
Over the years, I have operated the same reliable HP 4M+ printer.

I have had this exact effect on a number of occasions. In every case it
was caused by a faulty toner cartridge (but remember that quite a lot of
the 'works', e.g. optical drum, corona wire) are inside their cartridges.
In most cases, I think they were 'old stock' cartridges. Reputable
remanufactured ones work fine.

Thats the conclusion I am coming to as I have dismantled and cleaned the
cart twice.Â* I suspect the issue is the the compartment that collects
excess toner possibly leaking on to a roller.Â* The cart is a
remanufactured.

As I said, that's what I had - a faulty cartridge. got stripes..

--
"And if the blind lead the blind, both shall fall into the ditch".

Gospel of St. Mathew 15:14

Is this not what occurs if the toner starts to come out in clumps rather
than evenly? I've not looked at modern lasers but this kind of thing in the
old days were caused by all sorts of strange things, just like they used to
be on photocopiers, whiskers growing on the platinum wires, Drum problems
and uneven heating of the rollers that glues it all to the paper.
Brian

--

This newsgroup posting comes to you directly from...
The Sofa of Brian Gaff...

Blind user, so no pictures please
Note this Signature is meaningless.!
"ss" wrote in message
...
Just trying to understand this as I have a new cartridge which I can
install if necessary.
When I print I intermittently get faded black marks on the page, they are
regular markings so obviously coming from one of the rollers, if I do
nothing the page sometimes comes out clean for a 30 page run then I get
some ghosting and it eventually reverts back to a clean page.
I have dismantled the cartridge a couple of times, emptied what I think is
a collector compartment for excess toner and cleaned all the rollers.
It then prints ok for a number of pages and then goes back to ghosting
(intermittently) If I do a run of printing its either all pages clean or
all pages with ghosting. The ghosting is on one side only about 3cms wide.
I have never had this before with a toner cartridge so hoping someone can
identify what the issue is.

I am just curious as I will replace the cart if the problem becomes
excessive. I am on approx 3500 pages with this cart and refilled once, I
normally get around 5000 before it stops working due to the chip.

Yup just like on photocopiers and getting high on ozone....
Brian

--

This newsgroup posting comes to you directly from...
The Sofa of Brian Gaff...

Blind user, so no pictures please
Note this Signature is meaningless.!
"Paul" wrote in message
...
ss wrote:
Just trying to understand this as I have a new cartridge which I can
install if necessary.
When I print I intermittently get faded black marks on the page, they are
regular markings so obviously coming from one of the rollers, if I do
nothing the page sometimes comes out clean for a 30 page run then I get
some ghosting and it eventually reverts back to a clean page.
I have dismantled the cartridge a couple of times, emptied what I think
is a collector compartment for excess toner and cleaned all the rollers.
It then prints ok for a number of pages and then goes back to ghosting
(intermittently) If I do a run of printing its either all pages clean or
all pages with ghosting. The ghosting is on one side only about 3cms
wide.
I have never had this before with a toner cartridge so hoping someone can
identify what the issue is.

I am just curious as I will replace the cart if the problem becomes
excessive. I am on approx 3500 pages with this cart and refilled once, I
normally get around 5000 before it stops working due to the chip.

Corona wire ?

If you tell us the model number, there might be a nice
manual with a picture of what to clean.

I only had to clean corona wire a couple times at work,
so as a maintenance item, it doesn't come up all that often.
(I'm the guy that pulls all the crumpled paper
out of the printer, when nobody else could be bothered.)

Paul