Brother DR-3200 Bruksanvisning
Brother
Skrivartrumma
DR-3200
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BROTHER® HL-5300 SERIES •TN650
TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS
BROTHER®TN650 TONER CARTRIDGE
© 2010 UniNet Imaging Inc. All trademark names and artwork are property of their respective owners. Product brand names mentioned are intended to show compatibility only.
UniNet Imaging does not warrant downloaded information. Unauthorized sale, reproduction or distribution of this article is prohibited. For additional support, please contact techsupport@uninetimaging.com
www.uninetimaging.com
Released in April 2009, the Brother HL-5300 series printer is based on a new 32ppm, true 1200 DPI laser engine.
These machines have a first page out in less than 8.5 seconds and come standard with 16 or 32Mb of memory, depending on
the machine. The HL-5300 series also have built-in duplexing. Our HL-5370 machine came with a TN620 cartridge, which is rated
for 3,000 pages.
The first section of this article covers the theory behind these cartridges. The first three paragraphs have some interesting
information on the reset gears and how they work. The rest is standard Brother theory. If you are not familiar with Brother
cartridges, it would be best to read through this entire section. It may save you a few very frustrating hours.
CURRENT MACHINES RELEASED SO FAR:
HL-5340D
HL-5350DN
HL-5350DNLT
HL-5370DW
HL-5370DWT
HL-5380DN
DCP-8080DN
DCP-8085DN
MFC-8480DN
MFC-8880DN
MFC-8890DW
There are two different yielding toner cartridges available for these machines, the TN620/650 (TN3230/3280 for Europe and
TN3250/TN32900 for Asia). The TN620 cartridge is rated for 3,000 pages at 5%; The TN650 is rated for 8,000 pages at 5%.
The drum unit is new as well (part number DR-620 [DR-3200, DR-3215]) and is rated for 25,000 pages. It will be covered in a
future article.
There is a reset gear resets the printer each time a new toner cartridge is installed. In our machine, the starter cartridge was a
TN620 and had the reset gear installed. Both the TN620 and the TN650 cartridges use different reset gears. The TN620 gears,
in addition to being a different color from the TN650, have two flags on them VS one flag for the TN650. That is how the machine
knows if there is a standard or high yield cartridge installed. New high yield reset gears are being developed so that low yield
cartridges can be made into high yield.
An interesting point in the reset procedure is what happens in addition to the counter being reset. When the printer senses a new
toner cartridge, the bias voltage is set to a high voltage. As the cartridge is used, the bias voltage is reduced gradually down.
This process is necessary because according to Brother, a new toner cartridge has a tendency to print light. As the cartridge is
used, the density increases. To keep the density level even throughout its life, the density bias voltage is reduced accordingly.
Each time a new cartridge is installed, the bias voltage is reset to the high voltage point, and the cartridge page count is reset
to zero. Since different yields would dictate different decreases in density over time, Brother uses different reset gears. This was
also done in other Brother cartridges, but after a time Brother just went with the high yield gear for both cartridges. Time will tell
on what they do with these cartridges.
BROTHER HL-5300 SERIES TN650 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS•
REMANUFACTURING THE BROTHER
HL-5300 SERIES / TN650 TONER CARTRIDGES
By Mike Josiah and the Technical Staff at UniNet
© 2010 UniNet Imaging Inc. All trademark names and artwork are property of their respective owners. Product brand names mentioned are intended to show compatibility only.
UniNet Imaging does not warrant downloaded information. Unauthorized sale, reproduction or distribution of this article is prohibited. For additional support, please contact techsupport@uninetimaging.com
www.uninetimaging.com
BASIC BROTHER PRINT THEORY
As with previous Brother cartridges, the waste toner is repelled out of the drum cartridge and picked up by the developer roller in
the toner cartridge and brought back into supply chamber. That is why there will always be a good amount of toner left in the
supply chamber when the cartridge is finished. This remaining toner MUST be completely removed from the supply chamber
before adding new toner. Failure to do this will cause back grounding. In addition to contaminating the toner cartridge, this will
also contaminate the cleaning section of the drum cartridge, which in turn will contaminate the toner cartridge again.
The reasons for this are explained in the following cartridge theory section.
The cleaning section of the drum cartridge consists of a "cleaning brush" and a recovery blade. The cleaning brush has two
opposite charges placed on it during the print cycle. The first attracts any remaining toner off the drum. The second repels the
toner off the brush back onto the drum where it then transfers back into the toner cartridge. This is all done in a timing sequence
that does not interfere with the printing process. If the cleaning brush becomes contaminated with bad toner that will not accept
a charge, the brush will not be able to clean itself and back grounding will occur. It seems to be the nature of contaminated toner
that it will accept most of the charge to be cleaned off the drum, but it will not accept the charge that would allow the brush to
clean itself off at all. A properly working cleaning brush will at any given time have only a small amount of toner on it.
Once contaminated, toner will accumulate, which will only cause the problems to get worse. Since the waste toner is transferred
back into the supply of the toner cartridge. Once you print with a bad toner cartridge, the drum unit will become contaminated.
Even when you change out the toner with a good properly recycled or new OEM cartridge, the drum unit will transfer some of the
bad toner back into the good toner cartridge, which will again cause backgrounding. Both cartridges will be contaminated again.
It can be a vicious circle. The remaining "toner" in the toner cartridge is just below the bare minimum that can maintain the
proper charge level. When the change toner light comes on, the toner will not charge up to the proper level and will cause the
backgrounding. As the toner cartridge reaches the end of it's useful life, the printer senses the low charge level in the toner
supply and will try to keep the charge level up. This constant charging keeps an almost "empty" cartridge from back grounding.
Once the printer cannot get the remaining toner up to the minimum charge, the change toner light comes on. The cartridge at
this point will still be printing properly. If you were to take that same cartridge out of the machine for a few days, and then put it
back in the printer with out doing anything to it, the cartridge will shade. This will happen because the charge level that the
printer was trying so hard to keep up has dissipated out and the materials left can no longer accept a proper charge.
WHAT DOES THIS ALL MEAN?
1. Make sure that your cartridge technicians thoroughly clean out the supply chamber of the toner cartridge.
2. In the event that they forget and you have a shading cartridge, the toner must be completely cleaned out again.
Do not use the toner over! New fresh toner must be installed.
3. The drum unit has to be taken apart and cleaned out with emphasis on the cleaning brush area.
This is a very simple process but very necessary once it is contaminated.
According to our tests, there will be approximately 65-70 grams of toner left when the cartridge is spent. This is normal.
The remaining toner however, as stated above, is waste only and must be thrown out or there will be backgrounding issues.
How to run test pages, printer trouble shooting, common cartridge problems, as well as how to read the cartridge serial number
will be covered at the end of this article.
REQUIRED TOOLS
1. Toner approved vacuum
2. Phillips head screwdriver
3. Small common jeweler’s screwdriver
4. Needle nose pliers
REQUIRED SUPPLIES
1. Dedicated toner for use in Brother HL-5300 series (200g for TN650, 115g TN620)
2. Developer roller cover
3. Lint free cotton cloths
4. Toner magnet cloths
5. White lithium grease
BROTHER HL-5300 SERIES TN650 TONER CARTRIDGE REMANUFACTURING INSTRUCTIONS•
© 2010 UniNet Imaging Inc. All trademark names and artwork are property of their respective owners. Product brand names mentioned are intended to show compatibility only.
UniNet Imaging does not warrant downloaded information. Unauthorized sale, reproduction or distribution of this article is prohibited. For additional support, please contact techsupport@uninetimaging.com
www.uninetimaging.com
Produktspecifikationer
| Varumärke: | Brother |
| Kategori: | Skrivartrumma |
| Modell: | DR-3200 |
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