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Recovery, refilling and repair the Panasonic KX-FAD412A for KX-MB1900 / 2000

Recovery, refilling and repair of Panasonic KX-FAD412A cartridge for KX-MB1900 / 2000

In this article we will discuss how to handle with the Panasonic KX-FAD412 drum cartridge.

It's no secret that with a simple filling or filling the toner into a tube after a short time the cartridge start to print with the defects. The most common defects are: the strong background, the line along the paper, the comb along the edges of the sheet. 

 

The strong background is result of debris in the toner hoppe. Since the cartridge doesn't have a separate compartment under the refinement and pumped toner back into the cartridge (that was't transferred onto the paper from the opc drum), then after a while there will be not so many toner, but there was a paper dust and the debris. Sollution: disassemble the cartridges and clean all components, including the supply roler, the transfer roller and the lattice of the transfer roller.

The typical comb at the edges of the sheet or repeating for four times the same defect as strips or bars on the sheet - a fault of opc. Solution: replacement.

Long straight lines parallel to the long side of the paper have two causes. The first one, the saw-cut around the circumference of the toner supply roller, the secon is in the - dent or debris on thedoctor blade. Solution: cleaning, and if it not help then you need to replace it.

That was the theory, now the practice in the picture.

Here the printer with the whole list of  malfunctions. It is the seventh refilling and the cartridge hasn't been cleaned from the beginning.

заправка fd412

 

First step, desassemble.

In order to disassemble the cartridge, we need to remove from the stopper 8 triggers around it body

Here are the first three

разборка картриджа panasonic

Here is the triggers

Защелки картриджа

Защелки картриджа

 Pry off with the flat screwdriver

разбираем картридж Panasonic

Here's it from within 

разбираем картридж Panasonic

Trmove 

Remove the side covers, fixing the drum. Unbolt the long bolts, which is longer is right

заправка картриджа Panasonic

Take look on the bottom trigger 

заправка картриджа Panasonic

Here is the gears, remember its places. You need to remove them all.

Шестерни картриджа Panasonic

Remove the opposite cover

картридж Panasonic

 Remove the drum. Now you need get the toner supply rollel to clean it

He located on the white plug and fixed by the rod

develop roller panasonic

 

чистка картриджа Panasonic

We remove the drum and the developer roller and now you need to clean the cartridhe from the old toner and the waste

чистка картриджа Panasonic

Especially thoroughly cleans the supply roller, sponge one. Rotate it and clear it with a vacuum cleaner. As a result, you should get something like this

чистка картриджа Panasonic

чистка картриджа

We can't scour out the develop roller, after washing and drying its not changed

чистка картриджа

Took out the new one. It looks like it

Вал проявки Panasonic KX-MB 1900/ 2000 для картриджей KX-FAD 412A

Here it is on its place in the cartridge

Вал проявки Panasonic KX-MB 1900/ 2000 для картриджей KX-FAD 412A

We put the gear back into the cartridge

картридж KX-FAD 412A

Insert the new drum. Insert the side cover and fill the toner into the cartridge.

That's what we get

Тонер Panasonic универсальный. фасовка 450гр. Четкая черная заливка. Для - kx fat411a

As we have a new opc drum, we need the cock the shutter of the drum.

It's very easy, you need to twisting on the clockwise until it stops.

Барабан (Фотовал) Panasonic KX-MB 1900/ 2000 для картриджей KX-FAD 412A

Insert it into the printer.  

восстановление картриджа Panasonic

Following materials are used

1) Hands, the phillips screwdriver,the flat screwdriver, the vacuum cleaner, a newspaper

2) Univesal Panasonic toner  - 450 rub for 450g (about 4-5 refills) 

3) Develop Roller - magnetic roll for KX-FAD 412A cartridge  (260rub) 

4) OPC drum for KX-FAD 412A - 400rub

Total 770rub

The cost of this new cartridge is 2200rub

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