Environment

“MFPs are indispensable in today’s offices. Since these products are used

 

 frequently and for many hours, Konica Minolta is striving to improve their environmental performance”

 

Production process of pulverized toner (conventional toner) 

In the conventional pulverizing method, as its name suggests, the toner is produced by the creation, then pulverization of a lump of ingredients.

Toner particles are produced when plastic materials are heated to melting point and are then cooled down, hit against a wall and crushed by a strong air current.

Due to the complex production process mentioned above, pulverized toner has low energy efficiency. Moreover, if the particles are pulverized into a size that does not meet the requirements the production yield will deteriorate.

 

Production process of Simitri toner 

 On the other hand, in the polymerization method which is used to produce Simitri toner, minute resin particles are combined with color pigments in a chemical reaction to produce toner particles.

Since the toner particles are produced by combining resin particles and color pigments, the polymerization method can produce smaller and more uniformly shaped toner particles as compared with the pulverized method, which uses a crushing process. The polymerization method thus enables us to obtain precise and beautiful image quality.

Simitri toner, which requires no processes from hardening to pulverization, is produced using a simple production process. Additionally, uniformly shaped particles do not need to be inspected for size after production. Accordingly, the energy used for the production process can be substantially reduced.

Compared with the pulverizing method, the polymerization method has achieved an approximate 40% reduction in CO2, which contributes to global warming.

Fine and uniform toner particles also help reduce environmental impact when used by consumers

Simitri toner, with its fine and uniform particles, is also effective in reducing environmental impact when the toner is used by consumers.

Firstly, the small particle size toner allows for a reduction in toner consumption. If a toner of 8 µm, which is a standard size for the pulverized toner, is replaced with a Simitri toner of 6 µm, the toner consumption is reduced by more than 30%.

Secondly, since small and uniform toner particles can be fused to the paper at a low temperature, power consumption during the fusing process will also be reduced.

 


Simitri HD toner that can be fused at a even lower temperature

 Konica Minolta has upgraded the Simitri toner to develop the Simitri HD (High Definition) toner.

Simitri HD toner has particles that are soft on the inside, so that they may be melted at a lower
temperature, and hard on the outside, which prevents toners from adhering each other and thus produces high quality images. Simitri HD toner, featuring the “core-shell configuration,” in which toner particles are soft on the inside but hard on the outside, has allowed users to substantially reduce power consumption when they use the product.


The Simitri HD Toner

Konica Minolta developed the Simitri HD Toner, an upgraded version of its proprietary polymerized toner.

Compared to a conventional pulverized toner, polymerized toner requires less energy during the manufacturing process, thereby reducing CO² generation by more than 40%. In addition, the new Simitri HD Toner cuts energy consumption by about 30% during use.

The technology enabling this energy-saving break-through is the "core-shell conguration" of the toner particle, where toner particles are soft on the inside, so that they may be melted at a lower temperature, and hard on the outside, which prevents toner particles from sticking to each other. This technology enables fixing even at temperatures that is 20°C below that for existing polymerized toners, while still producing high quality images.

The colour MFP bizhub C650/C550, featuring these innovations, have earned the Director-General’s Award from the Agency for Natural Resources and Energy, which is one of the 2007 Energy Conservation Grand Prizes.

 

IH Fusing Technology

In order to enjoy convenient printing quickly at any time, the device always needs to be on. Therefore, reducing the power consumed by devices in standby mode was an important environmental issue to be addressed. That is why Konica Minolta turned to induction heating (IH) technology, which is already being used for cooktops. Utilizing this technology allows ef?cient energy conversion from electric power to heat, reduction of device warm-up time, and lower standby power consumption. In other words, Konica Minolta has maintained the same level of convenience for the user, while facilitating substantial energy savings.



Production process of pulverized toner (conventional toner)
In the conventional pulverizing method, as its name suggests, the toner is produced by the creation, then pulverization of a lump of ingredients.

Toner particles are produced when plastic materials are heated to melting point and are then cooled down, hit against a wall and crushed by a strong air current.

Due to the complex production process mentioned above, pulverized toner has low energy efficiency. Moreover, if the particles are pulverized into a size that does not meet the requirements the production yield will deteriorate.


Production process of Simitri toner
On the other hand, in the polymerization method which is used to produce Simitri toner, minute resin particles are combined with color pigments in a chemical reaction to produce toner particles.

Since the toner particles are produced by combining resin particles and color pigments, the polymerization method can produce smaller and more uniformly shaped toner particles as compared with the pulverized method, which uses a crushing process. The polymerization method thus enables us to obtain precise and beautiful image quality.

Simitri toner, which requires no processes from hardening to pulverization, is produced using a simple production process. Additionally, uniformly shaped particles do not need to be inspected for size after production. Accordingly, the energy used for the production process can be substantially reduced.

Compared with the pulverizing method, the polymerization method has achieved an approximate 40% reduction in CO2, which contributes to global warming.