GelJet technology, developed by Ricoh is a hybrid between laser and inkjet offering an optimal balance and maximisation of print speed and image quality at affordable cost in a business environment.
- Dries instantly – 4 times as viscous as ink
- Uses soya based gel instead of dye, no hazardous emissions
- No smudging or blurring
- No requirement for expensive, coated paper
- Waterproof and sun-resistant
- High speed simplex printing 28/30 ppm Colour and Mono
- Fast duplex reaches 85% of simplex speed
- New belt transfer system for reliable, fast paper transport
- Variable media handling, upto 160 gsm from paper tray
- Upto 255 gsm and banner length from optional bypass tray
- Dual tank system for efficient printing, with no waste whatsoever
- Printing can continue when cartridges are empty
- Cartridges have a long yield for uninterrupted printing
- Easy to maintain – only cartridges to change
- Modulated dot size for precision quality
Ricoh GelJet Technology
Particularly for small and medium enterprises and smaller office workgroups, the upfront cost of colour laser printers is often too high. Total Cost of Ownership (TCO) prohibits the use of colour inkjets for cost sensitive customers due to frequent and expensive cartridge changes. With its revolutionary new GelJet technology, Ricoh is meeting this need in a completely different way.
By utilising Liquid Gel rather than traditional toner or ink, the GelJet range produces affordable waterproof and sunlight resistant prints. Key benefit of the Liquid Gel is that it dries instantly when hitting the paper. Due to this technology, high speed printing is ensured even in duplex mode. Speeds are up to 30 pages per minute for both colour and black and white.
Key innovation for high speed quality printing is the GelJet extra wide print head separate from the cartridges. With its 32.3 mm, the widest in its class, the printable area is greatly expanded. The power used to push the Liquid Gel through the print head is about 1 Mega Pascal, about 2.5 times as high as with conventional printers. Contrary to other devices, the GelJet print heads are designed for durability and anti-clogging. If the printer is not used for a longer period of time, the print heads will be automatically cleaned. For a high 1,200 dpi image resolution, each print head has 384 nozzles. Contrary to other systems however, GelJet allows for clear and solid images, even at high speed and/or low resolution. Due to Ricoh’s Modulated Dot (M-Dot) technology, the size of the drops is varied, maximising the performance of the fast drying GelJet Liquid Gel.
Using the special Level Colormode - the cost per page of colour prints is similar to black and white prints. This feature distinguishes texts from images and graphics. While texts are printed at normal thickness, up to 50% is saved on colours for images and graphics within the same document. As opposed to so-called 'Draft' modes currently in the market, the Level Colormode ensures perfectly crisp and sharp black texts at all times.
With these new models Ricoh underlines its TCO focus. Apart from the Level Colormode, the lifecycle and design of the cartridges are key for GelJet. It uses four separate cartridges, as well as small reservoirs at the print heads, ensuring a continuous supply of Liquid Gel. Moreover there are virtually no residues when notification is given that replacement is due. The print heads are separate from the cartridges and designed to last the lifetime of the printer. This has a favourable effect on consumable costs and therefore on the overall cost per page.
Other TCO saving measures include ability to use normal or recycled paper rather than special laser or inkjet paper, low power consumption, first print speed within six seconds, automatic duplex printing and counter function to be used in click charge.
The GelJet Belt Transfer System
The paper transfer technology of traditional devices uses roller feeding systems. Rollers at the front and the back of the print head should flatten the sheets. This system often results in an unclear print image at the edges, since the front and back edges of the sheet tend to hang loose. In addition, high speed feeding is not possible as the paper may ripple and feeding becomes unstable. The GelJet technology eliminates all of these disadvantages and makes use of a belt transfer system, commonly used in laser printers. The GelJet belt transfer system uses electrostatic power to enable high speed transfer and fast printing, while images are consistently sharp.
The belt transfer system also enables optimum duplex printing. With conventional roller feeding systems, the sheet is released while printing the edge. In case of duplex printing, the sheet cannot be released, as it has to be inverted. This causes a large unprintable area (20 - 30 mm from the edge) at the back of the paper. The GelJet system guarantees high quality, high speed printing on both sides of the paper, without such limitations.
As a further advantage, the belt transfer system allows the use of the wide print heads. This combination enables high feeding speeds and sharp image quality. With traditional roller feeding systems, wide print heads will not solve the issue of poor print quality at the edges of the sheet. Even with its extremely wide print head, the GelJet’s electrostatic belt transfer system preserves a high quality for the whole print area, including the edges.
GelJet Belt Transfer System Advantages
- Fast printing
- Consistent high quality across the whole print area, including the edges
- Optimum duplex printing without limitations of conventional methods
Contact Us for more information about GelJet printers, or to request print samples.
by Andy Leighton