There are several different hp indigo presses on the market. The enclosed table gives an overview of the name changes from Indigo to hp indigo press.
Indigo
Hp Indigo
Commercial
Platinum
UltraStream 2000
UltraStream 4000
Publisher 4000
Publisher 8000
XB2
hp indigo press 1000
hp indigo press 3000
hp indigo press 3200
hp indigo press w3200
hp indigo press w3400
hp indigo press b7000
Industrial
Omnius MultiStream
Omnius WebStream 50
Omnius WebStream 100
hp indigo press s2000
hp indigo press ws2000
hp indigo press ws4000
Photo-e-Print
Photo-e-Print MetroLab
Photo-e-Print ProLab
hp indigo press m9000
hp indigo press p9000
hp indigo press – how does it work in general?
Start
Digital file is prepared for optimal printing (colour separation) Writing image on Photoreceptor
Photoreceptor (PIP) is charged to -850 V
Laser beam “writes” the image (change in charge from -850 V to -150 V)
Rotation of PIP: Pickup ElectroInk
Excess liquid toner is removed with the help of a developer liquid and wipers Transferring the image onto the blanket
Liquid toner image is transferred to the rubber blanket and begins to fuse Transferring the image from the blanked onto the paper
Liquid toner transfer from blanket to paper (Y-M-C-K) takes place with pressure and heat
There are specific demands on digital papers for the hp indigo presses. For optimal feeding (vacuum suction), the paper has to have a smooth surface and low porosity. The fibre orientation has to be correct to meet the stiffness requirement (short grain/long grain). In order to obtain optimal ElectroInk® transfer, the oil absorption rate of the paper has to be adjusted. The amount of ElectroInk® transfer is also a function of the surface chemistry of the paper. Good surface strength is necessary to avoid picking problems.
Duplex printing silver digital has been optimised for the best duplex printing results with a high opacity rating for the paper. Improved sheet formation ensures that blurred or cloudy images are eliminated from colour digital printing. Duplex printing places stringent demands on the paper. silver digital’s dimensional stability under printing conditions, and accurate trimming, will ensure pin-point registration. silver digital is suited to HP Indigo’s patented ElectroInk technology, as the surface composition is ideal for the correct ink adhesion.
Storage and handling of silver digital sheets silver digital reams should be kept in their original moisture-proof wrappers and stored in a room conditioned to 50% relative humidity at between 19ºC and 23ºC. silver digital sheets should be allowed to condition to the print room temperature, whilst still in their wrappers, for 24-hours before use. Opened reams should be stored in their moisture-proof wrappers in-between print runs. The reams should be stored away from extremes of temperature, humidity and direct sunlight.
