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Last fall we noticed a new trend in the field of inkjet proofing: analog halftone dots. At the just-concluded Ipex exhibition, visitors can see more companies showcasing their outlets. (In fact, there are few companies that can't provide outlets now.) The result is whether or not outlets are no longer a distinguishing feature of manufacturers, but a must-have feature. Whether the user needs this function or not, manufacturers are not willing to neglect, in order to prevent the market from being eliminated.
This article will introduce some of the new features of the outlets, and will also highlight some of the other features and functions that manufacturers include in their products.
*Serendipity Software announced that their recently released version 2.6 will be capable of copying 150 lines per inch of product on a 720 dpi printer. Recently, they signed an agreement with Japanese Picactico Co., Ltd. to jointly develop a special paper that can be attached to pigmented inks but does not contain brighteners (usually used in the photo industry). The use of brighteners often brings about proofs. Unnatural light blue effect.
*GMG announced that their alternative halftone feature can output 150 lines per inch on the Epson 10000 printer, while HP's 10ps printer can output 200 lines per inch on the screen. However, GMG's main selling point is that the "four-dimensional" color engine can accurately preserve black channels in the conversion from CMYK to CMYK.
Seesee claims that they can also output 150-175 lpi screen lines on HP's 10ps printer. And it also has a newer feature: it can accurately imitate flexo spot colors.
Interestingly, when we interviewed these companies on Ipex, they seem to be ready to wait for us. They enthusiastically took out the printed sheets and proofs from the Briefcase for comparison. This is exactly what our minds can see from the results of the different proofing system outputs, because the main purpose of contract proofing is not to make it look beautiful, but to predict how bad the quality of the printed matter corresponding to it is. (You have to admit: The lithography process is not because of its print quality, but because it is cheap. No one likes halftone screening. It will greatly reduce the color gamut. The reason for insisting on using it is to obtain photos. Quality products cost ten times more.) If the comparison of prints and proofs is done on a high-definition display, not on paper media, it will leave a deeper impression on the user. However, that would shift the manufacturer's main purpose. At this time, customers can be attracted by the display of cute images. (Think now, the subsidiary purpose of the proofing system is to sell print jobs to very discriminating print customers who want a good image even if they know they can't afford it.)
Best Adds Spectral Measurements to Remoteproof
In recent days, the Best Remoteproof system has had two important changes. First, it abandoned the idea that Best had ever tried to install a densitometer in the printer to ensure device calibration. Instead, Best offers a Best.eye - this is a special version of the GretagMacbech Eye-One Spectrometer, which will come with a set in each system. It has a bright yellow casing, so Best staff sometimes called it "proofing bananas."
The second change is Best Remoteproof paper, which has a very interesting feature: the spectrometer gets the same reading with or without UV filters. Many ink-jet printing papers contain ultraviolet light-reflecting brighteners that are not found in lithographic offset papers; although the human eye does not see any difference, spectrometers without UV filters can be identified.
Best Software announced that it has introduced the Remote-proofing system at the end of April.
DuPont adds 'iCertification'
DuPont entered the Remote-proofing area with a special method called iCertification. It combines the software needed for proofing at each location with the job database on the DuPont host. The prerequisite is that all sites must use DuPont's digital Cromalin proofer and paper media.
The key to this method is the iCertification control bar, a row of color blocks with different gray levels consisting of three inks or four inks. There are a total of 18 such color blocks. When the printer is in color balance, all color blocks should be in an achromatic state. The 18 patch values ​​are printed with the exact DuPont ink and paper.
When starting to use this system, companies will register and install customer software in DuPont's database. Then print and measure the spectral value of the iCertification Control Strip - and make appropriate adjustments to match the DuPont standard.
When remote proofing (of course, registration in another location), the original digital Cromalin server generates two files. One is DuPont's copyright page, RemoteproofJob's compression mode, which is sent to a remote printing point. The other is an iC-JDF file (a type of JDF file) uploaded to DuPont's database. There are measurement values ​​provided for the iCertification control strip in the IC-JDF file.
At a remote location, print and measure the control bar. These values ​​are also loaded into the iC-JDF file and sent to DuPont, where they compare the original site values ​​with the DuPont standard. If both the sender and the receiver are within the error tolerance, they can be sure that their experiment is correct and the server provides confirmation of the result.
DuPont's server is built on an Oracle database and does not impose restrictions on only two iC-JDF files; any number of remote sites can be added to the sample group. In addition, the server supports annotations, so participants' opinions can be shared and the server should do further work as needed.
DuPont said that the design process is to achieve the highest level of accuracy, and therefore pricing. The initial software and registration cost was £25,000 ($35,000), plus £400 ($575) a month. Every time a company adds a proofing machine, it costs 140 pounds ($200) a month.
Pantone Shows Color Cue
Pantone's Color Cue is a compact, hand-held spectrometer that explains each color measurement method according to Pantone's formula. Although it has the hardware to generate spectral readings, it has no software. Instead, its software uses recent searches to find the Pantone color that best matches the measured sample. It is said that it can report this result in order of CMYK percent, sRGB percent, HTML hex code, or Lab value. However, they are only extracted from the official lookup table of Pantone.
Pantone believes that Color Cue will appeal to designers who often need to specify an ink or need to match some physical samples. At this point, Pantone may be right. At the Ipex exhibition, Pantone sold all of Color Cue's inventory at half the time of the exhibition, and it was estimated that the next order would take 6-8 weeks to arrive. One of the reasons for the popularity may be the price: £279 in the UK and $329 in the United States. Another possibility is the simplicity of use: Pantone numbers can be seen at the push of a button. It only does one job but it can be done very well. Its only limitation is that fluorescent and metallic samples cannot be analyzed; when these samples are measured, its reading is the closest ink value.
Inside Color Cue there is an LED ring that glows in rotation and has different colors. The light reflected from the sample is measured by a photodiode. Another photodiode, kept in the dark, is a way to compensate for temperature changes. (This technology was originally developed by ColorSavvy.) This component does not need to be calibrated frequently, but the lid of the battery case has a monochrome reference chip. Color Cue also has a serial port to adapt the internal software. It can also read spectral readings that can be interpreted by external software (such as making ICC profiles).
This summer, Pantone will launch the Color Cue version designed for the textile industry. It will use more LEDs, which will be placed at different angles to match the texture of the fabric. Later, Pantone will also provide another version for the plastics industry.
Avantes Revives SpectroCam
A few years ago, SpectroStar introduced a low-cost spectral densitometer and achieved some success. Unfortunately, SpectroStar soon went bankrupt, but fortunately, Avantes acquired this part of the assets and saved the product.
Recall that the SpectroCam uses a xenon lamp to generate the light pulse, which is transmitted through a plastic light pipe so that the sample can be illuminated from all angles. The reflected light is focused onto the diffraction grating through a 1.9 mm aperture, which propagates the beam onto a row of photodiodes. In this way, the diode can measure the light intensity of different wavelengths over the entire spectral range. (The xenon lamp contains some ultraviolet light, so this device can even analyze fluorescent samples.) Since there is no moving part, the entire process can be completed in less than one second.
Turn off the flash lamp, SpectroCam can also be used to measure the surrounding lighting and display fluorescence. But this process is slow and it takes 5 seconds. Finally, the value of the color temperature can be read by software and the spectrum can be drawn. You can also calculate metrics for experimental numbers and other criteria. If further analysis is required, the software can write out the measured values ​​of the external file in a user-defined mode.
The standard SpectroCam sells for €1,495 in Europe and $1,395 in the United States. If you add 100 euros, you can buy a UV-absorbing version. It is said that the difference between them is only the synthesis of plastic light guides, but it is not possible to change the version by exchanging the transfer tubes, so you have to buy separate parts.
Leopole Shows Fast Photo Proofer
Leopole Professional Services is doing Laser Lab's marketing campaign. Laser Lab is an electrophotographic minilab for proofing in the graphics industry. This laboratory, which was established by an Italian company called Polielectronica, uses ordinary red, green, and blue lasers to expose plain paper. (The Konica Konsensus proofer uses a similar approach.) The system provides software that has an Axiom RIP that handles most graphic image file formats. RIP can disperse the image to fill the paper, and can also expand, smooth, sharpen, and process color images.
Laser Lab proposed two advantages over its proofing equipment: speed and cost of consumables. A full 20 x 30 inch paper (A2 size) can be exposed in 10 seconds; larger models can make a 30 x 50 inch (A1 size) paper exposed in 15 seconds, after the image processing process also need 4 minutes, but in the next production, the processor processes one page every 10 seconds or 15 seconds. An A2 size paper costs about $2.
A further advantage is that, like photographs, this print is water-resistant and does not fade over time. Of course, if you want to make the product resistant to long-term outdoor UV exposure, you should also laminate the print.
There are three unfavorable aspects: resolution, size, and funding. The device is run at 254 dpi and the minimum point size is 100 microns. This is sufficient for continuous tone pictures, but text and line art need to be printed with softer edges. Simulation of halftone dots is not feasible. This device is not small, it takes about 3 square meters of floor space, 6 feet high. Its price is relatively high: about 130,000 pounds (185,000 U.S. dollars) in the United Kingdom.
Photographic processing and printing industry is gradually accelerating the use of mutual technology. Indigo was warmly welcomed at the recent PMA Expo. Inkjet printers used to be used for image enlargement in the past. Photoshop 7.0 provides more features for photography than scanners. Leopold is just a reward
Although you don't necessarily need to include outlets in proofs, it is available in almost all proofing equipment manufacturers' products. This article will examine this highly competitive market.
December 25, 2023