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Comparison Epson WorkForce DS-530 vs Canon DR-C225W

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Epson WorkForce DS-530
Canon DR-C225W
Epson WorkForce DS-530Canon DR-C225W
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Product typesheetfedsheetfed
FormatA4A4
Max. resolution600x600 dpi600x600 dpi
Technical specs
Optical elementCISCIS
Max. scan area216x6096 mm216x356 mm
Colour depth (int.)48 bit
Colour depth (ext.)24 bit24 bit
Shades of grey256
Mono scanning35 ppm25 ppm
Colour scanning35 ppm25 ppm
Operating cycle4000 page/day1500 page/day
Document autofeed50 page30 page
Duplex scanning
Slide moduleis absentis absent
Data transfer
 
USB
Wi-Fi
USB /2.0 High Speed/
General
Power sourcemains poweredmains powered
Power consumption13 W
Dimensions296x169x176 mm300x339x235 mm
Weight3.7 kg2.8 kg
Added to E-Catalogjanuary 2017october 2014

Max. scan area

The maximum image size that the scanner can process at one time, both horizontally and vertically. You should pay attention to this parameter if you need the exact dimensions of the scanner's working area, down to a millimetre: although standard formats are used to designate these dimensions (see "Format"), in fact the dimensions may differ from them.

Colour depth (int.)

Under the internal colour depth is meant the number of shades of the image that the scanner itself can recognize; it should not be confused with external depth, which is the amount of hue transmitted to the computer (see below). Colour depth is expressed as the number of bits of information used to encode data about each colour. The total number of colour shades in this case is 2 to the power of n, where n is the colour depth. So, a 24-bit scanner recognizes 16.7 million colours — which is more than one and a half times more than the human eye, and quite enough for simple everyday tasks. In more advanced professional models, colour depth can reach 96 bits. Although the characteristics of the image transmitted to the computer are described by the external colour depth (which can be less than the internal colour depth), the internal depth, however, also affects its quality: other things being equal, a scanner with a higher internal depth provides more accurate colour reproduction.

Shades of grey

The number of shades of grey that the scanner recognizes. You should pay attention to this parameter if you plan to actively work with complex black-and-white materials (for example, photographs) — the more shades, the higher the quality of the digitized image. To date, the average is considered to be 512 shades — this approximately corresponds to the capabilities of the human eye. Models with a lower indicator belong to the entry level, more advanced ones “understand” 1024 shades.

Mono scanning

The black and white scanning speed provided by the device. Usually, the maximum processing speed for an A4 sheet is indicated, i.e. speed at the lowest resolution. In fact, the speed is usually lower and depends on both the resolution and the size of the original material. The higher the scanning speed, the more convenient it is to work with the scanner; pay special attention to this parameter if you plan to work with numerous black and white images.

Colour scanning

Colour scanning speed provided by the device. In fact, it depends on the selected resolution, colour depth and original dimensions; the characteristics most often indicate the speed for an A4 sheet at the minimum resolution and colour depth, i.e. maximum possible speed. If you only need to scan one or more sheets from time to time, high speed is not too critical, but for working with a large amount of materials, you should look for fast models.

Operating cycle

The maximum number of pages that the scanner can process per day without overloading and the negative consequences associated with them. Most often indicated for A4 format. Even the most modest models of modern scanners have duty cycles measured in dozens of pages, which is quite enough for simple everyday tasks. Therefore, you should pay attention to this parameter if you have to scan numerous materials every day.

Document autofeed

The maximum number of sheets of standard weight (80 g/m²) paper that can be placed in the scanner's auto feed system at a time. These systems are similar to those installed in printers: a stack of sheets is installed in a special tray, and each of them is fed in turn for scanning. It is worth paying attention to models with this function if you often have to work with numerous documents: you will not need to monitor the process and manually feed sheets — just load the originals into the automatic document feeder and press the button. Many document feeders, some flatbeds, and almost all combination scanners have an ADF (see "Type"). It works, however, only with separate sheets and cannot cope with larger media.

Duplex scanning

Availability of duplex scanning function in the device. Duplex scanning in this case means such an operating mode in which the scanner simultaneously captures an image from both sides of the processed medium (sheet of paper). The convenience of this feature is obvious: the media does not have to be turned over to scan each side separately, and the processing time is significantly reduced. Double-sided scanning is found mainly in the models of traction or combined type (see above), however, there are also flatbed scanners with this capability.

Data transfer

— Wi-Fi. A wireless interface primarily used to build local computer networks. In many respects it is similar to the LAN described below (in particular, it allows using the scanner as a network device), but it compares favorably due to the absence of a cable and the ability to work directly through walls. In addition, relatively recently, Wi-Fi modules have appeared with the ability to directly connect between devices — for example, to control a scanner from a tablet and transfer processed materials to the tablet directly, without creating a computer network. However scanners with Wi-Fi are quite expensive.

USB. Universal interface for connecting various peripherals to a computer, including scanners. Today, it is the most common port of this type; at least one USB input is provided by the vast majority of PCs and laptops.

SCSI. Universal interface for connecting computer peripherals; has a good speed, however, it is much less common than its analogues, besides it is considered obsolete and is gradually being replaced by other standards.

IEEE-1394. Universal port, in many ways similar to USB (see above). Provides higher speed than the most common USB 2.0, but is much less common.

-LAN. Connector for connecting various devices to a local computer network. A scanne...r with this interface can be connected as a network device and used with it by any computer on the network, which can be especially useful in offices.
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