The Lexmark X2500 color all in one printer is best suited for home users who want to have a “just in case” multifunction on hand for the rare print or copy. The Lexmark X2500 employs a simple, basic design for an all-in-one.
The white-and-light-gray unit of this cheap printer stands 16.9 inches wide, 11.5 inches deep, and 6.9 inches tall and weighs a light 10.4 pounds. The scanner lid opens to reveal an A4-size flatbed scanner. The X2500′s control panel is rudimentary, consisting of just six buttons, four of which are start buttons for various tasks.
Lexmark X2500 contain two-ink cartridges: one black and one tricolor (Cyan, Magenta, and Yellow). The black tank can be replaced with a photo ink tank for six-color photo prints. The feature set of Lexmark’s cheap X2500 printer is standard for a low-cost all-in-one. For a $60 all-in-one, the Lexmark X2500 offers a surprisingly full range of features.
The printer prints text at the rate of 4.34 pages per minute. It also printed 4×6 photos fairly quickly–0.77ppm—again. The X2500 fared well in scanning tasks too: 5.36ppm for grayscale and 4.45ppm for color. The quality of the Lexmark X2500 did an impressive job for the price. Texts obtained from the cheap X2500 are nicely dark and looked great at arm’s length. Color gradients are also smooth and color blocks were nicely saturated. The photo elements displayed decent detail as well. The X2500 did a pretty good job with the grayscale scan: it was sharp, and it handled patterns well,
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An ink cartridge, comprising: a cartridge case enclosing an ink chamber; a path extending from the ink chamber to an exterior of the ink cartridge; a valve member having a first state in which communication between the ink chamber and the exterior of the ink cartridge along the path is permitted and a second state in which communication between the ink chamber and the exterior of the ink cartridge along the path is prevented; an urging member enclosing a portion of the path on an ink chamber-side of the valve member, the urging member being capable of urging the valve member toward the exterior of the cartridge and comprising a hollow portion forming the portion of the path; wherein: the path varies in diameter at different locations along the path; a first diameter of the path in one or more narrow sections is smaller than diameters in all other sections of the path; at least one of the narrow sections of the path has a polygonal cross sectional shape in a plane perpendicular to a direction in which ink flows through the at least one of the narrow sections; the hollow portion has a substantially tapered shape, such that a first diameter at a first end of the hollow portion is greater than a second diameter at a second end of the hollow portion; and the hollow portion has a polygonal cross sectional shape at least at the second end.
2. The ink cartridge of claim 1, wherein the urging member is formed of a resin or rubber material having elasticity, the resin or rubber material being combustible.
3. The ink cartridge of claim 1, wherein: the urging member comprises a ink chamber-side portion, an exterior-side portion and an intermediate portion provided between the ink chamber-side portion and the exterior-side portion, the ink chamber-side portion and the exterior-side portion each having a greater structural strength than the intermediate portion; the ink chamber-side portion has a first hollow portion, the exterior-side portion has a second hollow portion and the intermediate portion has a third hollow portion; and at least one of the first hollow portion and the second hollow portion has a polygonal cross sectional shape.