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Xerox Phaser 3121

Design and Ergonomics

This model resembles the Samsung ML-1615 at first sight, the similarity stretching to the placement of the components, the shape of the case, the design of the control panel, but unlike in Samsung’s model the input tray is fully contained within the case; the flip-back support of the output tray is much shorter because the bigger depth of the case makes a long support unnecessary.

The input tray is improved. It has a frame of its own, width-setting guides, a mechanical load indicator, and a metal clamp for a more reliable transfer of paper into the printing section. The printer also features a slot for per-sheet loading with independent guides and a scale of formats.

The cover on the back panel offers quick access to the transport mechanism, so if the medium gets stuck inside, you can extract it without dismantling the entire case. The heater is located here, too, but it cannot be extracted that easily.

The back panel has a big prominence, like on the Samsung printer’s. It contains a power adapter and interface and power connectors. This view shows you one design peculiarity: the input tray is open at the rear and the media are transferred into the printing section from the front, but it doesn’t mean the paper is loaded from the rear. The loaded paper will just protrude from the case at the back rather than at the front as with many other printers.

 
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