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Brother HL-L6200DW Wireless Monochrome Laser Printer with Duplex Printing (~$180-$220) micro or small office, or a workgroup duplex printer. This is an old model that might still be available.
Brother HL-6180DW (~$220-$300) Duplexing solid balanced Black and White printer. Slower but consistent printer. This model is now old and may be discontinued.L6210DW Business Monochrome Laser Printer with Large Paper Capacity
Purchasing link: httpsReview: http://www.pcmag.com/article2/0,2817,2408916,00.asp
Purchasing link: http://www.amazon.com/Brother-PrinterHL-HL6180DWL6210DW-WirelessBusiness-Monochrome-Networking/dp/B008CJ1N5M%3FSubscriptionId%3DAKIAICE7LOAJMK3SSLPA%26tag%3Dpcm_buyitnow-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB008CJ1N5MB0CGC9HPNH/?th=1
HP Laserjet P3015x (~$550-$600) High volume enterprise level workhorse printer, double sided, letter-size, black and white printer.
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