References
Copystar CS-2550 copier/printer/scanner. (2008). Neximaging.com. [Online]. Available:
http://www.neximaging.com/product.asp?id=20313&ADTR=4.
Dell Computer. (2008). [Online]. Available: http://accessories.us.dell.com/sna/category.aspx?c=us&category_id=4014&cs=04&l=en&navla=57351~0~897689&nf=57351~0~897689 & s=bsd&~ck=anav.
Direct Source Copiers. (2008). [Online]. Available: http://www.digitalsystemcopiers.com/.