In case you can not find exact match with your model name, please select similar model name. Driver and user's manual are common.
e.g. For product name MC873, please select either MC873dn or MC873dnv
The serial number is a unique sequence of numbers and/or letters which is used to identify your product.
Your product serial number can be found in one of the following places:
In case of your product name MC873, please select MC873dn or MC873dnv.