1. An apparatus for sorting co-mingled paper remittance correspondence, the apparatus comprising: conveyor belts for orienting the paper correspondence; a scanner; a computer system comprising a non-transitory computer-readable medium storing computer-executable instructions which, when executed by a processor on the computer system, configure the apparatus, for each co-mingled image to: associate a first electronic scan template with each co-mingled image; perform a first electronic scan of the co-mingled image using the first electronic template, the first electronic scan for extracting a first set of printed characters from within each co-mingled image, the first set of printed characters comprising: a customer account number; and a payment amount; based on the first set of printed characters extracted from the co-mingled image, classify the co-mingled image as corresponding to one of a plurality of product types; select a second electronic scan template based on the one of the plurality of product types; perform a second electronic scan of the co-mingled image using the second template, the second electronic scan for extracting a second set of printed characters from within each co-mingled image; based on the second set of printed characters extracted from the co-mingled image, confirming: the customer account number; and the payment amount; and in response to confirming the customer account number and the payment amount, register a credit of the payment amount to the customer account number.