Embodiments herein print documents comprising magnetic ink characters, capture overlapping partial images of the MICR line of magnetic ink characters, and stitch these partial images together to form a complete image of the MICR line. This allows the embodiments to accumulate the routing number, the account number, the check number, and the amount data in the magnetic ink characters on each document to produce image-based data including accumulated amounts (e.g. ledger). Then, the image-based data including the accumulated amounts can be compared to the anticipated data from the original source of information to verify the accuracy of the printing operations.

 
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