Xerox 6180N Generic MICR Fundamentals Guide - Page 119
read when the set is resubmitted. You must determine if any
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Problem solving Questions to consider When analyzing the results from a batch of documents that were tested in a reader sorter, you must ensure that the returned documents correspond to the reported rejects. You should ask the following questions: • What is the reject rate? This varies depending on the reader sorter that was used. It is based on documents and defined for each pass through the reader sorter. It is not based on field or character rejects. • How was the rate calculated? Improperly oriented items such as blank sheets, pages inserted upside down or backwards, paper handling rejects, and Amount field rejects should not be used in the calculation. • Are jams counted as rejects? Many systems log several items as rejects each time a jam occurs. This is often misunderstood by those who use the reader sorters. Identify and remove jams from the calculation. • Are multifeeds counted as rejects? Documents may stick together, causing multifeeds. This is common with paper that was cut by a guillotine cutter, or with perforated paper that is torn in groups. Multifeeds often produce sequential clusters of failures, which are usually read when the set is resubmitted. You must determine if any rejects are due to multifeeds and remove them from the calculation. • Are numerical calculations correct? Make sure that the conversion to a percentage was made correctly. Improper truncation and slipped decimal points are common errors. • Were rejects resubmitted? In general, rejects should not be resubmitted as part of the basic run. Reentering rejects distorts the actual reject rate. It may be useful to show that most rejects are read successfully on the next pass. • Was the batch large enough? Generic MICR Fundamentals Guide 7-7