Formax 6404 Series - Manual (Page 85)

OMR basic license
For the OMR basic license the following functions are available:
• Start mark: indicates the start of the code.
• Insert/Accumulate: defines when a document set is complete and must be inserted
into an envelope.
• Parity check: by adding a parity mark the reading code can be checked. The sum of
the marks must be even.
• Safety Mark: is used as an extra security. With skewed paper the reading head can
miss part of the reading code. In these situations the safety mark is not read, and
the system will give an error. The safety mark also indicates the end of the reading
code. This mark must always be present on the document if it is part of the code
definition.
The minimum code is one mark in one line (insert). However for reliability it is advised to
use at least 2 marks. The first line is the start mark. A mark printed on the second line
means insert. No mark on the second line means accumulate.
In some cases, on request of the customer, the reading of the basic
commands can be reversed by the service organization.This means
that no mark is interpreted as an insert command and that for the
accumulate command a mark has to be printed.
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