Fold type in which a document-set is folded twice in which the folded
flaps are on top of each other. This fold is illustrated in the picture below.
The position of both folds is adjustable. Synonym: Letter fold.
C-fold
The function of an inserting system in which all mail-sets in progress
are finished and the document path is left empty.
Clear
Capability of an inserting system to manually insert mail-sets one by
one into the system, which are then inserted into an envelope. Optionally,
depending on settings, additional enclosures can be added and the
mail-set can be folded. This function is intended for small amounts of
mail that each can have a different build-up.
Daily Mail
To avoid stoppages the Divert area diverts duplicate on faulty documents
before folding them while the system is still running.
Divert area
A document is one of the components of a mail-set. A document can
consist of one or more sheets. Documents can be divided into address
carriers and enclosures. For personalized mailings there is always one
address carrier and an optional number of enclosures.
Document
The document-set is the physical collection of address carrier and en-
closure(s) that is under production in the Inserting System. The docu-
ment-set is completed during production and is to be inserted in the
envelope. The number of enclosures can range from 0 to the limit op-
posed by the number of available Feeders. Once the document set has
been inserted into an envelope it is called mail set.
Document-set
Double Feed Control is the sensor that measures the thickness of a
sheet to check if the inserting system does not accidentally take more
sheets than intended. DFC sensors exist on Feeders (double sheet
detection). Currently DFCs on inserting systems perform relative
measurements, which means that they need a cycle to 'learn' the
thickness of a sheet. Also the length of the document is measured so
partly overlapping sheets will be detected.
Double Feed
Control (DFC)
See double V-fold.
Double parallel
fold
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