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There are three types of PCL downloaded objects:
■ Temporary
Temporary objects reside on the current resource and are
deleted at the beginning and end of a job (unless Retain Tem-
porary is set to On or On Compatibility) or when the system is
reset (<ESC>E or receipt of Printer Job Language).
■ Permanent
These objects reside on the current resource and are
retained when the system is reset (<ESC>E or receipt of
Printer Job Language).
■ External
These objects reside on the additional resources.
All objects are temporary when first created. They can be made per-
manent objects through PCL commands. Both temporary and perma-
nent objects can become external objects when the current resource
is changed (for temporary objects Retain Temporary must be set to
On, True, or On Compatibility). External objects become permanent
objects when the resource in which they reside becomes the current
resource.
User-downloaded PCL objects, with the exception of palettes, are
identified by an ID when they are downloaded. The ID is usually set
by the file performing the download. If not, the system will provide a
default value (usually 0, but this can be set using the “install” DOC). If
two objects of the same type are provided with the same ID, the last
one received replaces the former. From that point on, downloaded
objects are accessible by their IDs.