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Service Guide ML520/521
Chapter B Illustrated Parts Listing
B.1.02 Definition of Terms
Assemblies
Assemblies are parts grouped under a single description and/or part number. Generally, individual items in
an assembly are not available from Okidata.
Assemblies are surrounded by broken line boxes in the diagrams.
Assemblies will say "Includes xx xx" under the
Comments
section of the tables.
Parts in assemblies will say "Part of xx" under the
Comments
section of the tables.
Blank
Okidata does not recommend stocking this item. This item should be purchased on an
As Required
Basis
only
.
The availability of this item is
NOT
guaranteed by Okidata.
Consumable
A consumable is a supply item which has a specified life and must be periodically replaced. It is
purchased and installed by the end user. Okidata machines are designed to work
exclusively
with Okidata
consumables. By using genuine Okidata consumable products, the investment made in the equipment is
protected.
Document
A document is a printed item which supports the service and marketing of a product. Various documents
are available from Okidata.
Drivers
Printer drivers are updated frequently. Please refer to Okilink II for the latest printer driver information.
Firmware
Firmware is revised frequently. Please refer to Okilink II for the latest firmware information.
Option
An option is a part/assembly which is added to a product. The option expands the products functionality.
An option may or may not be installed by the end user. Instructions for installation accompany each
option.
Option RSPL
Okidata recommends that this part/assembly be on hand for servicing installed options.
RSPL
Okidata recommends that this part/assembly be on hand for servicing.
Technical Service Bulletins
Technical Service Bulletins (TSBs) are also referred to as Okidata's monthly mail.
The TSBs contain the latest information on firmware revisions, procedure changes, and technical