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IBM 3211 Printer
and 3811 Control Unit
Systems Component Description
This reference publication describes the 3211 Printer and
the 3811 Control Unit used on input/output channels
provided by processing systems. The manual is designed for
those having a basic knowledge of programming and
computer operation.
Described are the features, speeds (including formulas),
type arrays, carriage operations, suggested error-recovery
procedures, programming and operating information, and
the IBM 3216 Interchangeable Train Cartridge. The
programming information includes details of storage areas,
addressing, and the commands and coding for each
operation.
For additional information, refer to the Bibliography of
the system to which the 3211 Printer is attached.
For additional specifications on forms, refer to the
Systems Reference library manual, Form-Design
Considerations-System Printers, G A24-3488.
Preface




Use this manual with the systems manual for the input/output
channel associated with the IBM 3211 Printer.
Any of the system's functions that initiate printer
operations to the channel are described in the systems
manual.




First Edition (June 1970)
Changes are continually made to the information herein; any such changes will be
reported in subsequent revisions or Technical Newsletters.

Requests for copies of IBM publications should be made to your IBM representative
or to the IBM branch office serving your locality .

This manual has been prepared by the IBM Systems Development Division. Product
Publications. Dept. 171. P.O. Box 6. Endicott. N.Y. 13760. A form is provided at
the back of this publication for readers' comments. If the form has been removed.
comments may be sent to the above-mentioned address.