OKI 70037401,
70037501 & 70037601
Memory DIMM
Installation Instructions
Every effort has been made to ensure that the information in this document is
complete, accurate, and up-to-date. Oki Data assumes no responsibility for the
results of errors beyond its control. Oki Data also cannot guarantee that changes in
software and equipment made by other manufacturers and referred to in this guide
will not affect the applicability of the information in it. Mention of software products
manufactured by other companies does not necessarily constitute endorsement by
Oki Data.
Copyright 2001 by Oki Data Americas, Inc.. All rights reserved.
Written and produced by the Oki Data Training & Publications Department. Please
address any comments on this publication
by mail to: or by email to:
Training & Publications Dept. pubs@okidata.com
Oki Data Americas, Inc.
2000 Bishops Gate Blvd.
Mt. Laurel, NJ 08054-4620
For the latest product information, printer drivers, manuals, special offers, etc., we
welcome you to visit our multilingual web site:
http://www.okidata.com
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Getting Started
The printers have four sockets for memory DIMM boards. You can expand the
printer's memory up to 1 GB by installing four 256-MB DIMMs. To achieve the
1 GB memory in most models, you will need to replace the DIMM(s) provided
with 256 MB DIMMs:
Model Memory Provided
C7200 64 MB
C7200n 64 MB
C7400n 128 MB
C7400dxn 256 MB
C9200 128 MB
C9200n 128 MB
C9200dxn 192 MB (64 + 128 MB)
C9400dxn 320 MB (64 + 256 MB)
Caution!
Circuit boards can be damaged by static electricity and rough handling. Keep
board in packaging until you're ready to install it. DIMMs are sensitive to static
electricity. To avoid damage, ground yourself before handling DIMMs.
3
Prepare the Printer
1 Turn the printer off and unplug the power cord.
2 Detach the interface cable from the printer.
3 Remove and save the thumbscrew at the top and bottom which hold the
control board in place.
C7000 Series C9000 Series
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4 Grasp the control board, loosen it by wiggling it back and forth, and slide it
out of the printer.
C7000 Series C9000 Series
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