44015503TH Rev. 1
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Oki Data CONFIDENTIAL
3. INSTALLATION
Note! • P
roper operation by use of an unspecified product cannot be guaranteed.
Be sure to use Oki product.
• A
dditional memory of 256 MB or more is recommended for long-sheet
printing.
• O
ne memory slot is provided.
(3) Installation of an additional memory
A memory expansion board increases the memory capacity of the printer. A memory
expansion board should be added to the printer when an error message [Memory Overflow]
appears due to insufficient memory for complex data on the printer, or the error message
[Collating Error] appears in making collated sets of copies.
Additional memory
Model name Memory capacity (total)
None (standard) 256 MB (256 MB)
MEM256E +256 MB (512 MB)
MEM512C +512 MB (768 MB)
1. Turn off the printer and disconnect the power cord.
Turn off the printer by following the steps described under “Turning off the power” in
section 3.5.2.
Note! • T
he printer or additional memory may fail if the power is switched off without
taking shutdown steps. Be sure to follow the shutdown procedure.
• I
nstallation of an additional memory with power on may cause a failure of
the printer.
2. Open the top cover and the front cover.
Open the multi-purpose tray.
Push the OPEN button to open the top
cover.
Push up the (blue) lever at the center
of the front cover and pull the cover to
open.
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