Oki C511 Maintenance Manual

44951501TH Rev.2
3-14
Oki Data CONFIDENTIAL
3. INSTALLATION
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! • The printer or additional memory may fail if the power is switched off
without taking shutdown steps. Be sure to execute the shutdown menu.
• Installation of an additional memory with power on may cause a failure of
the printer.
2. Remove the connector cover.
Connector cover
Lock
3. Remove the printer cable.
Printer cable
(2) Installation of an additional memory (for C321/C331/C531)
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 Overow]
appears due to insufcient 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
None (standard)
256 MB(C531)
/128MB(C321/C331)
MEM256G +256 MB
MEM512D +512 MB
Note! • Proper operation by use of an unspecied product cannot be guaranteed.
Be sure to use Oki product.
• Additional memory of 256 MB or more is recommended for long-sheet
printing.
• One memory slot is provided.
• Even in the power-off status, when the AC cord is connected, a part of
thecircuit is operated, therefore, make sure to unplug the cable.

Oki C511 Specifications

General

Print Technology	LED
Print Speed (B&W)	30 ppm
Print Speed (Color)	26 ppm
Resolution	1200 x 600 dpi
Connectivity	USB 2.0, Ethernet
Operating Systems Supported	Windows, macOS, Linux