Oki ES5431 - Installing Upgrades; Memory and SD Card Installation

Installing upgrades > 73
I NSTALLING UPGRADES
This section explains how to install optional equipment into your printer. This includes:
> additional RAM memory (C331 and C531/ES5431 only)
> SD card (C531/ES5431 only)
> additional paper tray
1
M EMORY UPGRADE (C331 AND C531/ES5431 ONLY )
The basic printer models comes equipped with the following main memory:
> C331: 128MB
> C531/ES5431: 256MB
This can be upgraded with an additional memory board of 256MB or 512MB, giving a
maximum total memory capacity of:
> C331: 640MB
> C531/ES5431: 768MB
1. Switch the printer off and disconnect the AC power cable.
2. Remove the outer access cover and place it safely to one side.
1. Not C301 and C321
a
b