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
M
EMORY UPGRADE
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
1
(C331
C531/ES5431
AND
a
b
Installing upgrades > 73
)
ONLY