HP AFICIO SP 8100DN - Manual (Page 41)

Installing Options
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2
I
When replacing the default SDRAM module, press down the levers on
both sides ( ) to remove the default module ( ).
Install a new SDRAM module.
To increase memory capacity to the maximum of 512 MB, remove the default
SDRAM module, and then install two 256 MB SDRAM modules.
J
Store the controller board (1) into the printer while gently pressing the
cover (2).
Push in the controller board firmly to align the rails in the printer's compart-
ment.
K
Fasten all the screws which you removed in step C .
The printer may malfunction if the controller board is not properly installed.
AQV763S
AQV502S
AQV503S