The Memory Expansion Board

Checking the board

Complete the following steps to make sure that the memory expansion board is installed properly and is functioning correctly.

1.Turn on the printer power and watch the display for the following:All the indicator lights on the display light briefly.The message ROM Check appears.The message RAM Check x.x MB appears.

2.Make sure that the amount of RAM displayed by the RAM check status message matches the new total RAM memory, as shown below:

Chip Sets Installed

Total RAM

 

 

0.5MB chip sets in blocks A, B, C, and D

2.5 MB

 

 

 

A 2.0MB chip set in block A, and 0.5MB chip sets in

 

 

blocks B, C, and D

4.0

MB

2.0MB chip sets in blocks A and B, and 0.5MB chip

 

 

 

 

sets in blocks C and D

5.5

MB

 

 

 

If the correct amount of RAM does not appear, turn off the power and remove the board to check that the chip sets are in the correct block and that each chip is well-seated in its socket. If the RAM check message is still incorrect, contact your dealer or a qualified service person for assistance.

A-20 Options