Epson EPL-7000 Checking the board, Appendix A A-47

The Memory Expansion Boards

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:

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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:

Memory Expansion	Total RAM when filled
	2 MB Board	.5 MB Board
Board without chip set	4.0 MB	2.5 MB
Board with 1 chip set (4 chips)	4.5 MB	3.0 MB
Board with 2 chip sets (8 chips)	5.0 MB	3.5 MB
Board with 3 chip sets (12 chips)	5.5 MB	4.0 MB
Board with 4 chip sets (16 chips)	6.0 MB	4.5 MB

If the correct amount of RAM does not appear, turn off the power and remove the board to check that the chip set is in the correct sector and that each chip is well-seated in its socket.

If the RAM check message is still incorrect, contact your service representative for assistance.

Appendix A A-47