2-56 Service Manual
4500–E220/E321/E323
RAM memory error
This error indicates RAM failure. Remove DIMM(s) and re–POR the
printer. If the error persists, replace the card. If the error subsides,
check each DIMM independently. Replace faulty DIMM.
(963).
RAM in slot 2 is bad (962).
RAM in slot 1 is bad (961).
RAM soldered on the board is bad (960).