An error has been found in the RAM or ROM.
– Power cycle the printer.
The memory card is defective or incompatible.
– Turn off the printer, remove any additional memory, then turn the
printer back on. If the message clears, replace the memory card.
The formatter PCA is defective.
5Si, 6P, 5P, 5, 4V, 4P, 4Plus, 4, 4Si
A SIMM malfunction has occurred.
– Verify that the SIMM board is installed correctly. Replace the
SIMM that caused the error.
50 – Control panel messages