HP PSC 2175 ALL IN ONE PRINTER. HELP PLEASE?

WHEN I INSERT MY MEMORY CARD INTO THE APPROPRATE SLOT, THE PRINTER LIGHT BLINKS FROM GREEN TO AN ORANGE/RED. IT NEVER DID THIS BEFORE. I AM UNSURE OF THE CAUSE. I HAVE TRIED VARIOUS TIMES RE-INSERTING THE CARD AND IT REPEATS THE SAME THING. HELP