problem in Annotation ??

Hi everyone,

in my design i cut  the schematic symbol from one page to another page the part reference is changing what is problem ??

from my schematic design i come to know in annotation mode is changed occurance but default is instance 

if i change the mode from occurance to instance that part reference will change right ?

what will i do ???

some time if i give print for schematic the part reference is change what is the problem??

i could not  cut any part (like resistor or capacitor or some other this ) from one schematic page to other page

please help for this post ?