Printing media loading apparatus

Abstract

A printing media loading apparatus includes a roller that has a narrow slit thereon and is used for loading a printing media. There are two nicks respectively on the two sides of the roller, and the narrow slit extends to the two nicks. The printing media loading apparatus further includes at least a detachable fixing unit, installed in a nick on one of the two sides of the roller for fixing the diameter of the roller.

1 . A printing media loading apparatus, comprising:
 a roller, for loading a printing media;   wherein the roller comprises a narrow slit thereon.   
     
     
         2 . The printing media loading apparatus of  claim 1 , wherein the narrow slit extends to two sides of the roller. 
     
     
         3 . The printing media loading apparatus of  claim 2 , further comprising:
 a detachable fixing unit, installed in the narrow slit on the roller for fixing the diameter of the roller.   
     
     
         4 . The printing media loading apparatus of  claim 2 , wherein there are two nicks respectively on the two sides of the roller, the narrow slit extends to the two nicks, and the printing media loading apparatus further comprises:
 at least a detachable fixing unit, installed in a nick on one of the two sides of the roller for fixing the diameter of the roller.   
     
     
         5 . The printing media loading apparatus of  claim 4 , wherein there are two omega-shaped, C-shaped or T-shaped protrusions on two sides of the detachable fixing unit, and the two protrusions match the nick on one side of the roller. 
     
     
         6 . The printing media loading apparatus of  claim 4 , wherein the detachable fixing unit comprises a detaching hole. 
     
     
         7 . The printing media loading apparatus of  claim 2 , wherein the narrow slit extends along an axial direction of the roller. 
     
     
         8 . The printing media loading apparatus of  claim 1 , being a photo paper loading apparatus.