Patent ID: 6947698

Claim:
A fixing apparatus of an electrophotographic printer comprising: a pair of fixing rollers which presses each other, wherein a medium carrying non-fixed toner image thereon passes through between the rollers, thereby to fix the non-fixed toner image onto the medium, a supplying unit for supplying a amino group-containing silicone oil lubricant for fixing to at least one of the fixing rollers, wherein the at least one of the fixing rollers includes a fixing roller contacting a non-fixed toner image; wherein the amino group-containing silicone oil lubricant for fixing has a viscosity at 25° C. of 10˜5000 cs and comprises a mixture of a compound of formula (1) and a compound of formula (2), the mixing ratio by weight of the compound of formula (1): the compound of formula (2) being 90:10 to 99.5:0.5, wherein A represents (CH 2 ) 3 NH 2 ; b is positive number; and c is more than 1,000.