US 7,587,161 B2
Fixer and image forming apparatus
Hiroshi Yamada, Numazu (Japan); Junichi Awamura, Numazu (Japan); Tomomi Suzuki, Numazu (Japan); Hiroto Higuchi, Machida (Japan); Naohito Shimota, Numazu (Japan); Masami Tomita, Numazu (Japan); Fumihiro Sasaki, Fuji (Japan); and Toshiki Nanya, Mishima (Japan)
Assigned to Ricoh Company, Ltd., Tokyo (Japan)
Filed on Aug. 02, 2005, as Appl. No. 11/194,589.
Claims priority of application No. 2004-226198 (JP), filed on Aug. 02, 2004; application No. 2004-271385 (JP), filed on Sep. 17, 2004; application No. 2004-272161 (JP), filed on Sep. 17, 2004; and application No. 2004-272595 (JP), filed on Sep. 17, 2004.
Prior Publication US 2006/0024097 A1, Feb. 02, 2006
Int. Cl. G03G 15/20 (2006.01)
U.S. Cl. 399—327  [399/328; 399/329] 31 Claims
OG exemplary drawing
 
1. A fixer fixing a toner comprising a binder resin and a colorant on a recording medium upon application of at least one of heat and pressure, comprising:
a fixing member configured to fix the toner on the recording medium;
a pressurizing member configured to pressurize the toner thereon;
a cleaning member configured to collect the toner from the fixing member or the pressurizing member onto the cleaning member; and
a feeder configured to feed a reactive material to the cleaning member, wherein the reactive material is a material that reacts with the toner to increase the storage modulus of the toner on the cleaning member, wherein the reactive material is a metallic compound,
wherein a storage modulus of the toner collected on the cleaning member is larger than a storage modulus thereof before fixed.