Primary Charge Roller GPR57-PCR GPR35-PCR  Canon iR2625，iR2625i，iR2630，iR2630i，iR2635，iR2635i，iR2645，iR2645i  iR ADVANCE 4525i，iR ADVANCE 4535i，iR ADVANCE 4545i，iR ADVANCE 4551i，iR ADVANCE 4525i II，iR ADVANCE 4535i II，iR ADVANCE 4545i II，iR ADVANCE 4551i II，iR ADVANCE 4525i III，iR ADVANCE 4535i III，iR ADVANCE 4545i III，iR ADVANCE 4551i III  iR ADVANCE 4025，iR ADVANCE 4035，iR ADVANCE 4045，iR ADVANCE 4051，iR ADVANCE 4225，iR ADVANCE 4235，iR ADVANCE 4245，iR ADVANCE 4251 iR2520，iR2525，iR2530，iR2535，iR2545