21-5.
Fusing Unit Cleaning Mechanism
(1)
Fusing Oil Application Mechanism
• Oil is applied to the Fusing Belt to prevent offset and ensure better paper separation.
• Toner sticking to the Fusing Belt is removed with the Web by way of the Oil Donor Roller.
Oil Donor Roller
Fusing Belt
(2)
Oil Coating Roller
• The Oil Coating Roller cleans the Lower Fusing Roller, prevents offset, and ensures bet-
ter paper separation.
Backup Roller
4004M052AA
M-91
Web
4004M047AA
Oil Coating Roller
Lower Fusing Roller