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Chapter 6 Principles of Operation
6-327
1.3.10 Fixing
In the fixing process, toner is fixed on the paper by heat and pressure.
✧ Finished toner image transferred from the belt is easily broken only by touching it with fingers. The
toner image is fixed on the paper with the FUSER ASSY (fixing unit).
The toner melts by heat of the HEAT ROLL with the Heater lamp as the heat source and is deposited
on the paper under pressure given by the belt opposed against the heat roll.
Pad
Sheet
Frame Belt
Belt
Spring Nip
Felt
Nip Head
Heat Roll
Paper
Not fixed toner
Fixed toner
engine principle0021FA
Heater Lamp