AcuLaser C2800/C2800D/C3800/C3800D
Revision C
OPERATING PRINCIPLES
Main Structures and Functions
47
Confidential
2.5.4 Transfer Belt & Fuser
2.5.4.1 Part Names and Functions
FUSER UNIT
The FUSER UNIT fixes the unsteady toner on paper by heat and pressure, and also
transfers the paper before and after the fixing.
The FUSER UNIT mainly consists of the components shown below:
Exit Sensor
Detects the current position of the fixed paper based on the changes in
position of the Actuator.
Thermostat
Interrupts the Heater Lamp circuit in the Heat Roll when temperature of the
Heat Roll exceeds predetermined level.
Temp. Sensor (NCS: Non-contact temp sensor, STS: Soft touch sensor)
NCS (non-contact):
Monitors surface temperature of Heat Roll and turns
on/off Heater Lamp.
STS (contact):
Monitors surface temperature of Heat Roll and
interrupts the power supply to Heater Lamp when the
temperature rises too high.
TRANSFER UNIT
The TRANSFER UNIT mainly consists of the components shown below:
Figure 2-23. Transfer Belt & Fuser
Heat Roll
Pressure Belt
Heater Lamp
Exit Roll
Thermostat
Exit Sensor
Temp. Sensor (NCS:
Non-contact temp sensor
, STS: Soft touch sensor)
C H E C K
P O I N T
When total number of printed pages exceeds preset value, FUSER
UNIT needs to be replaced.
Transfer Belt
ADC Sensor
ADC Solenoid
Roll ESA
Содержание AcuLaser C2800D
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Страница 30: ...Confidential C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 76: ...Confidential C H A P T E R 3 TROUBLESHOOTING ...
Страница 159: ...Confidential C H A P T E R 4 DISASSEMBLY REASSEMBLY ...
Страница 381: ...Confidential C H A P T E R 5 ADJUSTMENT ...
Страница 389: ...Confidential C H A P T E R 6 MAINTENANCE ...
Страница 395: ...Confidential C H A P T E R 7 APPENDIX ...