Epson AcuLaser C9200N Service Manual page 80

EPSON AcuLaser C9200N
FUSING TEMPERATURE CONTROL
When with Plain paper, A4 paper (horizontal), single-side 5 sheets, or when
above the specified temperature inside the printer with the Main Power Switch
turned ON
Warm-up Completed
Power Switch ON Start Key ON
[1] [2]
200
0
*110 sec.
Note * : When turning the Sub Power ON from the stable condition of Main Power ON/
Sub Power OFF with rated voltage.
Table 2-7. Fusing Temperature Control
No.
Warming-up the unit
(Above the specified temperature when the Power is turned ON)
[1]
Warming-up
(Below the specified temperature when the Power is turned ON)
[2] In standby state
[3] Printing
[4] In standby state
[5] Low-power mode
OPERATING PRINCIPLES
Downloaded from www.Manualslib.com
Printing
complete Standby mode
[3] [4] [5]
4038T2C144AA
Status
Operating Principle of Main Unit Mechanism
manuals search engine
TEMPERATURE CONTROL IN THE LOW-POWER MODE
It adjusts the temperature by turning the controlled temperature down to reduce
the power consumption in standby.
Table 2-8. Control target temperature
Name
Heating Roller Thermistor/1
Fusing Pressure Roller Thermistor/1
PROTECTING FROM THE ABNORMALLY HIGH TEMPERATURE
The machine provides protection against abnormally high temperature of the
Fusing Unit in the following three steps.
Table 2-9. Protection against abnormally high temperature
Step Name
Step 1 Software Protection
Step 2 Hardware Protection
Step 3 Thermostat Protection
DETECTION OF A NEW FUSING UNIT
When the new Fusing Unit is replaced, the new one is detected in the
engine side and the life counter value is automatically reset.
The new Fusing Unit will be detected when the door is closed and the Main
Power Switch is turned ON.
Revision D
Control target
Symbol
temperature
TH1 140 °C
TH2 140 °C
Control target temperature
This protection operates when abnormally high
temperature is detected.
Move to the protection in step 2 when the protection
in step 1 is not executed.
Move to the protection in step 3 when the protection
in step 2 is not executed
Confidential
80