e-STUDIO200L/202L/230/232/280/282 FUSER UNIT June 2004 © TOSHIBA TEC
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7) Abnormality detection by the thermistors
The following table shows the conditions judging the fuser roller temperature abnormality and
detecting timing.
* The figures in the “priority” section denote the priority of error checking.
Checking
timing
Priority
Temperature judged
Error-
judging
timing
Error
code
Center
thermistor
Side
thermistor
Edge
thermistor
Power ON 1 230°C or above - - Power ON C440
- 230°C or above -
2 40°C or below 150°C or above - C430
150°C or above 40°C or below -
- 150°C or below 150°C or above
Detecting 40°C 1 230°C or above - - On usual C440
- 230°C or above -
2 40°C or below - - Specified
time
C410
- 40°C or below -
Detecting 100°C 1 230°C or above - - On usual C440
- 230°C or above -
2 40°C or below 150°C or above - C430
150°C or above 40°C or below -
3 100°C or below - - Specified
time
C440
- 100°C or below -
Detecting ready
temperature
1 230°C or above - - On usual C440
- 230°C or above -
2 40°C or below 150°C or above - C430
150°C or above 40°C or below -
- 150°C or above 40°C or below
3 Ready temp. or
below
- - Specified
time
C440
- Ready temp. or
below
During ready sta-
tus / In Energy
Saving Mode
1 230°C or above - - On usual C440
- 230°C or above -
2 40°C or below 150°C or above - C430
150°C or above 40°C or below -
3 40°C or below - - C440
- 40°C or below -
During printing
1
230°C or above - - On usual C440
- 230°C or above -
- - 230°C or above
40°C or below - -
- 40°C or below -
2 - - 40°C or below C450
At paper jam 1 230°C or above - - On usual C440
- 230°C or above -
In Self-diagnosis
Mode
1 230°C or above - - On usual C440
- 230°C or above -
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