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© February 2007 TOSHIBA TEC CORPORATION All rights reserved
e-STUDIO167/207/237
FUSER / EXIT UNIT
13 - 11
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
On usual
1
230°C or above
-
-
On usual
C44
-
230°C or above
-
-
-
230°C or above
Detecting 40°C
1
40°C or below
-
-
Specified
time
C41
-
40°C or below
-
Detecting 100°C
1
100°C or below
-
-
Specified
time
C44
-
100°C or below
-
2
40°C or below
150°C or above
-
On usual
C43
150°C or above
40°C or below
-
Detecting warm-
ing-up tempera-
ture
1
Warming-up temp.
or below
-
-
Specified
time
C44
-
Warming-up temp.
or below
-
2
40°C or below
150°C or above
-
On usual
C43
150°C or above
40°C or below
-
-
150°C or above
40°C or below
During ready sta-
tus
1
40°C or below
150°C or above
-
On usual
C43
150°C or above
40°C or below
-
-
150°C or above
40°C or below
2
40°C or below
-
-
C44
-
40°C or below
-
During copying
1
40°C or below
-
-
On usual
C44
-
40°C or below
-
2
-
-
40°C or below
C45