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CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS
COPYRIGHT
©
1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
7-2
Figure 7-102
I: If 6-cpm copying speed control is executed starting with the first copy, the fan will rotate.
STBY INTR
SCFW
Forward
SCFW
SCRV
Reverse
LSTR
STBY
Main motor (M1)
Scanner cooling fan (FM1)
Scanner
Heat exhausting fan
I
SCRV
Power switch
ON
Copy Start key
ON
The scanner cooling fan (FM1) is turned on and off according to the temperature detected by
the scanner thermistor (TH2).
If the reading by the thermistor is 37.5°C or higher and the copying speed reaches 6 cpm, the
fan starts to rotate. If the reading is lower than 37.5°C, on the other hand, the fan will not rotate if
no more than one copy is made or while making the first copy of a continuous copying job. (It
rotates when making the second and subsequent copies of a continuous copying job.)