Filter
Top Products
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS
7–6
COPYRIGHT
©
1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
3. Mirror Heater, Cassette/Drum Heater, and Accessory Cassette Heater
The following three heaters are made available as accessories to the copier, designed to
prevent condensation of the scanner and the drum and to keep paper inside the cassette dry.
Table 7-201 shows the function of each heater. Figure 7-202 shows the timing at which each
heater turns on.
Notation Name
Function
H2
Mirror heater Prevents condensation on the scanner.
Prevents condensation on the drum and keeps copy paper dry.
Keeps copy paper dry.
H3
Cassette/Drum heater
H4
Accessory cassette heater
Table 7-201
Sequence
Power switch
ON
Power switch
OFF
Start key
ON
WMUP WMUPR STBY INTR SCFW SCRV LSTR STBY
Mirror heater (H2)
Cassette/Drum heater (H3)
Accessory Cassette heater (H4)
Figure 7-202
Each heater is supplied with power when the copier’s power switch is turned off. The mirror
heater and the cassette/drum heater and the accessory cassette heater may be deprived of power
by turning off the heater switch (SW1).
4. ADF and Sorter
For the ADF and the sorter, the copier’s power supply PCB supplies AC power to the
accessory power supply PCB, which generates DC power.