User's Manual
3–8
COPYRIGHT
©
1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 3 EXPOSURE SYSTEM
D. Basic Sequence of Operations (scanner)
The scanner is moved forward over a distance determined by the microprocessor based on
the selected paper size, reproduction ratio, and copying mode.
The microprocessor computes the dimensions of the original in reference to the selected
paper size and reproduction ration to determine how much the scanner should be moved forward.
Figure 3-303
Start key
ON
Power switch
ON
WMUP
FW RV
STBY
LSTRSCRVSCFWSCRVSCFWINTR
AER
Sequence
Scanner motor (M2)
Scanner home position
sensor (PS1)
Scanning lamp (LA1)