Basic Sequence Of Operations (Scanner) - Canon NP7160 Service Manual

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.
Power switch
Sequence
Scanner motor (M2)
Scanner home position
sensor (PS1)
Scanning lamp (LA1)
3–8
COPYRIGHT © 1998 CANON INC.
Start key
ON ON
WMUP INTR
AER
Figure 3-303
CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
SCFW SCRV SCFW
FW RV
SCRV LSTR STBY