Canon F-1, Service Manual

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2
2
2-20
2-20
Technology > Controls > Reader > Original size detection
Technology > Controls > Reader > Original size detection
● Original size detection position
In main scanning direction, the machine moves the scanner unit to the following position in
reference to the original position and measures the reading sensor level of each detection
position. In sub scanning direction, original size is identified by the following sensors.
A5
A5-R
A4-R
A4 A3
B4
B5
B5-R
20 mm
30.0 mm
146.0 mm
169.0 mm
178.0 mm
197.0 mm
206.0 mm
Original
size sensor 1 (CF1)
B6
0 mm 239.5 mm
244.0 mm
253.0 mm
284.0 mm
293.0 mm
Original
push-on
position
Scanner unit
original detection
position
16K 8K
264.0 mm
267.0 mm
F-2-42
STMT-R
LETTER_R LEGAL
LETTER LEDGER
30.0 mm
126.7 mm
135.7 mm
211.9 mm
STMT
266.4 mm
275.4 mm
Original
size sensor 2 (CF2)
Scanner unit
original detection
position
20 mm
0 mm 311 mm
Original
push-on
position
F-2-43