Canon F-1, Service Manual

Page: 56 / 179

2
2
2-43
2-43
Technology > Controls > DADF > Original Size Detection
Technology > Controls > DADF > Original Size Detection
b. Inch Type
(Unit: mm)
Original width
volume (VR)
AB/Inch
identification
sensor (SR7)
LTR-R/LGL
identification
sensor (SR8)
Post-
separation
sensor
(PCB3)
Measurement
value in feed
direction
Detected size
Width > 289
- - ON - LDR
- - OFF - LTR
289 =/> width >
272
- - ON - LDR
- - OFF - LTR
272 =/> width >
247
- - ON - LDR
- - OFF - LTR
247 =/> width >
200
- - ON - LGL
- - OFF length =/> 209 LTR-R
- - OFF length < 209 STMT
200 =/> width >
172
- - ON - LGL
- - OFF length =/> 209 LTR-R
- - OFF length < 209 STMT
172=/> width - - - - STMT-R
T-2-21
c. AB/ Inch mixed
(Unit: mm)
Original width
volume (VR)
AB/Inch
identification
sensor (SR7)
LTR-R/LGL
identification
sensor (SR8)
Post-
separation
sensor
(PCB3)
Measurement
value in feed
direction
Detected size
width > 289
- - ON - A3
- - OFF - A4
289 =/> width >
272
- - ON - LDR
- - OFF - LTR
272 =/> width >
247
- - ON - B4
- - OFF - B5
247 =/> width >
200
OFF - - length =/> 222 A4-R
OFF - - length < 222 A5
ON - ON - LGL
ON - OFF length =/> 209 LTR-R
ON - OFF length < 209 STMT
200 =/> width >
172
- - - - B5-R
172 =/> width >
138.5
OFF - - - STMT-R
ON - - - A5-R
138.5 =/> width
- - - length =/> 200 STMT-R
- - - length < 200 B6-R
T-2-22