Canon DADF-AV1 Service Manual page 30

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The following table shows the relationship among length detection sensor signals, document widths, and initial document sizes.
Document width detection
Width (mm)
Document
width sensor
1 (SR13)
143.9 or less OFF
More than
OFF
143.9 and
165.0 or less
More than
OFF
165.0 and
196.0 or less
More than
ON
196.0 and
213.9 or less
More than
ON
213.9 and
236.5 or less
More than
ON
236.5 and
263.5 or less
More than
ON
263.5 and
288.2 or less
SR15
Document
Document
width sensor
width sensor
2 Document
3 (SR15)
(SR14)
OFF
OFF
ON
ON
OFF
ON
OFF
ON
ON
ON
OFF
OFF
ON
OFF
SR8
SR14
Document length detec-
tion
Document
Document
length sensor
length sen-
1 (SR7)
sor 2 (SR8)
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
24
2. Technical Explanation
SR7
SR13
Detected size
AB
INCH
AB/INCH
-
-
STMTR
-
-
STMTR
-
-
STMTR
-
STMTR
STMTR
-
-
A5R
-
-
A5R
-
-
A5R
A5R
-
A5R
-
-
B5R
-
-
B5R
B5R
-
B5R
B6
-
B6
-
-
A4R
-
-
A4R
A4R
-
A4R
A5
-
A5
-
LGL
LGL
-
-
LGL
-
LTRR
LTRR
-
STMT
STMT
B4
-
B4
-
-
B4
-
-
B4
B5
-
B5
-
11 × 17
11 × 17
-
11 × 17
11 × 17
-
11 × 17
11 × 17
-
LTR
LTR
AB/K
A5R
A5R
A5R
A5R
A5R
A5R
A5R
A5R
B5R
B5R
B5R
B6
A4R
A4R
A4R
A5
A4R
A4R
A4R
A5
B4
B4
B4
B5
K8
K8
K8
K16

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