Read Sharp AR-M351U / AR-M451U (serv.man12) Service Manual online
AR-M351U/M451U, AR-M355U/M455U MAINTENANCE AND DETAILS OF EACH SECTION 7 - 29
(3) Paper detection method of each tray
1) Machine 1st tray
Paper detection is performed by VR in linkage with both side
guides.
guides.
2) Multi-purpose tray
Paper detection is performed by VR in linkage with both side
guides and the detector in linkage with the rear edge plate.
guides and the detector in linkage with the rear edge plate.
For the other than above, the paper size is considered as "Extra."
3) 2nd and 3rd steps of 3-step paper feed tray
Paper detection is performed by the detector in linkage with
the rear edge plate.
the rear edge plate.
Paper size for automatic detection
Paper size
Width detection
pattern
Vertical detection
pattern
B5
C
1
A4
A
2
B5R
G
3
A4R
E
4
Foolscap
D
5
B4
B
6
A3
A
7
LT
B
2
EX-R
F
3
LTR
D
4
LGL
D
6
WLT
B
7
CSS2
CSS1
CSS3
CSS4
Vertical size
detection pattern
Detection SW status
AB series size
Inch series size
Detection width
range
CSS1
CSS2
CSS3
CSS4
1
ON
ON
OFF
ON
B5
EXTRA
147.0 - 198.0
2
OFF
ON
OFF
ON
A4
LT
198.0 - 237.0
3
OFF
ON
ON
ON
B5R
EX-R
237.0 - 274.0
4
OFF
OFF
ON
ON
A4R
LTR
274.0 - 314.0
5
ON
OFF
ON
ON
Foolscap
EXTRA
314.0 - 347.0
6
ON
OFF
ON
OFF
B4
LGL
347.0 - 389.0
7
ON
ON
ON
OFF
A3
WLT
389.0 - 432.8
0
OFF
OFF
OFF
OFF
Tray not installed
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