Sharp AR-M550U - Each Paper Feed Tray Paper Size Detection Method; Operational Descriptions; Paper Size Detection

AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 22
B. Operational descriptions
(1) Each paper feed tray paper size detection method
a. Multi-purpose paper feed tray (Tray 3), paper feed tray (Paper
feed tray 4)
1) Paper width detection
The paper width is calculated with the VR voltage value (A/D con-
version value) linked with the side guide plate.
Paper width and paper size (set in the range of standard value
±6 [mm]).
2) Paper size detection
The paper size detection is made by the combination of the cas-
sette paper size detector 1 to 4.
Relationship Between Paper Size and Detection by the Paper Size Detector
3) Combination of size detection
Width size
detection pattern
Paper size
Standard
value [mm]
Range [mm]
A A3/A4 297.0 303.0 - 291.0
B WLT/LT 279.4 285.4 - 273.4
C B4/B5 257.0 263.0 - 251.0
D LG/LTR/Foolscap 215.9 221.9 - 209.9
E A4R 210.0 216.0 - 204.0
F Exective-R 184.1 190.1 - 178.1
G B5R 182.0 188.0 - 176.0
CSS2
CSS1
CSS3
CSS4
Vertical size
detection pattern
Detection SW status
AB size Inch size
Width of detection
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 Paper feed tray not attached
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