2.1.2 Size sensing mechanism
The size of the paper set in the paper tray is detected by
shielding photointerrupters with actuators screwed to the
paper guide post and the back fence.
Sensor A3 B4 A4 B5 DLT LT LG
Width 1 • o o • • • o
Width 2 • • o • • o •
Width 3 • • • o • o •
Length • o • • • • •
• Non-interrupt o Interrupt
NOTE
Paper Size Units: mm (inch)
A3 297 x 420
B4 257 x 364
A4 210 x 297
B5 182 x 257
DLT 279 x 432 (11" x 17")
LT 216 x 279 (81/2" x 11")
LG 216 x 356 (81/2" x 14")
Paper guide post
Back guide
Back guide
sensor actuator
Paper length sensor
Paper width sensor
Sensor 1
Sensor 2
Sensor 3
Guide post sensor
actuator
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