2-14 Phaser 5500 Printer Service Manual
Paper Feed Sensors
The diagram below identifies the remaining paper feed sensors in the Printer,
1000-Sheet and 2000-Sheet Feeders.
Paper Size Sensing
Trays 2 through 5 automatically sense the standard size media loaded in the printer by
using the paper size sensors mounted on the back of the tray frame. When paper is
loaded in the tray and the paper guides are adjusted, the levers on the bottom of the
trays change the size sensor actuator locations.
Actuating different combinations of the paper size sensors produces different
combinations of high and low signals. These signals identify what size of paper has
been loaded and what to display on the Front Panel. Also, any actuation of the paper
size sensor signals the Engine Logic Board that the tray is present and closed.
Paper Size
Switch
F/O Sensor #4
s5500-586
F/O Sensor #6
F/O Sensor #5
Pre Feed
Sensor
Registration
Sensor
Exit 2 Exit Sensor
Fuser Exit Sensor
Feed Out Sensor #3
Duplex Wait Sensor
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