User Guide

Table 2-10 Manual sensor tests (continued)

Sensor or switch

name

Sensor

number

Replacement part

number

Description Paper-path sensor

test name

Testing of sensor

Duplex switchback

sensor

SR1 CN Duplexer switchback

sensor

SR1 Duplexer

switchback sensor

Remove the duplexer,

insert a sheet of paper

so that it covers the

switchback sensor, and

then reinstall the

duplexer.

Tray 4 feed sensor

(Optional 500-sheet

feeder only)

SR1 CN Tray 4 feeder sensor SR1 Tray 4 feed Open the lower right

door, and use a small

flat-blade screwdriver

to activate the sensor.

Output sensor SR3 CN Output sensor SR3 Output sensor Open the left door and

press the sensor lever..

ENWW

Tools for troubleshooting

109