User Guide

Paper path sensor tests
This test displays the status of each paper-path sensor and allows viewing of sensor status while printing
internal pages.
1. From the Home screen on the product control panel, scroll to and touch the Administration button.
2. Open the following menus:
●
Troubleshooting
●
Diagnostic Tests
●
Paper Path Sensors
NOTE: Exiting the Paper Path Sensors menu and then reentering it will clear the test values from the
previous test.
Table 2-9 Paper-path sensors
Sensor name Sensor
number
Replacement part
number
Replacement part
description
Paper-path sensor
test name
Top of page sensor SR9 RM2-7538-000CN
(110V)
RM2-7539-000CN
(220V)
High-voltage power
supply
SR9 Top sensor
Fuser output sensor SR12 CF235-67921 (110V)
CF235-67922 (220V)
Fuser assembly SR12 Fuser output sensor
Loop sensor SR 6 RM2-7538-000CN
(110V)
RM2-7539-000CN
(220V)
High-voltage power
supply
SR6 Fuser loop 1 sensor
Duplexer refeed sensor SR2 CF235-67913 Duplexer SR2 Duplexer Refeed
Duplexer switchback
sensor
SR1 CF235-67913 Duplexer SR1 Duplexer switchback
sensor
Output sensor SR3 CF066-67909 Paper delivery assembly SR3 Output sensor
Tray 4 paper feed sensor
(if optional Tray 4 is
installed)
SR1 RM1-9415-000CN Tray 4 paper pick-up
assembly
SR1 Tray 4 feed
ENWW
Tools for troubleshooting
139