Paper Path Sensor Tests; Table 2-9 Paper-Path Sensors - HP LASERJET ENTERPRISE M725dn Troubleshooting Manual

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