TOP (top-of-page) sensor (SR9)
1.
Open the cartridge door, and then remove the toner cartridge.
2.
Raise the registration shutter.
3.
Use a small screwdriver to activate the top sensor.
Figure 2-10
Test the top sensor
4.
Check the control-panel display for sensor response.
5.
If there is no response, replace the high-voltage power supply (HVPS).
146
Chapter 2 Solve problems
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Summary of Contents for LASERJET ENTERPRISE MFP M725dn
Page 1: ...LASERJET ENTERPRISE MFP M725 Troubleshooting Manual M725z M725dn M725f M725z ...
Page 2: ......
Page 3: ...HP LaserJet Enterprise MFP M725 Troubleshooting Manual ...
Page 6: ...iv Conventions used in this guide ENWW ...
Page 32: ...xxx ENWW ...
Page 142: ...110 Chapter 1 Theory of operation ENWW ...
Page 457: ...4 Close the fuser jam access cover 5 Close the fuser door ENWW Clear jams 425 ...
Page 475: ...1 Lift the document feeder latch 2 Open the document feeder cover ENWW Clean the product 443 ...
Page 516: ...484 Appendix A Service and support ENWW ...
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