4. Insert a piece of paper to activate the top sensor.
Figure 7-5 Test the top sensor
5. Check the control-panel display for sensor response.
6. If no response, replace the registration assembly.
B and C loop sensors
1. Open the right door.
2. Lower the secondary transfer assembly.
3. Slowly insert a piece of paper to activate the B and C loop sensors underneath the fuser.
Figure 7-6 Test the loop sensors
326 Chapter 7 Solve problems ENWW