User Guide

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 ENWW