Tray 3 paper size sensors (SW2 and SW3)
NOTE: These switches also detect cassette presence. If these switches fail, the message Tray <X>
open could appear on the control-panel display.
1. Remove the tray. From inside the tray cavity, push any of the switch buttons (callout 1).
TIP: You can test these sensors by opening, and then closing the tray.
Figure 3-20 Test Tray 3 paper size sensors
1
2. Check the control-panel display for sensor response.
3. If no response, replace the lifter drive assembly.
308 Chapter 3 Solve problems ENWW