HP CP4525DN Laser CC494A#ABA Tray 3 paper present sensor, Tray 3 feed sensor, Tray 4 feed sensor

S Tray 3 paper present sensor

See P Tray 2 paper present sensor on page 262.

T Tray 3 feed sensor

1.Remove the tray.

2.Insert a piece of paper between the rollers to activate the feed sensor.

TIP: Use stiff paper when performing this test (for example a business card or index card).

Figure 3-23Test the Tray 3 feed sensor

3.Check the control-panel display for sensor response.

4.If no response, replace the cassette-pickup assembly. See Tray-pickup assembly on page 180.

U Tray 3 paper surface 1 and 2 sensors

See Q Tray 2 paper surface 1 and 2 sensors on page 263.

V Tray 3 paper size switches

See R Tray 2 paper size switches on page 264.

W Tray 4 paper present sensor

See P Tray 2 paper present sensor on page 262.

X Tray 4 feed sensor

See T Tray 3 feed sensor on page 265.

Y Tray 4 paper surface 1 and 2 sensors

See Q Tray 2 paper surface 1 and 2 sensors on page 263.

ENWW Tools for troubleshooting 265