Table 7-5. Alphabetical Printer Messages (continued) Control Panel Message Event Log Message Explanation Recommended Action TRAY X EMPTY The specified tray is empty, but the current job does not need this tray in order to print correctly. If this message appears and the tray contains paper, a sensor could be damaged. PS101 detects paper in Tray 2. PS105 detects paper in Tray 1. PS107 detects paper in Tray 3 (HP LaserJet 4050 T/4050 TN). PS801 detects paper in the optional 500-sheet feeder. PS901 detects envelopes in the Envelope Feeder. See Figure 7-29 on page 7-102 for sensor locations. 1. Load the empty tray ( x ) to clear the message.
If you do not load the specified tray, the printer will continue printing from the next available tray, and the message will continue to display. 2. Inspect the tray for damaged tabs. 3. Check Sensor Arm Flags for damage and be sure they move freely. 4. Replace any defective sensors. 7-26 Troubleshooting