HP Color LaserJet Enterprise CP4020 Service Manual - Page 387

Table 3-14 Control-panel messages (continued) Description Recommended action 60.04 ERROR Tray 4 is not lifting correctly. 1. Reconnect connector J406 on the paper deck controller PCA and the intermediate connector J21. 2. Run the sensor test in sensor monitor mode to verify that the cassette media stack surface sensor is functioning properly. If it is not, replace the pickup assembly. See Pickup assembly (optional paper feeder) on page 226. 3. Reconnect connector J24 of the lifter motor. Also check J405 on the paper deck controller PCA. 4. If the message persists, replace the lifter drive assembly. See Lifter-drive assembly (optional paper feeder) on page 230. 60.05 ERROR Tray 5 is not lifting correctly. 1. Reconnect the connector J403 on the paper deck controller PCA and the intermediate connector J31. 2. Run the sensor test in the sensor monitor mode to verify that the PD cassette media stack surface sensor is functioning properly. If it is not, replace the middle pickup assembly. See Pickup assembly (optional paper feeder) on page 226. 3. Reconnect the connector J34 of the lifter motor and the connector. Also check J402 on the paper deck controller PCA. 4. If the message persists, replace the lifter drive assembly. See Lifter-drive assembly (optional paper feeder) on page 230. 62 NO SYSTEM The product has an internal problem. Turn the product off and then on. To continue turn off then on 68.X PERMANENT STORAGE FULL To continue press OK The product NVRAM is full. Some settings saved in the NVRAM might have been reset to the factory defaults. Printing can continue, but some unexpected functions might occur if an error occurred in permanent storage. Press the OK button to clear the message. If the message is not cleared, turn the product off, and then turn the product on. X values ● 0 = Internal memory ● 1 = Removable disk ENWW Tools for troubleshooting 355