HP LaserJet M9040/M9050 Service Manual - Page 325
ADF skew error, Scan failure, Check for loose connections
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Table 7-3 Control-panel error messages (continued) Control panel message Description Recommended action ● If the error persists, run a sensors diagnostic test to verify that the skew front and skew back sensors are functioning correctly. ● Verify that the pickup roller, the feed roller assembly, the separation belt assembly, and the registration roller assembly are clean and undamaged. 30.01.11 ADF skew error A skew is detected in the ADF feeder. ● Remove the skewed media in the ADF feeder, and close the ADF feeder. ● Reload the document, and then press Start. ● If the error persists, run the sensors diagnostic test to verify that the skew front and skew back sensors are functioning correctly. ● Verify that J112 on the scanner control board, J701 and J704 on the ADF intermediate PCA, and J801 on the ADF sensor PCA are seated correctly. 30.01.34 Scan failure ● Scanner initialization failed, and the copy- ● processor board (CPB) is not communicating with the scanner-controller board (SCB). ● Verify that the pickup roller, the feed roller assembly, the separation belt assembly, and the registration roller assembly are clean and undamaged. Turn the product off, and then on. Check the scanner controller board LEDs. ● Check the connections to the scanner controller board. 30.1.06 Scan failure The scanner lamp fan has failed. ● Replace the scanner controller board. ● Verify that the product is turned on and that the fan is not functioning. ● Check for loose connections and broken, frayed, or pinched wires. ● Reseat the fan connector on the scanner control board and the connector on the fan. ● Replace the fan. 30.1.07 Scan failure The product has experienced a communication error. ● Print a configuration page to verify that the CPB firmware is loaded. ● Turn the product off, and then disconnect the power cord. ● Connect the power cord, and then turn the product on. ENWW Control-panel error messages 307