HP LaserJet M9040/M9050 Service Manual - Page 327
Replace the SCB., Turn the product off, and then on.
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Table 7-3 Control-panel error messages (continued) Control panel message Description Recommended action ● Replace the ADF analog processor PCA. ● Replace the SCB. 30.1.13 Scan failure ● The scanner has experienced an ASIC error. ● ● Replace the ADF optical assembly. Turn the product off, and then disconnect the power cord. Connect the power cord, and then turn the product on. ● Reconnect connector J161 and J162 on the flatbed inverter PCA, and connector J205 on the SCB. ● Reconnect connector J103 on the SCB, J504 and J503 on the flatbed intermediate PCA, J201 and J202 on the flatbed analog processor PCA, and J601 on the flatbed CCD driver PCA. ● Reconnect connector J105 on the SCB, J502 and J501 on the flatbed intermediate PCA, J203 and J204 on the flatbed analog processor PCA, and J602 on the flatbed CCD driver PCA. ● Replace the SCB. 30.1.14 Scan failure ● Replace the flatbed optical assembly. The product has experienced an EEPROM ● Replace the SCB. error. 30.1.15 Scan failure A condition has prevented the scan engine ● Verify that all covers are installed from initializing. correctly and that the ADF and the ADF feeder are closed. ● Turn the product off, and then on. ● If the error persists, run the sensors diagnostic test to verify that the sensors are functioning correctly. ● Check the LED status on the control panel. Follow the troubleshooting instructions if the LEDs are not in the ready state. 30.1.16 Scan failure The product has detected incorrect ADF width sensor values. ● Calibrate the ADF width sensor. 30.1.18 Scan failure The product has experienced an ASIC error. ● ● Turn the product off, and then disconnect the power cord. Connect the power cord, and then turn the product on. ● Check connections to the SCB. ENWW Control-panel error messages 309