HP M5025 Service Manual - Page 113
action required for each situation.
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Table 3-21 Troubleshooting a firmware update Cause Result The job was cancelled from the control panel. No update has occurred. A break in the I/O stream occurred during send (for example, No update has occurred. the USB cable was removed). A power cycle occurred during the RECEIVING UPGRADE No update has occurred. process. A power cycle occurred during the PERFORMING UPGRADE process. No update has occurred. Resend the update through a USB port. A power cycle occurred during the INITIALIZING process. The update has been completed. Print jobs that are sent to the device while an update is in process do not interrupt the update. All HP LaserJet devices leave the factory with the most recent firmware version installed. If a remote firmware update fails in an MS Windows operating system, the .RFU file must be resent. If a remote firmware update fails in a Macintosh operating system, contact the Customer Care Center. The following table lists possible reasons for the failure of a remote firmware update and the corrective action required for each situation. Table 3-22 Troubleshooting a failed firmware update Reason for firmware update failure The .RFU file is corrupted. The wrong device is contained in the .RFU file. The upgrade was interrupted. A flash hardware failure occurred. Corrective action The device recognizes that the file is corrupted and rejects the update. Download the file again and send the new file to the device. The device recognizes the printer mismatch and rejects the update. Download the correct file and send it to the device. See Table 3-23 Update messages on page 83. Although it is extremely unlikely, the device might have a hardware failure. Call technical support to address the problem (see the flyer that came with the device for a local telephone support list). Three messages appear during a normal update process; others appear only if the update process fails. Table 3-23 Update messages Printer message RECEIVING UPGRADE Explanation This message appears from the time the device recognizes the beginning of an .RFU update until the time the device has verified the validity and integrity of the .RFU update. NOTE If the remote firmware update process is interrupted before the firmware is downloaded (while RECEIVING UPGRADE appears on the control-panel display), the firmware file must be sent again. No message appears on the device control panel to indicate that the update was interrupted. PERFORMING UPGRADE This message appears while the device is actually reprogramming the firmware. ENWW Remote firmware updates 83