HP CP4005n HP Color LaserJet CP4005 Printer - Software Technical Reference (ex - Page 272
Remote firmware update by using FTP through a browser, Table 7-4 - error codes
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Engineering Details Table 7-3 Update messages (continued) Device message Explanation PERFORMING UPGRADE This message appears while the printer is actually reprogramming the firmware. NOTE If power is lost during the flash DIMM update (while PERFORMING UPGRADE appears on the control-panel display), the update is interrupted and the message RESEND UPGRADE appears on the control-panel display. INITIALIZING RESEND UPGRADE RFU LOAD ERROR SEND RFU UPGRADE ON USB PORT This message appears from the time the printer has finished reprogramming the flash until the printer reinitializes. This message appears (in English only) if the firmware update fails because the RFU process is interrupted. It can also occur if firmware for accessories (such as the duplex unit or an output printer becomes is corrupted. Perform another update by any means that is supported by the printer, regardless of the connection (network or USB). This message appears (in English only) if the firmware update of the formatter fails because the print-engine firmware is corrupted. If this message appears, the update must now be sent only by a computer that is attached to the USB port of the printer. NOTE To verify that the firmware update succeeded, print a new configuration page from the control panel and verify that the firmware date code on the configuration page has changed. The following table lists possible reasons for the failure of a remote firmware update and the corrective action required for each situation. Table 7-4 Troubleshooting a firmware update failure Reason for firmware update failure The .RFU file is corrupted. The wrong printer is contained in the .RFU file. The upgrade was interrupted. A flash hardware failure occurred. Corrective action The printer recognizes that the file is corrupted and rejects the update. Download the file again and send the new file to the printer. Download the file from www.hp.com/go/ljcp4005_firmware. The printer recognizes the printer mismatch and rejects the update. Download the correct file and send it to the printer. Download the file from www.hp.com/go/ ljcp4005_firmware. See Table 7-3 Update messages on page 253. Although it is extremely unlikely, the printer might have a hardware failure. Call technical support to address the problem (see the flyer that came with the printer for a local telephone support list). Remote firmware update by using FTP through a browser Complete the following steps to update the product firmware by using file transfer protocol (FTP) through a browser. 254 Chapter 7 Engineering Details ENWW