HP 4700 HP Color LaserJet 4700 - Software Technical Reference (External) - Page 328
Remote firmware update by using FTP through a browser, Table 7-9 - error codes
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Engineering Details Table 7-8 Troubleshooting a firmware update failure (continued) Reason for firmware update failure Corrective action The upgrade was interrupted. See Table 7-9 Update messages. A flash hardware failure occurred. Although it is extremely unlikely, the product might have a hardware failure. Call technical support to address the problem (see the flyer that came with the product for a local telephone support list). Three messages appear during a normal update process; a fourth (RESEND UPGRADE) appears only if the update process does not succeed. Table 7-9 Update messages Printer message RECEIVING UPGRADE Explanation This message appears from the time the product recognizes the beginning of an .RFU update until the time the product 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 product control panel to indicate that the update was interrupted. PERFORMING UPGRADE This message appears while the product 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 PARALLEL PORT This message appears from the time the product has finished reprogramming the DIMM until the product 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 device becomes is corrupted. Perform another update by any means that is supported by the printer, regardless of the connection (network, parallel, or USB). This message appears (in English only) if the firmware update 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 parallel port of the product. 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. 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. 306 Chapter 7 Engineering Details ENWW