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HP LaserJet 2300, 4200, 4250, 4300, and 4350 Series Printers - Remote Firmware Upgrade

Introduction
The HP LaserJet 2300, 4200 and 4300 series printers feature a remote firmware update capability. The method for downloading remote firmware updates from the Web site is similar to that used to download the latest printing-system software and printer drivers.
 note:
Firmware for an embedded Jetdirect print server, an embedded print server, or a Jetdirect Inside print server will update when the printer firmware is updated.
The process for remotely upgrading printer firmware involves three steps:
  1. Determine the current level of firmware installed on the HP LaserJet 2300, 4200 or 4300.
  2. Go to Drivers & Downloads and download the latest firmware.
  3. Download the new firmware to the printer.
     warning:
    The printer control panel must not be locked in order for the download upgrade to work properly.
Determining the current level of firmware
To determine the current level of firmware, view the Configuration page.
  1. Press the (Select) button to open the menus.
  2. Press the (Up Arrow) and (Down Arrow) buttons to scroll to INFORMATION, and then press the (Select) button.
  3. Press the (Up Arrow) and (Down Arrow) buttons to scroll to PRINT CONFIGURATION.
  4. Press the (Select) button to print the Configuration page.
  5. Look in the Configuration page section marked "Printer Information" for the Firmware Datecode. The firmware date code will look something like this: 20020702 03.002.0
Downloading the new firmware from the HP Web site
The remote firmware update (.RFU) file and an associated readme file are packaged together as a self-extracting .EXE file. For detailed instructions about how to download the .EXE file, go to one of the following Web sites:
 note:
As firmware updates are made available, this information may be found on the following sites. (At the site, select the printer, then, on the following page, select Cross operating system.)
The .EXE file consists of a readme file and the .RFU file.
Downloading the new firmware to the printer
 warning:
The printer control panel must be unlocked before performing the firmware update. If the printer is locked through Web Jetadmin, unlock the control panel before following the update steps below.
An .RFU update can be sent to a printer as long as the printer is in "ready" state; the printer will wait for all input/output (I/O) channels to become idle before performing the update.
 note:
The firmware update involves a change in the format of nonvolatile random-access memory (NVRAM). Any menu settings changed from the default settings will return to default settings, and must be changed again if the user wants settings different from the defaults. Examples of settings affected in this way are tray types, default symbol sets, and Web access alerts.
The elapsed time for an update depends on the I/O transfer time, as well as the time that it takes for the printer to reinitialize. The I/O transfer time depends on a number of things, including the speed of the host computer sending the update, the I/O method (Fast InfraRed Connect [FIR], parallel, or network). The re-initialization time will depend on the specific hardware configuration of the printer, such as the number of EIO devices installed, the presence of external paper-handling devices, and the amount of memory installed.
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 resent. If power is lost during the flash DIMM update (while UPGRADING PRINTER appears on the control-panel display), the update is interrupted and the message RESEND UPGRADE appears (in English only) on the control-panel display. The update must now be sent only by a computer attached to the parallel port of the printer.
 warning:
REFRAIN FROM SENDING PRINT JOBS TO THE PRINTER WHILE THE PRINTER IS UNDERGOING THE FIRMWARE UPDATE.
Finally, any print jobs ahead of the .RFU job in the queue will be printed before the update is processed.
 note:
The printer automatically power cycles after processing the update.
Use one of the following methods to update the printer.
Remote firmware update through a local Windows port
 warning:
The printer control panel must be unlocked before performing the firmware update. If the printer is locked through Web Jetadmin, unlock the control panel before following the update steps below.
Windows XP
The .RFU file can be sent directly to the printer with a COPY command from a command prompt or MS-DOS window.
Type the following: copy /b FILENAME PORTNAME , where FILENAME is the name of the .RFU file and PORTNAME is the name of the appropriate printer port (such as LPT 1).
Remote firmware update through a Windows network
 warning:
The printer control panel must be unlocked before performing the firmware update. If the printer is locked through Web Jetadmin, unlock the control panel before following the update steps below.
If the printer is shared on a Windows network, then the following command can be issued from a command prompt or MS-DOS window.
Type the following: copy /b FILENAME \\<COMPUTERNAME>\<SHARENAME>
Where FILENAME is the name of the .RFU file, <COMPUTERNAME> is the name of the computer from which the printer is being shared, and <SHARENAME> is the printer share name (do not type the angle brackets).
The message ONE FILE COPIED SUCCESSFULLY appears on the computer screen.
Remote firmware update for UNIX (R) systems
 warning:
The printer control panel must be unlocked before performing the firmware update. If the printer is locked through Web Jetadmin, unlock the control panel before following the update steps below.
Any method that delivers the .RFU file to the printer will work, including the following.
Type the following: $cp /home/yourmachine/FILENAME/dev/parallel
Where /home/yourmachine/FILENAME contains the .RFU file.
Shared network connection using the "put" command and drag and drop onto the command prompt window
 warning:
The printer control panel must be unlocked before performing the firmware update. If the printer is locked through Web Jetadmin, unlock the control panel before following the update steps below.
If the HP LaserJet 2300, 4200 or 4300 series printer uses a direct network connection, you can use file transfer protocol (FTP) to update the HP LaserJet firmware. Complete the following steps.
  1. First, have the downloaded and extracted RFU file available.
  2. Click Start then Run.
  3. Type ftp followed by a space then the IP address of the printer and then click OK. For example, ftp 15.39.115.36 and click OK or press the Enter key on the keyboard.
  4. Now press the Enter key on the keyboard twice to log into the ftp session..
  5. Type the word "put" (without quotes) and then a space, see the Figure below.
    Figure : Command prompt open ready to drag and drop RFU
  6. Now just drag and drop the RFU file onto the command prompt window. The put command will autocomplete the path and filename.
  7. The printer will now perform the firmware upgrade.
The download process begins and the firmware is updated on the printer. This can take about five minutes. Let the process finish without further interaction with the printer or computer.
The printer automatically power cycles off and on again to activate the update.
Single printer upgrade using Web Browser and FTP (works with Internet Explorer versions 5.X and greater)
 note:
Before Internet Explorer will work as an FTP client one setting needs to be changed. See the Figure below, call-out 1, theEnable folder view for FTP sites box needs to be checked. This option is located in Internet Options, on theAdvanced tab. This is accessible either through Start, Settings,Control Panel,Internet Options, thenAdvanced or from within Internet Explorer by clickingTools, Internet Options ,thenAdvanced.
Figure : Internet Options in Internet Explorer
First, follow the instructions in this document to download the firmware image file.
  1. Locate the downloaded file and run the .EXE (executable file) to extract the downloaded files. The following uses the HP LaserJet 9000 as an example. Two files will be created in a folder by default called lj9000; one is the .RFU file, which is the new firmware file, and the other is a README file, which explains how to download it to the printer. The following instructions are taken from this README file.
  2. Open a Windows Explorer window and navigate to the folder containing the .RFU (firmware upgrade) file.
  3. In the URL address window type the letters FTP then the IP address of the printer. For example, type FTP://192.168.0.1.
  4. Click the GO button in Internet Explorer or press the Enter key on the keyboard.
  5. Now drag the .RFU file from the Windows Explorer window to the window in Internet Explorer (the windows where Web pages are normally displayed).
  6. The printer control panel should now display the message performing upgrade.
Direct network connection using FTP via Command Prompt window
Details on the firmware and how to flash the firmware to the printer can be viewed in the READMEFW.TXT file from the software download Web site.
  1. Download the firmware image file, within this document, for the appropriate model.
  2. Locate the downloaded file and run the .EXE (executable file) to extract the downloaded files. Two files will be created in a folder by default called <ljxxxx>, where x is the model number of the printer; one is the .RFU file, which is the new firmware file, and the other is a README file, which explains how to download it to the printer. The following instructions are taken from this README file.
  3. If the printer is connected directly through the network to an HP Jetdirect print server card using either an HP Jetdirect Port or Standard TCP/IP port, use the following instructions to copy the firmware to the printer.
  4. Go to Start, and thenRun .
  5. Type FTP then a space then the TCP/IP address of the printer (for example, FTP 192.0.0.192). A Command Prompt window will open.
  6. Press Enter twice to log in anonymously.
  7. Type the word bin and press the Enter key on the keyboard. This changes the transfer mode to binary.
  8. Type the word hash and press the Enter key on the keyboard. This allows file transfer progress to be shown in the FTP window.
  9. Type the word Put then a space followed by the path to the .RFU file. For example - Put c:\foldername\filename.rfu, then press Enter.
  10. The system will open binary communication and begin the transfer. The printer control panel will display Receiving Upgrade.
  11. The printer will reset, and then restart when the upgrade is finished.
  12. Print another Configuration page to verify that the Firmware Datecode has been updated.
Remote firmware update using the TCP/IP address and PORT1
 warning:
The printer control panel must be unlocked before performing the firmware update. If the printer is locked through Web Jetadmin, unlock the control panel before following the update steps below.
Follow the steps below in order to download an .RFU via the TCP/IP and PORT1:
  1. Open a browser window.
  2. In the address line of the browser, type (without the arrow brackets [< >]): ftp://<IPaddress> Where "<IPaddress>" is the TCP/IP address of the printer.
  3. Open a Windows Explorer window and locate the .RFU file for the printer.
  4. Drag and drop the .RFU file onto the PORT1 icon in the browser window.
Remote firmware update using FTP and a browser
 warning:
The printer control panel must be unlocked before performing the firmware update. If the printer is locked through Web Jetadmin, unlock the control panel before following the update steps below.
Follow the steps below in order to download an .RFU using FTP and a browser:
  1. Open a browser window.
  2. In the address line of the browser, type (without the arrow brackets [< >]): ftp://<IPaddress> Where "<IPaddress>" is the TCP/IP address of the printer.
  3. Open a Windows Explorer window and locate the .RFU file for the printer.
  4. Drag and drop the .RFU file onto the PORT1 icon in the browser window.
Using HP Web Jetadmin to download the firmware to the printer
 warning:
The printer control panel must be unlocked before performing the firmware update. If the printer is locked through Web Jetadmin, unlock the control panel before following the update steps below.
This procedure requires that HP Web Jetadmin version 6.5 or later be installed. Complete the following steps to update a single printer through HP Web Jetadmin after downloading the .RFU file from the HP Web site.
  1. Start HP Web Jetadmin.
  2. Type the TCP/IP address or IP hostname of the printer in the Quick Device Find field, and then click Go. The printer Status window appears.
  3. Locate the Update button. It may be necessary to click the Right arrow on the toolbar to locate this button.
  4. Click Update.
  5. When prompted for the type of update to perform, click Update Printers, and then click Continue.
  6. Under Upload new firmware image, click Browse to locate the .RFU file downloaded from the http://www.hp.com/go/lj2300_firmware, http://www.hp.com/go/lj4200_firmware or http://www.hp.com/go/lj4300_firmware Web site, depending on the printer.
  7. Click Uploadto move the .RFU file from the hard drive to the HP Web Jetadmin server.
  8. Refresh the browser.
  9. Select the .RFU file from the Select new firmware version: drop-down menu.
  10. Click Update Firmware. HP Web Jetadmin sends the selected .RFU file to the printer.
Also, HP Web Jetadmin 6.5 can be used to perform multiple or unattended installations.
  1. Start HP Web Jetadmin.
  2. Create a device group:
    1. Click Devices on the Choose: drop-down menu.
    2. Click Device Model from the Filter: drop-down menu.
    3. In the Criteria (Optional): field, type the model number (for example, "4200" or "4300" [without quotation marks]).
    4. Click Go.
  3. In the Device List, select the printers to be included in the group, and then click Create Group.
  4. When prompted, type a name for the new device group, and then click OK.
  5. Click Update.
  6. When prompted for the type of update to perform, click Update Printers, and then click Continue.
  7. From the list of HP Devices, select the printers to be updated, or click Select All.
  8. Click Update to install the new firmware.
Printer messages during firmware upgrade
The printer shows three messages during a normal update process:
Update messages
Printer message
Explanation
RECEIVING UPGRADE
This message appears from the time the printer recognizes the beginning of an .RFU update until the time the printer has verified the validity and integrity of the .RFU update.
UPGRADING PRINTER
This message appears while the printer is actually reprogramming the firmware.
WAIT FOR PRINTER TO REINITIALIZE
This message appears from the time the printer has finished reprogramming the DIMM until the printer reinitializes.
 note:
To verify that the firmware update succeeded, print a new Configuration page from the printer control panel and verify that the firmware datecode shown on the Configuration page has changed.
Troubleshooting a firmware update
The following table lists causes and results of possible interruptions to the firmware update.
Cause
Result
The job was cancelled from the printer control panel.
No update has occurred.
A break in the I/O stream occurred during send (for example, the parallel cable was removed).
No update has occurred.
A power cycle occurred during RECEIVING UPGRADE.
No update has occurred.
A power cycle occurred during UPGRADING PRINTER.
No update has occurred. Resend update through parallel port.
A power cycle occurred during WAIT FOR PRINTER TO REINITIALIZE.
The update has been completed.
Print jobs sent to the printer, while an update is in process, do not interrupt the update.
The following table lists possible reasons for the failure of a remote firmware update and the corrective action to take for each situation.
Reason for firmware update failure
Corrective action
The .RFU file is corrupted.
The printer recognizes that the file is corrupted and rejects the update. Download the image from the http://www.hp.com/go/lj2300_firmware, http://www.hp.com/go/lj4200_firmware or http://www.hp.com/go/lj4300_firmware Web site again and send the new file to the printer.
The wrong printer model is contained in the .RFU file.
The printer recognizes the model mismatch and rejects the update. Download the correct image from the http://www.hp.com/go/lj2300_firmware, http://www.hp.com/go/lj4200_firmware or http://www.hp.com/go/lj4300_firmware Web site and send it to the printer.
The upgrade was interrupted.
See the Troubleshooting a firmware update table.
Flash hardware failure occurred.
Although it is extremely unlikely, the device might have a hardware failure. Call technical support to address the problem.
 note:
All HP LaserJet printers leave the factory with the latest available firmware version installed. If a remote firmware update fails, the .RFU file must be sent over a parallel port connection.

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