HP (惠普) Color LaserJet 2550Ln 驱动程序免费下载(ver. 20040930)

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HP (惠普) Color LaserJet 2550Ln (ver. 20040930) 发布 2005.07.28。

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类型 打印机
品牌 HP (惠普)
设备 Color LaserJet 2550Ln
操作系统 Mac OS X
版本 20040930
文件大小 5.66 Mb
已发布 2005.07.28
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color LaserJet 2550 printer firmware update utility for HP Color LaserJet 2550Ln Type: Utility WARNING: Determine what the current firmware version of your printer is before downloading the update.­ If your printer already has the current version (20040930),­ downloading this file might cause possible performance issues.­ To determine the version of firmware of your HP Color LaserJet 2550 printer,­ print a Configuration Page by pressing the Go button (green) and the Cancel button (Red) on the printer's control panel.­ The firmware version is listed on the top left part of the page,­ under Product Information - Firmware Datecode.­ Firmware Enhancements These changes are implemented in the new version firmware 20040930: Default screenmatch color treatment for non-driver PostScript jobs.­ Enabled to set FONTSOURCE to a downloaded soft font via PJL.­ Cyrillic/­Greek/­Hebrew font settings now available Improved memory allocation for complex pages.­ The default I/­O timeout changed to 120 seconds.­ Printing from Mac systems,­ and printing PDF files,­ will have an improved CMYK color adjustment.­ Calibration will now occur on non-HP refilled cartridge that have the e-label set to "toner out".­ Unexpected Paper Size messages are now bypassed by pressing Go or Cancel from the Toolbox utility.­ The Supplies Status page will now include the part number for HP cartridges when recognizing a non-HP cartridge installed.­ Monochrome print speed will increase by choosing "Print to Grayscale" in the driver's Color tab.­ Note: This utility is in English only.­ * You will need 20MB of free disk space to use the Firmware Update Utility.­ * The HP Color LaserJet 2550 series printer must be in a READY state and remain powered on during the entire firmware update process.­ * The control panel of the printer will display a series of flashing lights.­ * After the Firmware Update Utility has finished,­ the HP Color LaserJet 2550 series printer will display a solid green Ready light (second from the bottom).­ You may be prompted to reboot your computer.­ Installation Instructions (NOTE! If you use Internet Explorer to download the utility,­ it may strip the .­dmg extension to the file.­ Simply re-add the .­dmg extension and MAC OS X should recognize the file as a disk image) This utility is for use on any OS X 10.­2 or 10.­3 Mac.­ It will NOT function in the MAC OS 9 environment.­ It can only be used with a USB connection to the HP Color LaserJet 2550.­ Instructions for upgrade * For users connected via the network,­ please temporarily disconnect your HP Color LaserJet 2550 series printer from the network to ensure the network devices to not interrupt the FW upgrade process.­ Mount the disk image containing the FW update.­ Run the FW Update Application contained in the disk image.­ Follow the onscreen prompts to continue.­ When prompted,­ connect the printer via USB.­ Upon finding an HP Color LaserJet 2550 series printer,­ the utility will prompt you to reboot the printer by simply turn the power off and back on.­ This ensures the printer is in a proper state to receive the update.­ Once the printer has been rebooted,­ the utility will allow you to 'download' the firmware to the HP Color LaserJet 2550 series printer.­ DO NOT POWER CYCLE THE PRINTER during the upgrade process or it will leave your printer in an unusable state.­ One green LED will start flashing initially followed by 2 LED's flashing.­ Once the LEDS stop flashing,­ the printer has updated and re-initialized,­ the firmware should be updated.­ The firmware update can take up to 5 minutes to complete.­ Please be patient.­

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