HP LaserJet M9040/M9050 HP LaserJet M9040/M9050 MFP - Software Technical Refer - Page 304
Common Problems [INTERNAL], Issue, Solution
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Common Problems [INTERNAL] Issue Solution I get a warning when I select the printer driver If there are too many files in the driver directory, or the directory is really large, a warning appears so that the user doesn't accidentally package up something they didn't intend to (like the root directory). Some printer drivers are really large, and you can choose to ignore this warning and continue. To minimize package size, each printer driver should be in it's own directory. This is usually the default behavior when you expand a printer driver. I get an error when I try to open the Network Settings dialog You need to first select a printer driver before opening the Network Settings dialog. This populates the product name field based on the printer-driver name. The Create Package button is not enabled This button will not be enabled until you have: 1. Selected the printer driver. 2. If network connect - filled out one of the required network settings. How do I exit the DDU? 3. Selected the Save as name and directory. Use the Windows close button in the upper corner. The Network Settings dialog keeps displaying an error, and I just want out If you do not want to save settings, or change your mind and don't want a network install, you need to close the network settings dialog with the Windows close button in the upper corner. Using the OK button, will try to validate the settings, and that is what is causing an error. What if the user connects the printer before the DDU package is run? If the user connects the product, but then cancels the Plug and Play event before it finishes, this creates an incomplete Plug and Play event. After copying the printer-driver files to the Windows driver store, the DDU code will cleanup incomplete Plug and Play events for products supported by this printer driver. Then it will refresh the bus, causing the operating system to Plug and Play the product (installing the printer driver and creating the printer object). How do I uninstall DDU? Delete all the files in the root DDU directory. NOTE: No registry changes have been made with this utility. 286 Chapter 6 Engineering details ENWW