HP LaserJet MFP M440 User Guide - Page 146
Troubleshooting, Printing Preferences
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Condition Possible cause Suggested solutions The paper size and the paper size settings do not match. Ensure that the paper size in the printer driver settings matches the paper in the tray. Or, ensure that the paper size in the printer driver settings matches the paper selection in the software application settings you use. The machine prints, but The machine cable is loose or defective. the text is wrong, garbled, or incomplete. Disconnect the machine cable and reconnect. Try a print job that you have already printed successfully. If possible, attach the cable and the machine to another computer that you know works and try a print job. Finally, try a new machine cable. The wrong printer driver was selected. Check the application's printer selection menu to ensure that your machine is selected. The software application is malfunctioning. Try printing a job from another application. The operating system is malfunctioning. Exit Windows and reboot the computer. Turn the machine off and back on again. Pages print, but they are The toner cartridge is defective or out of toner. blank. Redistribute the toner, if necessary. If necessary, replace the toner cartridge. The file may have blank pages. Check the file to ensure that it does not contain blank pages. Some parts, such as the controller or the board, may Contact a service representative. be defective. The machine does not print PDF files correctly. Some parts of graphics, text, or illustrations are missing. Incompatibility between the PDF file and the Acrobat products. Printing the PDF file as an image may enable the file to print. Turn on Print As Image from the Acrobat printing options. NOTE: It will take longer to print when you print a PDF file as an image. The print quality of photos The resolution of the photo is very low. is not good. Images are not clear. Reduce the photo size. If you increase the photo size in the software application, the resolution will be reduced. Before printing, the Using damp/wet paper can cause vapor [white machine emits vapor near smoke] during printing. the output tray. This is not a problem, just keep printing. If you are bothered by the smoke [vapor], then replace the paper with fresh paper from an unopened ream. The machine does not print special-sized paper, such as billing paper. Paper size and paper size setting do not match. Set the correct paper size in the Custom in Paper tab in Printing Preferences. The printed billing paper is The paper type setting does not match. curled. Change the printer option and try again. Go to Printing Preferences, click Paper tab, and set type to Thin. 138 Chapter 11 Troubleshooting ENWW