HP 3840 manual Print quality is poor, Streaks and missing lines, Print is faded, Blank pages print

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HP Deskjet 3840 series printer User's Guide

11.4 Print quality is poor

Streaks and missing lines

If your printed pages are missing lines or dots, or if streaks appear, the print cartridges might be low on ink or might need to be cleaned.

Print is faded

Verify that neither of the print cartridges is low on ink.

If a print cartridge is low on ink, consider replacing the print cartridge when the print quality lessens.

If the print cartridge is not low on ink, clean the print cartridge.

Verify that a black print cartridge is installed.

If the black text and images on your printouts are faded, you might be printing with only the tri-color print cartridge. Insert a black print cartridge, in addition to the tri-color print cartridge, for optimal black print quality.

Verify that the protective piece of plastic tape has been removed from the print cartridges.

1.Plastic tape

Consider selecting a higher print quality.

Blank pages print

The protective piece of plastic tape might still be attached to the print cartridges. Verify that the plastic tape has been removed from the print cartridges.

The print cartridges might be out of ink. Replace one or both empty print cartridges.

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Contents HP Deskjet 3840 series printer Hewlett-Packard company notices Terms and conventionsAcknowledgements TermsHP Deskjet 3840 series printer Users Guide Special features Getting started Printer featuresButtons and light Print Cancel button Power button and lightPaper trays Unfolding the paper traysPage Tray Out tray Folding the paper trays Print cartridges Replacing print cartridges Using print cartridgesEveryday printing Quality color photosInk-backup mode Ink-backup mode outputExiting ink-backup mode USB Connecting to the printerPrinting photos Accessing the digital photography optionsEnhancing your photos Printing digital photographsUsing the digital photography options Photo print cartridge Maximum dpiInstalling the photo print cartridge Using color optionsUsing the photo print cartridge Storing the photo print cartridgePrinting a black-and-white photo Printing black-and-white photosStoring and handling photo paper Printing a color photo in black and whiteStorage Borderless photos Saving money when printing photosHandling HP Everyday Photo PaperPreparing to print PrintingPrint Quality Best or Maximum dpi Small photos with a white border Preparing to print Large photos with a white border Print Quality Best or Maximum dpi Mail Printing other documentsPrinting tips Printer softwarePrint Quality Normal LettersPrint Quality Normal or Best DocumentsEnvelopes Brochures Print Quality Normal, Best, or Maximum dpi Greeting cardsTransparencies Labels Preparing to print Index cards and other small media Iron-on transfers Page Printing tips Setting the page orderSave time Save moneyPrinting multiple pages on a single sheet of paper Printing collated copiesSelecting a paper type Selecting a print quality Resizing a document Page Print settings Setup dialog boxPrinter software Print dialog box Opening Printer List Managing the printer Mac OS X 10.3 and laterAdding a printer Click the Set Up Printers button. Printer List appearsSetting a default printer Managing the printer Mac OS X 10.2 and earlierDeleting a printer Deleting a printer Setting a default printer Page Page Maintenance Installing print cartridgesPrint cartridges Ink back-up mode Installation InstructionsPage Page Automatically cleaning print cartridges Aligning print cartridgesCalibrating color Gathering cleaning supplies Manually cleaning print cartridgesPreparing to clean Cleaning instructionsPage View estimated ink levels Printing a testRemoving ink from skin and clothing Maintaining print cartridgesStoring print cartridges Displaying the HP Inkjet Toolbox Using the HP Inkjet ToolboxMac OS X version Double-clickHP Printer SelectorHP Inkjet Toolbox panels Printer is not printing TroubleshootingVerify the following conditions Check the printer cable connectionIf the printer still does not print Paper jamOther paper problems Paper problemsPaper weight Printer prints on multiple sheets at onceStreaks and missing lines Print quality is poorPrint is faded Blank pages printDocument is misprinted Printout does not reflect selected print settingsText and images are misaligned Document is printed off-center or at an anglePhotos are not printing correctly Check the printer settingsCheck the paper tray Colors are tinted or incorrectBorderless printing problems Part of the photograph is fadedFading occurs on the edges of a printout Streaks appear in a light portion of a printout Image is printed at an angleFading occurs near the edges of a printout Printout has an unwanted border For small photo paperFor small photo paper with a tear-off tab Power light is flashing If an error message appearsWhat the flashing light means Document prints slowly Error messagesAn error message appears while the Power light is flashing If you continue to have problemsOut of paper message If the In tray is loadedPrinter specifications SpecificationsEnvironmental statement Reduction and eliminationEnergy consumption Print cartridge recoveryHP Deskjet 3840 series printer Users Guide Paper supplies SuppliesHP Premium Inkjet Transparency Film HP Tri-Fold Brochure Paper, MatteHP Premium Plus Photo Paper, Glossy HP Premium Plus Photo Paper with tear-off tabHP Photo Paper, Glossy with tear-off tab HP Premium Plus Photo Paper, MatteHP Photo Paper, Glossy HP Premium Photo Paper, GlossyHP Premium Photo Paper, Matte with tear-off tab HP Premium Photo Paper, Glossy with tear-off tabHP Premium Photo Paper, Matte HP Premium High Gloss FilmHP Everyday Photo Paper, Semi-gloss HP Everyday Photo Paper, Semi-gloss with tear-off tabHP Advanced Photo Paper, Glossy HP Advanced Photo Paper, Glossy with tear-off tabUSB cables Index Maintenance HP Deskjet 3840 series printer Users Guide HP Deskjet 3840 series printer Users Guide Cable part number
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