HP 3748 manual If you continue to have problems

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HP Deskjet 3740 series printer

Multiple software applications are open

The computer does not have sufficient resources for the printer to print at its optimum speed.

To increase printer speed, close all unnecessary software programs when printing.

Best or maximum dpi print mode is selected

The printer prints more slowly when Best or Maximum dpi is selected as the print quality. To increase the printer speed, select a different print-quality mode.

Printer driver is outdated

An outdated printer driver might be installed.

For information about updating the printer driver, visit the HP Web site www. hp.com/support.

Computer does not meet system requirements

If your computer does not have enough RAM or does not have a large amount of free space on the hard drive, the printer processing time will be longer.

1.Verify that the computer hard disk space, RAM, and processor speed meet the system requirements.

For the system requirements, see the reference guide that came with the printer.

2.Make space available on the hard drive by deleting unneeded files.

Printer is in ink-backup mode

The printer might print more slowly if it is in ink-backup mode.

To increase the print speed, use two print cartridges in the printer.

10.11 If you continue to have problems

If you continue to have problems after investigating the troubleshooting topics, turn off and then restart your computer.

If you still have problems after restarting your computer, go to HP customer support at www.hp.com/support.

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Contents HP Deskjet 3740 series printer Special features Printer features Getting startedPower button and light Paper tray Unfolding the paper trayUsing the paper tray Print cartridgesReplacing print cartridges Ink-backup modeInk-backup mode output Exiting ink-backup mode Connecting to the printer USBPhotoREt Printing photosEnhancing your photos Enhancing your photosOpening the HP digital photography options dialog box Using the HP digital photography options dialog boxHP digital photography options Maximum dpi Printing a black-and-white photo Exif PrintPrinting black-and-white photos Printing a color photo in black-and-whiteClick Print in grayscale Storing and handling photo paperStorage Saving money when printing photos Large photos with a white borderOrientation Portrait or Landscape Small photos with a white borderPrinting Borderless photos Preparing to print Page Printing tips Printing other documentsMail Printer softwareLetters Paper type Plain paperDocuments Envelopes Labels Type is Plain paperBrochures Greeting cards Transparencies Index cards and other small media Iron-on transfers Type is Plain paper Print quality Normal or Best Orientation Mirror imageSave time Printing tipsPrinting shortcuts Save moneyUse General everyday printing to print quickly Fast/economical printingGeneral everyday printing Using a print task quick set Print task quick setsDeleting a print task quick set Setting the printer default settingsCreating a print task quick set Setting the page order Print preview Selecting a paper type Defining a custom paper size Setting a custom paper sizeSelecting a print quality Page Printer Preferences dialog box Printer softwarePrinter Properties dialog box Opening the Printer Properties dialog boxUsing Whats This? help Whats This? helpDevice Status window To close the Device Status window, click Close window Print cartridges MaintenanceInstalling print cartridges Selection numbersInstallation instructions Ink back-up modePage Aligning print cartridges Automatically cleaning print cartridgesClick Clean the Print Cartridges Click Align the PrinterPreparing to clean Manually cleaning print cartridgesGathering cleaning supplies Cleaning instructionsPage Removing ink from skin and clothing Printing a testView estimated ink levels Maintaining print cartridgesMaintaining the printer body Printer toolboxPrinter is not printing TroubleshootingCheck the power light Verify the followingIf the printer still does not print Paper jamIf the printer does not turn on Paper weight Paper problemsOther paper problems Printer prints on multiple sheets at oncePrint is faded Print quality is poorStreaks and missing lines Blank pages printDocument is misprinted Photos are not printing correctlyEdge of the photograph is faded Borderless printing problemsCheck the printer properties Print quality BestFor small photo paper Image is printed at an anglePrintout has an unwanted border For small photo paper with a tear-off tab Error messagesOut of paper message If the paper tray is loadedError message there was an error writing to LPT1 appears Power light is flashingAn error message appears while the Power light is flashing If the paper tray is emptyDocument prints slowly If an error message appearsIf no error message appears What the flashing light meansIf you continue to have problems Supplies Paper suppliesHP Premium Plus Photo Paper, Glossy HP Tri-Fold Brochure Paper, MatteHP Premium Inkjet Transparency Film HP Premium Plus Photo Paper with tear-off tabHP Photo Paper, Glossy HP Premium Plus Photo Paper, MatteHP Photo Paper, Glossy with tear-off tab HP Premium Photo Paper, GlossyHP Premium Photo Paper, Matte HP Premium Photo Paper, Glossy with tear-off tabHP Premium Photo Paper, Matte with tear-off tab HP Premium High Gloss FilmHP Advanced Photo Paper, Glossy HP Everyday Photo Paper, Semi-gloss with tear-off tabHP Everyday Photo Paper, Semi-gloss HP Advanced Photo Paper, Glossy with tear-off tabUSB cables Environmental statement SpecificationsPrinter specifications Reduction and eliminationPrint cartridge recovery Energy consumptionPage Acknowledgements Terms and conventionsHewlett-Packard company notices TermsHP Deskjet 3740 series printer