HP 3748 manual Power button and light

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HP Deskjet 3740 series printer

1.Print cartridges

1.USB port

3.2 Power button and light

The Power button turns the printer on and off. It can take a few seconds for the printer to turn on after you press the Power button. The light on the Power button flashes when the printer is processing a job.

1. Power button and light

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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 cartridgesInk-backup mode output Ink-backup modeReplacing print cartridges Exiting ink-backup mode Connecting to the printer USBPrinting photos Enhancing your photosPhotoREt Enhancing your photosHP digital photography options Using the HP digital photography options dialog boxOpening the HP digital photography options dialog box Maximum dpi Exif Print Printing black-and-white photosPrinting a black-and-white photo Printing a color photo in black-and-whiteStorage Storing and handling photo paperClick Print in grayscale Saving money when printing photos Large photos with a white borderPrinting Small photos with a white borderOrientation Portrait or Landscape Borderless photos Preparing to print Page Printing other documents MailPrinting tips 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 imagePrinting tips Printing shortcutsSave time Save moneyGeneral everyday printing Fast/economical printingUse General everyday printing to print quickly Using a print task quick set Print task quick setsCreating a print task quick set Setting the printer default settingsDeleting a print task quick set Setting the page order Print preview Selecting a paper type Selecting a print quality Setting a custom paper sizeDefining a custom paper size Page Printer software Printer Properties dialog boxPrinter Preferences 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 Maintenance Installing print cartridgesPrint cartridges Selection numbersInstallation instructions Ink back-up modePage Automatically cleaning print cartridges Click Clean the Print CartridgesAligning print cartridges Click Align the PrinterManually cleaning print cartridges Gathering cleaning suppliesPreparing to clean Cleaning instructionsPage Printing a test View estimated ink levelsRemoving ink from skin and clothing Maintaining print cartridgesMaintaining the printer body Printer toolboxTroubleshooting Check the power lightPrinter is not printing Verify the followingIf the printer does not turn on Paper jamIf the printer still does not print Paper problems Other paper problemsPaper weight Printer prints on multiple sheets at oncePrint quality is poor Streaks and missing linesPrint is faded Blank pages printDocument is misprinted Photos are not printing correctlyBorderless printing problems Check the printer propertiesEdge of the photograph is faded Print quality BestPrintout has an unwanted border Image is printed at an angleFor small photo paper Error messages Out of paper messageFor small photo paper with a tear-off tab If the paper tray is loadedPower light is flashing An error message appears while the Power light is flashingError message there was an error writing to LPT1 appears If the paper tray is emptyIf an error message appears If no error message appearsDocument prints slowly What the flashing light meansIf you continue to have problems Supplies Paper suppliesHP Tri-Fold Brochure Paper, Matte HP Premium Inkjet Transparency FilmHP Premium Plus Photo Paper, Glossy HP Premium Plus Photo Paper with tear-off tabHP Premium Plus Photo Paper, Matte HP Photo Paper, Glossy with tear-off tabHP Photo Paper, Glossy HP Premium Photo Paper, GlossyHP Premium Photo Paper, Glossy with tear-off tab HP Premium Photo Paper, Matte with tear-off tabHP Premium Photo Paper, Matte HP Premium High Gloss FilmHP Everyday Photo Paper, Semi-gloss with tear-off tab HP Everyday Photo Paper, Semi-glossHP Advanced Photo Paper, Glossy HP Advanced Photo Paper, Glossy with tear-off tabUSB cables Specifications Printer specificationsEnvironmental statement Reduction and eliminationPrint cartridge recovery Energy consumptionPage Terms and conventions Hewlett-Packard company noticesAcknowledgements TermsHP Deskjet 3740 series printer