HP 450 manual Maintaining the Printer, Cleaning the printer, Cleaning the print cartridges

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6 Maintaining the Printer

This chapter explains basic printer maintenance. You can find information about the state of the printer and the print cartridges from the Toolbox if you have it installed. You can also perform maintenance functions from the Toolbox.

Cleaning the printer

Remember to turn off the printer and unplug the power cord before cleaning the printer. If using the optional battery, turn off the printer and remove the battery before cleaning.

The printer does not require scheduled maintenance, except for replacing the ink service module (see Replaceable ink service module). You should attempt, however, to keep the printer free of dust and debris. This cleaning keeps the printer in peak condition and might also make the diagnosis of problems easier.

When you clean the printer, follow these guidelines:

￿Clean the outside of the printer with a soft cloth moistened with mild detergent and water.

Clean the printer only with water or water mixed with a mild detergent. Using other cleaners or alcohol can damage the printer.

￿Clean the inside of the front access cover with a dry, lint-free cloth.

Be careful not to touch the rollers. Skin oils on the rollers can cause print quality problems.

Cleaning the print cartridges

If printed characters are incomplete, or if dots or lines are missing from the printouts, you might need to clean the print cartridges. This is a symptom of clogged ink nozzles, which are a result of prolonged exposure to air.

Before you clean the print cartridges, make sure the print cartridge ink levels are not low or empty. Low ink levels can also cause incomplete characters, missing lines, or dots on the printouts. Check the print cartridge LEDs to make sure they are not on (see LED Reference). You can also check the status of the print cartridges from the Printer Status tab in the Toolbox. Replace any low or empty print cartridges. For instructions, see Replacing the print cartridges.

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Contents Hp deskjet 450 mobile printer User’s guide Enww Contents Using the Toolbox Setting Up For more informationUnderstanding printer parts and functions Front viewBack view Bottom viewUnderstanding printer buttons and LEDs Connect the power cord Setting up the printerCheck the box contents Unpack the printerInstall the print cartridges Turn on the printerEnww Load paper Install the softwareConnect the printer cable if required For WindowsUsing the battery optional Battery safetyAlign the print cartridges Understanding the battery Installing the batteryCharging and using the battery Removing the battery Important notesTravel tips Installing Software USBTo install the printer driver For WindowsMaking copies of the printer software To verify the installation To uninstall the softwareTo install the printer driver Mac OS For MacintoshBtPrint Installing software for PDAsFor Palm OS System requirementsPrinting from mobile phones Installing other softwareTo install the HP Deskjet 450 PDA Guide To copy from the Starter CDPrinter features Windows and Macintosh PrintingTo change print settings for the current document To change default print settingsPrinting from notebooks and desktops Windows To print from a Windows application Infrared printingBluetooth printing Selecting the default printer using other optionsPrinting from Macintosh Selecting the default printer in OS Using the HP Inkjet UtilityDisplaying the HP Inkjet Utility Two-sided printing Viewing the HP Inkjet Utility panelsCanceling a print job Print Media Selecting and UsingTips for selecting and using print media Selecting print mediaLoading print media Minimum printing marginsPrinting cards Printing photographs Calibrating colorPrinting digital camera photographs To print from a CompactFlash card Printing on transparencies For Windows Using the Toolbox Printer Status tab Information tab Installing myPrintMileage Agent MyPrintMileagePrinter Services tab Cleaning the printer Cleaning the print cartridgesMaintaining the Printer To clean the print cartridges To perform a level 1 cleaningTo perform a level 2 cleaning To perform a level 3 cleaning Aligning the print cartridgesTo align from the printer driver in Windows Replacing the print cartridges To align in Macintosh USB onlyTo align in DOS Enww Single-cartridge printing mode Calibrating colorReplaceable ink service module Check the power TroubleshootingGeneral troubleshooting tips Check the front access coverParallel or USB BluetoothCheck the printer connection InfraredCheck the print media Check the print settingsCheck the printer selection Check the LEDsGetting printer information Solving printer problemsPrinting diagnostic and configuration pages Printing a demoCheck the front access cover Check the printer setupPrinter takes a long time to print Check available system resources Unexpected printer shutdownCheck the status of the print cartridges Be patientSolving printing problems Blank page is printedMeaningless characters are printed Placement of the text or graphics is wrong Check that the media is loaded correctly Check the color print settingsSomething on the page is missing or incorrect Check if print cartridge is removedInk is smearing Check the print modePoor print quality Check the paper qualityInk is not filling the text or graphics completely Check the printer driver settingsCheck the media type print setting Faded or dull-colored outputColors are printing as black and white Wrong colors are printingCheck the graphics placement If printing using a single print cartridgeCheck the print settings Bleeding colors in printoutWireless printing problems Bluetooth printing does not workInfrared printing does not work Media is not picked up from the input tray Solving media feed problemsPaper output problem Paper skewPrint media is jammed Solving Macintosh-specific problems Tips for avoiding paper jamsSupplies HP Supplies AccessoriesAccessories Print cartridgesHP Office Paper HP Premium Inkjet Heavyweight PaperHP Printing Paper HP Office Recycled PaperHP Everyday Photo Paper HP Premium Photo PaperHP Photo Paper HP Premium Glossy PaperHP Premium Inkjet Transparency Film HP Professional Brochure and Flyer PaperHP Premium Plus Transparency Film HP Greeting Card PaperPrinter Specifications Enww Enww LED Reference Enww Enww Enww Hp instant support Customer SupportInternet HP telephone supportFor customers in North America For customers outside of North AmericaCalling from elsewhere in the world AustraliaHewlett-Packard Limited Warranty Statement Extent of Limited WarrantyLimitations of Warranty Limitations of LiabilityLocal Law Declaration of Conformity Index NumericsEnww Enww
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