Explanation and recommended action | HP K550 guide

Light description /Light pattern

Explanation and recommended action

The Power light is on, and one or more of the ink cartridge lights are on.

The Power light blinks, and one or more of the ink cartridge lights are on.

The Configuration Page light blinks.

(HP Officejet Pro K550dtwn)

The Configuration Page light is on.

(HP Officejet Pro K550dtwn)

All lights are on.

One or more of the ink cartridges are low on ink and will need to be replaced soon.

▲Get ready new ink cartridges and replace the existing cartridges when they become empty.

One of the following processes is taking place:

●The printer is initializing for wireless communication.

●If you are using SecureEasySetup (SES) to set up the printer, the printer might be trying to connect to the wireless network.

●If you are using Windows Connect NowTM to set up the printer, the printer is receiving wireless information from the USB flash drive.

Each of the above processes takes less than 2 minutes.

▲No action is required.

The printer is in wireless communication mode.

▲No action is required.

A non-recoverable error has occurred. See All printer lights are on.

ENWW	Interpreting control panel lights 61

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HP K550 manual Explanation and recommended action

Contents

HP Officejet Pro K550 Series Page HP Officejet Pro K550 Series Safety Information Copyright InformationTrademark Credits Table of contents Printer lights reference Configuring and managing the printer Appendix a HP supplies and accessories 125 Appendix B Support and warranty Getting started Resource Description Location Finding other resources for the product Finding other resources for the product Visual AccessibilityMobility Support Front view Understanding the printer parts Control panel Back view Enww Installing the accessories To install a duplex unit Installing the duplex unit To install tray Installing tray Enww Using the printer Selecting print media Tips for selecting and using print mediaCards and envelopes Photo paper Understanding supported sizes Understanding specifications for supported mediaTransparencies Custom-sized media Cards Photo mediaOther media Setting minimum margins Understanding supported media types and weightsTray Type Weight Capacity Media Left margin Right margin Top margin Bottom Margin To load tray 1 or tray Loading media Enww Configuring trays To configure the traysWant to Changing print settings To change default settings for all future jobs WindowsTo change settings Mac OS Canceling a print job Printing on both sides duplexing Guidelines for printing on both sides of aTo perform duplexing Windows Open the Two-Sided Printing panel To perform automatic duplexing Mac OS Printing on special and custom-sized media To print on special or custom-sized media WindowsTo print on special or custom-sized media Mac OS Open the Paper Type/Quality panel Enww Maintaining and troubleshooting To replace the ink cartridges Replacing the ink cartridges To print the print quality diagnostic Maintaining the printheadsTo check printhead health Enww To clean the printheads To align the printheadsTo calibrate the linefeed To clean the printhead contacts manually Enww To replace the printheads Calibrating the color Troubleshooting tips and resources General troubleshooting tips Printer shuts down unexpectedly Resolving printing problemsAll printer lights are on Printer is not responding nothing prints Printer takes a long time to print Printer does not accept printhead Placement of the text or graphics is wrong Blank page printedSomething on the page is missing or incorrect Check the media size Check the page-orientation setting Poor print quality and unexpected printouts Poor quality printoutsMeaningless characters print Ink is smearing Ink is not filling the text or graphics completelyOutput is faded or dull colored Wrong colors are printing Colors are printing as black and whitePrintout shows bleeding colors Colors do not line up properly Resolving paper-feed problems Another paper-feed problem is occurringTray cannot be inserted Multiple pages are being picked up Pages are skewing Embedded Web server cannot be opened Resolving printer management problems Problems printing an alignment Troubleshooting installation issuesProblems installing software Problems connecting to a network Problems connecting to a wired network Problems setting up or using wireless communicationSelect Standard TCP/IP Port and click New Port Check the wireless network settings Check the printer lights Check the signal strength To clear a jam Clearing jams To perform paper feed test To avoid jams Printer lights reference Light description /Light pattern Interpreting control panel lights Explanation and recommended action Interpreting control panel lights Enww Explanation and recommended action Light description/Light pattern Interpreting network connector lights Interpreting network connector lights Enww Configuring and managing the printer Managing the printer Overview of printer management tasksIf you want to Use these tools Monitor the printer Administer the printerUse this tool To obtain the following information Use this tool Use this tool To do the following Configure network settings Overview of printer management tools Pages ContentsEmbedded Web server To open the embedded Web server Toolbox Windows Tabs ContentsTo open the Toolbox Toolbox tabs Print Configuration Page Allows you to print Print PQ print quality diagnostic page Allows you toHP Printer Utility Mac OS To open the HP Printer Utility HP Web Jetadmin software Network Printer Setup Utility Mac OSPrinter Settings panel To open the Network Printer Setup Utility Security and privacy HP Instant Support To gain access to HP Instant Support To gain access to myPrintMileageMyPrintMileage Understanding the configuration Wired Network Configuration Wireless To print the configuration Direct connection Configuring the printer Windows To share the printer on a locally shared network To connect the printer before installing the software Network Connection To install a network printer To install the printing software on client computers To install the printer driver using Add PrinterSelect Network Printer or Network Printer Server Configuring the printer Mac OS To share the printer among computers running Mac OS Understanding 802.11 wireless network settings Communication modeNetwork name Ssid Data encryption Security settings To set up the printer for wireless communication Windows To set up the printer on an ad hoc network Mac OS To set up wireless communication using SecureEasySetup SES To turn off wireless communication Guidelines for ensuring wireless network security Guidelines for reducing interference on a wireless networkTo add hardware addresses to a wireless access point WAP Other guidelines Enww To uninstall the printer software Windows Uninstalling the printer softwareTo uninstall the printer software Mac OS Double-clickAdd/Remove Programs Uninstalling the printer software Enww HP supplies and accessories Ordering printing supplies online System requirements for ordering printing suppliesTo order printing supplies Accessories Ink cartridges SuppliesPrintheads HP media Support and warranty Obtaining electronic support Before you call Obtaining HP telephone supportTelephone support numbers Country/Region Telephone number Enww Enww Enww Hewlett-Packard limited warranty statement Extent of limited warrantyHP product Duration of Limited Warranty Limitations of warranty Limitations of liabilityLocal law Hewlett-Packard limited warranty statement Is your product covered under warranty? HP Inkjet Supplies Warranty Quick ReferenceEnd of warranty date locations Date format YYYY/MM/DD HP Inkjet Supplies Expiration Physical specifications Printer specificationsHP Officejet Pro K550 HP Officejet Pro K550dtn/K550dtwn Operating system and network protocol specifications Features Functional SpecificationsSystem requirements Normal mode Draft modeBest mode Environmental specifications Supported devices Enww Regulatory information FCC statement Shielded cablesExposure to radio frequency radiation Power cord statement Other regulatory informationLED classification Regulatory information for wireless products Regulatory information for wireless products Local Contact for regulatory topics only Declaration of conformity HP OfficeJet Pro K550dtwn Material safety data sheets Power consumptionEnvironmental sustainability program Reduction and elimination Product packaging RecyclingPlastics HP products and supplies Enww Cables Index Enww Enww Warranty