HP K850 Series User Manual

HP Officejet Pro K850 SeriesUser Guide

Finding other resources for the productYou can obtain product information and further troubleshooting resources that are not included in thisguide fro

Ordering printing supplies onlineBesides the HP website, you may order printing supplies through the embedded Web server (EWS)or the Toolbox (Windows)

AccessoriesAccessories and cablesHP automatic two-sided printing accessory (duplex unit) C8258AHP IEEE-1284 A-B Parallel Cable (2 meter) C2950AHP IEEE

SuppliesInk suppliesInk cartridgesHP 10 Black C4844AHP 11 Cyan C4836AHP 11 Magenta C4837AHP 11 Yellow C4838AHP 13 Black C4814AHP 13 Cyan C4815AHP 13 M

7 Support and warrantyThe information in

Obtaining electronic supportYou can obtain support from HP from the following electronic sources:●WebVisit the Customer Care website on hp.com for the

Obtaining HP telephone supportDuring the warranty period, you may obtain assistance from HP Total Care.Before you callTo assist our HP Total Care Repr

Country/Region Telephone numberGreater Sao Paolo: (55)-11–4004–7751Canada Mississauga Area: (905) 206-46631–800–474–6836Central America & The Cari

Country/Reg ion Telephone numberKorea, Republic of 1588 3003Luxembourg www.hp.com/supportMalaysia 1800 88 8588Mexico Mexico City: 55–5258–9922Outside

Country/Region Telephone numberUnited Arabic Emirates (UAE) 600 54 47 47United Kingdom www.hp.com/supportUnited States 1–800–474–6836 (1-800 HP INVENT

Hewlett-Packard limited warranty statementHP product Duration of Limited WarrantySoftware1 yearAccessories1 yearInk cartridges6 months*Printheads1 yea

Resource Description LocationSystem tests and printouts (such asthe print-quality analysis printout andpaper-path test)Provides information to help di

9. HP products may contain remanufactured parts, components, or materials equivalent to new inperformance.10.HP's Limited Warranty Statement is v

NOTE This information is intended to be an easy-to-read summary of the full HP warrantystatement. To read the full warranty statement, go to www.hp.co

See Expiration date (Y-M-D) located in the Ink Cartridge Status section of the configuration page.See Printing a configuration page.●Expiration has no

8 Printer lights referenceThe printer lights indicate printer status and are useful for diagnosing printing problems. This sectioncontains information

Interpreting control panel lightsThis section briefly explains some of the messages that might appear on the printer lights display.Printer light indi

Printer light indication Explanation and recommended actionThe Power light is on and the Resume light and Paper Jam light blink. Print media is jammed

Printer light indication Explanation and recommended actionThe Power light, the Printhead light, and one or more of the color indicatorlights are on.O

Printer light indication Explanation and recommended actionbutton) three times. All lights exceptthe Power light go off. Damage thatresults to the pri

110 Chapter 8 Printer lights reference ENWW

9 Printer specificationsThis section provides information on physical, system, and functional specifications for the printer.ENWW 111

AccessibilityYour HP printer provides a number of features that make it accessible for people with disabilities.VisualThe printer software is accessib

Physical specificationsFor media and media-handling specifications, see Selecting print media.Available models and physicaldimensionsSize (width by de

Product features and capacitiesFor media and media-handling specifications, see Selecting print media.Connectivity●IEEE 1284-compliant bidirectionalpa

Processor and memory specificationsFor media and media-handling specifications, see Selecting print media.Device processor▲Motorola 32-bit ColdFire 4e

Operating system and network protocol specificationsFor media and media-handling specifications, see Selecting print media.Operating system compatibil

●Windows XP 32-bit: Pentium 300MHz, 128 MB RAM, 150 MB harddisk space●Windows XP Professional x64Edition: Pentium 1.8 GHz, 512 MBRAM, 150 MB free hard

Compatible network protocols●TCP/IP●SLP● DHCP●SNMP●HTTPNot all protocol and operating systemcombinations are supported. For moreinformation, see www.h

Functional specificationsFor media and media-handling specifications, see Selecting print media.118 Chapter 9 Printer specifications ENWW

Speed (U.S. Letter and A4) DRAFT mode:●Black text: 24 pages per minute(ppm)●Mixed text with color graphics: 21ppmFAST NORMAL mode:●Black text: 12.5 pp

Environmental specificationsFor media and media-handling specifications, see Selecting print media.Operating environmentOperating temperature 5° to 40

Electrical specificationsFor media and media-handling specifications, see Selecting print media.Power supply External universal power adapterPower req

Understanding the printer partsFront view1Control panel2Top cover3Ink cartridge cover4Printhead latch5Printheads6Ink cartridges7Front manual feed slot

122 Chapter 9 Printer specifications ENWW

10Regulatory informationThis section provides regulatory information for the printer.ENWW 123

FCC statementThe United States Federal Communications Commission (in 47 cfr 15.105) has specified that thefollowing notices be brought to the attentio

EMI statement (Korea)ENWW EMI statement (Korea) 125

VCCI statement (Japan)126 Chapter 10 Regulatory information ENWW

Regulatory model numberFor regulatory identification purposes, your product is assigned a Regulatory Model Number. TheRegulatory Model Number for your

Power cord statementThe power cord cannot be repaired. If it is defective, it should be discarded or returned to the supplier.128 Chapter 10 Regulat

Declaration of conformityManufacturer's Name: Hewlett-Packard Singapore (Pte) LtdManufacturer's Address: Imaging and Printing Manufacturing

Environmental sustainability programHewlett-Packard is committed to providing quality products in an environmentally sound manner. HPcontinuously impr

RecyclingDesign for recycling has been incorporated into this product:●The number of materials has been kept to a minimum while ensuring proper functi

1 (Power button and light)2 (Cancel button)3 (Resume button and light)4 (Paper Jam light)5 (Door Open light)6 (Out of Paper light)7 (Color indicator l

132 Chapter 10 Regulatory information ENWW

IndexAaccessibility 4accessoriesduplex unit 10installing 9ordering 91part numbers 93warranty 101accountingadministrator tools available 34embedded Web

aligning printheads 61blinking lights, troubleshooting76buttons and lights 5cleaning printheads 62lights, troubleshooting 105locating 5covers, locatin

humidity specifications 120II/O timeout 37ICC Profiles color calibration 113Information tab, Toolbox 38ink cartridge cover, locating 5Ink Cartridge li

guides, locating 5, 6HP, part numbers 94iron-on transfers 18jams 86labels 18loading input tray 21loading small 23manual feed slot, printing with27marg

locally shared, creating inWindows 52locating 6specifications 113troubleshooting 78Power button and light 6, 105power cord statement 128power input, l

operating systems supported115physical 112ports 113processor and memory 114resolution 119speed 118speedspecifications 118troubleshooting 77static IP a

myPrintMileage 41tools available 34, 35USB cable, part number 93USB portconnecting to Macintosh 53installing software afterconnecting 49installing sof

140 Index ENWW

6Rear manual feed slot7 Automatic two-sided printing accessory (duplex unit) Included with the HP Officejet Pro K850dn Color Printer. Toorder separate

Installing other software The following drivers and optional software are also available for installation on the printer.●HP Web Jetadmin: This is a W

2Installing accessoriesSee HP supplies and accessories for information about ordering accessories.ENWW 9

Installing the automatic two-sided printing accessoryYou can print on both sides of a sheet of paper automatically when the automatic two-sided printi

Selecting print mediaThe printer is designed to work well with most types of office paper. It is best to test a variety of printmedia types before buy

Transparencies●Insert transparencies with the rough side down and the adhesive strip pointing towards the backof the printer.●Use the Best mode to pri

Media size Input tray Front manualfeed slotRear manualfeed slotAuto duplex(duplex unit)Manual duplexStatement(140 by 216 mm;5.5 by 8.5 inches) A5(148

Media size Input tray Front manualfeed slotRear manualfeed slotAuto duplex(duplex unit)Manual duplexBanner Tabloid(279.4 by 431.8mm; 11 by 17inches) P

Media size Input tray Front manualfeed slotRear manualfeed slotAuto duplex(duplex unit)Manual duplexEnvelope C5(162 by 229 mm;6.38 by 9.02inches) Enve

Media size Input tray Front manualfeed slotRear manualfeed slotAuto duplex(duplex unit)Manual duplexPhoto L with tab(89 by 127 mm;3.5 by 5 inches)

Media size Input tray and front andrear manual feed slotsManual duplex Auto duplex (duplex unit)Plain paperThick plain paper HP Bright White PaperHP

Media size Input tray and front andrear manual feed slotsManual duplex Auto duplex (duplex unit)HP greeting cards HP photo greeting cards Other gree

Tray Type Weight CapacitySetting minimum marginsThe document margins must match (or exceed) these minimum margin settings in portrait orientation.Medi

Loading mediaThis section explains how to load plain paper and standard media sizes and types into the input tray.Following are general guidelines for

HP Officejet Pro K850/K850dn Color PrinterUser Guide

5. Press the button on top of the paper guide and slide the guide to the right until it stops at theedge of the media.6. Press the input tray lock and

Loading small mediaTo load small media in the input trayNOTE You can also use the front manual feed slot. If you are printing on thick paper (suchas c

5. Press the input tray lock and slide the tray in until the small media guide stops at the edge of themedia. As you slide the tray, the small media g

Changing print settingsYou can change print settings (such as media size or type) from an application or the printer driver.Changes made from an appli

Canceling a print jobYou can cancel a print job using one of the following methods:▲Control panelPress (Cancel button). This will clear the job that

Printing with the front or rear manual feed slotIf you are printing one or just a few photos, envelopes, or sheets of paper, you can use the frontmanu

the right side of the slot until the media stops. Insert envelopes with the flaps facing up and to theright.4. Slide the paper guide to the right unti

2. Slide the paper guide to the required media width.3. Insert a sheet of media print-side up into the left side of the slot until the printer grips t

Printing on both sides (duplexing)You can print on both sides of a sheet of media, either automatically by using the duplex unit ormanually by turning

7. Select or clear the Flip Pages Up check box depending on which way you want the binding. Seethe graphics in the printer driver for examples.8. Choo

Copyright Information© 2005 Copyright Hewlett-PackardDevelopment Company, L.P.Edition 1, 5/2005Reproduction, adaptation or translationwithout prior wr

Printing on special and custom-size mediaThis section provides information on how to print on media such as envelopes, photo paper,postcards, and tran

4 Configuring and managing the printerThis section provides information on managing the printer, configuring the printer in Windows or theMac OS, and

Managing the printerOverview of printer management tasksThe following table lists the printer tools that can be used to manage the printer.For more in

Task ToolsConfigure network optionsConfigurenetworkparameters Monitor the printerNOTE For information about opening and using specific management

Tool InformationHP Web Jetadmin softwareSupplies operation status and media and suppliesinformation. See HP Web Jetadmin software.myPrintMileageSuppli

Tool Tasksection click the appropriate cleaning level in the drop-down list.Control panel Perform printer maintenance tasks●Align printheads: Hold dow

Overview of printer management toolsToolbox (Windows)The Toolbox provides status and maintenance information about the printer. It also provides links

Printer Services tabThe Printer Services tab provides utilities that help you maintain and test your printer. You can alignand clean your print cartri

●Test Paper Skew: Checks for paper skew.●Clean: Cleans the printheads.●Align: Aligns the printheads for best possible print quality.●Calibrate Color:

EWS pagesThe EWS contains pages that you can use to view product information and change printer settings.The pages also contain links to other e-servi

Table of contents1 Getting startedFinding other resources for the product ...

On the myPrintMileage website, you can see the following items:●Print analysis, such as the amount of ink you have used, whether you use more black or

●Managing ink and media usage (myPrintMileage)Helps you manage and forecast printer supplies usage.●Self diagnostic testing for your deviceRuns a diag

HP Network Printer Setup Utility (Mac OS)The HP Network Printer Setup Utility allows you to configure network settings for the printer. You canconfigu

Understanding and printing the configuration pageUse the configuration page to:●View current printer settings, ink supply status, and printhead health

3Printhead Status: Shows the printhead health status and whether the printhead needs to be replaced.4Event Log: Shows a log of recent events that have

5 General Information: Shows information about the current status and connection type of the network, and otherinformation, such as the URL of the emb

Configuring the printer (Windows) You can connect the printer directly to a computer, or you can share the printer among other userson a network.NOTE

Connecting the printer before installing the software To connect the printer before installing the softwareIf you connected the printer to the compute

NOTE When sharing a directly connected printer, use the computer with the newestoperating system as the server. For example, if you have a computer ru

If the CD menu does not start automatically, click Start, and then click Run. Browse to the CD-ROM drive for the computer, click Setup.exe, and then c

HP Printer Utility (Mac OS)...39Embedded Web server (EWS)...

To install the printer driver using Add Printer1. From the Windows desktop, click Start, point to Settings, and then click Printers. Or, clickStart, c

Configuring the printer (Mac OS) You can use the printer with a single Macintosh computer using a USB cable, or you can share theprinter among other u

To share among computers with the same operating system1. Turn on printer sharing on the Macintosh computer (the host) that is connected to the printe

Uninstalling the printer softwareUninstalling the printer software (Windows)If you are using Windows 2000 or Windows XP, you must have administrator p

56 Chapter 4 Configuring and managing the printer ENWW

5 Maintaining and troubleshootingThis section provides information on maintaining ink cartridges and printheads, calibrating color andline feed, using

Replacing the ink cartridgesYou can check the ink levels from the Toolbox (Windows) or the embedded Web server. Forinformation about using these tools

2. Remove the ink cartridge that requires replacement by grasping it between your thumb andforefinger and pulling it firmly toward you.3. Remove the n

Maintaining the printheadsIf printed characters are incomplete, or dots or lines are missing from printouts, this might be causedby clogged ink nozzle

Toolbox (Window s)▲ Click the Printer Services tab, and then click Align Printheads.HP Printer Utility (Mac OS)▲ Open Information And Support , click

Ink supplies...94HP media...

Control panel1.Press and hold (Power button).2. While holding down the button, do one of the following.NOTE Perform the next level of cleaning only i

5. Lift the handle of a printhead and use it to pull the printhead out of its slot.ENWW Maintaining the printheads 63

6. Carefully remove any ink from the contact pads on the printhead using a dry cotton swab or asoft, dry, lint-free cloth that will not come apart or

13.Close the top cover.14.Where necessary, repeat the above steps for the remaining printheads.15.If you installed a new printhead, wait while the pri

Replacing the printheadsNOTE To find out which printheads are compatible with your printer, see HP supplies andaccessories.NOTE Only replace printhead

3. Lift the handle of a printhead and use it to pull the printhead out of its slot.ENWW Replacing the printheads 67

4. Remove the new printhead from its package, and then remove the protective tape.68 Chapter 5 Maintaining and troubleshooting ENWW

5. Insert the printhead into its color-coded slot. Press down firmly on the printhead to ensure propercontact.ENWW Replacing the printheads 69

6. Pull the printhead latch all the way forward, and then press down to ensure that the latch isproperly engaged. You might have to apply some pressur

Diagnosing the print qualityTo verify the print quality of the printer, you can perform print quality diagnostics, which involvesprinting of test patt

vi ENWW

Testing the paper feedIf you encounter frequent jams, perform a paper feed test to ensure that the paper path of the tray orduplex unit is clear. The

Testing media skewIf information on the printed pages is consistently slanted, perform a paper skew test and check if theskew is within the acceptable

Calibrating the colorWhenever you replace a printhead, the printer automatically calibrates the colors to ensure the bestprint quality. If you are not

TroubleshootingTroubleshooting tips and resources●For a paper jam problem, see Clearing jams.●For paper-feed problems, such as the paper skew, see Res

●If the printer is connected directly to a computer, it is set up to point to the correct port.●If the printer is connected to a network, the correct

Check printer setup for network environmentEnsure the correct printer software and printer software port are being used. For more informationabout net

Check media settingsMake sure the page settings in the printer software matches the width and length of media loaded inthe tray. See Changing print se

Poor print quality and unexpected printoutsCheck the printheads and ink cartridgesReplace any clogged or worn printheads or low ink cartridges (see Ma

Check print settings●When you print documents that use a large quantity of ink, allow more time to dry beforehandling the printouts. This is especiall

Clean the print zone of the printerAfter extensive printing, ink might be deposited on the print zone of the printer, causing ink to smearon the non-p

1 Getting startedThank you for buying the printer. This guide provides details about how to use the printer and toresolve printer and printing problem

Ink is not filling the text or graphics completelyCheck the ink cartridgesInk cartridges might have run out of ink. Replace any empty cartridge. Or tr

Check ink cartridgesMake sure ink cartridges have not been tampered with. Refilling processes and the use ofincompatible inks can disrupt the intricat

Pages are skewing●Make sure the paper guides in the tray are adjusted snugly against the media, but do not crinkleor bend it.●Avoid loading media of d

Troubleshooting installation issuesProblems printing alignment pageWhen new printheads are installed, the printer automatically prints two alignment p

●Make sure the printer is installed on the same subnet as the computers that will be using theprinter.●If the installation program cannot discover the

2. Check the rear-access panel or the duplex unit.a. Push the button on either side of the rear-access panel or the duplex unit and remove it.b. Locat

b. Pull the paper towards you.c. Ensure the media is properly aligned in the tray, and then lower the output tray.4. If you have not found the jam, op

●Always use media that conforms with specifications. See Selecting print media.●If using recycled media, try another type of media. See Selecting prin

90 Chapter 5 Maintaining and troubleshooting ENWW

6 HP supplies and accessoriesThis section provides information on HP supplies and accessories for the printer. The information issubject to change; vi