HP K850 Series - Manual

Finding other resources for the product You can obtain product information and further troubleshooting resources that are not included in thisguide from the following resources: Resource Description Location Setup poster Provides illustrated setup information. A printed version of this document ispr...

Accessibility Your HP printer provides a number of features that make it accessible for people with disabilities. Visual The printer software is accessible for users with visual impairments or low vision through the use ofyour operating system’s accessibility options and features. It also supports m...

Understanding the printer parts Front view 1 Control panel 2 Top cover 3 Ink cartridge cover 4 Printhead latch 5 Printheads 6 Ink cartridges 7 Front manual feed slot 8 Input tray 9 Paper guides 10 Output tray Control panel For more information, see Printer lights reference . ENWW Understanding the p...

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 lights) 8 (Printhead light) 9 (Ink Cartridge light) Back view 1 Parallel (IEEE 1284) connector 2 USB connector 3 Network connector (HP Officejet ...

Installing other software The following drivers and optional software are also available for installation on the printer. ● HP Web Jetadmin : This is a Web browser-based network printer management tool. A link to the HP Web Jetadmin website is included on the Starter CD. For more information about u...

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

Installing the automatic two-sided printing accessory You can print on both sides of a sheet of paper automatically when the automatic two-sided printingaccessory (duplex unit) is installed on the printer. The duplex unit comes with the HP Officejet ProK850dn Color Printer. It can also be ordered se...

Selecting print media The printer is designed to work well with most types of office paper. It is best to test a variety of printmedia types before buying large quantities. Use HP media for optimum print quality. See HP supplies and accessories . For more information about HP media, see www.hp.com ....

Transparencies ● Insert transparencies with the rough side down and the adhesive strip pointing towards the backof the printer. ● Use the Best mode to print transparencies. This mode provides longer drying time and ensures that the ink dries completely before the next page is delivered to the output...

Media size Input tray Front manualfeed slot Rear manualfeed slot Auto duplex(duplex unit) Manual duplex Photo L with tab (89 by 127 mm;3.5 by 5 inches) Photo (101.6 by 152.4mm; 4 by 6 inches) Photo with tab (101.6 by 152.4mm; 4 by 6 inches) Photo with tab (127 by 177.8mm; 5 by 7 inches) Photo (203.2...

Media size Input tray and front andrear manual feed slots Manual duplex Auto duplex (duplex unit) HP greeting cards HP photo greeting cards Other greeting cards Brochure papers HP brochure papers Other brochure papers Supported media weights and capacities Tray Type Weight Capacity Input tray Paper ...

Tray Type Weight Capacity Setting minimum margins The document margins must match (or exceed) these minimum margin settings in portrait orientation. Media Left and right margins Top margin Bottom margin A3, A3+, B5, Legal, SuperB, Tabloid 5.1 mm (0.2 inch) 3.0 mm (0.12 inch) 11.7 mm (0.46 inch) A4, ...

Loading media This section explains how to load plain paper and standard media sizes and types into the input tray.Following are general guidelines for loading media into the tray: ● If you are printing on thick paper (such as cardstock), you can use the rear manual feed slot. See Printing with the ...

Loading small media To load small media in the input tray NOTE You can also use the front manual feed slot. If you are printing on thick paper (such as cardstock), you can use the rear manual feed slot. See Printing with the front or rear manual feed slot . 1. Raise the output tray and remove any me...

Changing print settings You can change print settings (such as media size or type) from an application or the printer driver.Changes made from an application take precedence over changes made from the printer driver.However, after the application is closed, the settings return to the defaults config...

Canceling a print job You can cancel a print job using one of the following methods: ▲ Control panel Press (Cancel button). This will clear the job that the printer is currently processing. It does notaffect jobs waiting to be processed. ▲ Windows Double-click the printer icon that appears in the lo...

Printing with the front or rear manual feed slot If you are printing one or just a few photos, envelopes, or sheets of paper, you can use the frontmanual feed slot and leave your regular media in the input tray. The rear manual feed slot uses a straight paper path and is designed for printing single...

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 until it stops at the edge of the paper. 5. Press (Resume button) to proceed with printing. To resume printing from the input tray, remove the paper from...

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 the media over and feeding it into the printer again. Guidelines for duplexing ● Always use media that conforms to the printer specifications. See U...

Printing on special and custom-size media This section provides information on how to print on media such as envelopes, photo paper,postcards, and transparencies, as well as custom-size media. To print on special and custom-size media (Windows) 1. Load the appropriate media. See Loading media . 2. W...

4 Configuring and managing the printer This section provides information on managing the printer, configuring the printer in Windows or theMac OS, and using the configuration page. ENWW 33

Managing the printer Overview of printer management tasks The following table lists the printer tools that can be used to manage the printer. For more information about the administrator tools listed in the table, see Overview of printer management tools . NOTE Windows users can use the printer driv...

Task Tools Configure network options Configurenetworkparameters Monitor the printer NOTE For information about opening and using specific management tools, see Overview of printer management tools . Tool Information Toolbox (Windows) Operation and status ▲ Click the Printer Status tab. Media and sup...

Tool Information HP Web Jetadmin software Supplies operation status and media and suppliesinformation. See HP Web Jetadmin software . myPrintMileage Supplies media and supplies information. See myPrintMileage . Administer the printer This section contains information about administering the printer ...

Overview of printer management tools Toolbox (Windows) The Toolbox provides status and maintenance information about the printer. It also provides links tothis guide for help in performing basic printing tasks and solving problems. NOTE If the Toolbox was not installed with the other printer softwar...

Printer Services tab The Printer Services tab provides utilities that help you maintain and test your printer. You can align and clean your print cartridges, or print a demo page. ● Diagnose Print Quality : Click this button to open a dialog box, where you can print a page to help you decide if you ...

● Test Paper Skew : Checks for paper skew. ● Clean : Cleans the printheads. ● Align : Aligns the printheads for best possible print quality. ● Calibrate Color : Adjusts color to correct problems with tint. ● HP Support : Provides access to the HP website where you can register the printer, find supp...

EWS pages The EWS contains pages that you can use to view product information and change printer settings.The pages also contain links to other e-services. Pages Contents Information Shows status information about the printer, its ink suppliesand usage, and a log of printer events (such as errors). ...

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 colorink, and the estimated number of pages you can print with the remaining amount of ink. ● Print accounting, which allows you to generate report...

HP Network Printer Setup Utility (Mac OS) The HP Network Printer Setup Utility allows you to configure network settings for the printer. You canconfigure settings such as network location name, and settings such as TCP/IP address, router, andsubnet mask. To open the HP Printer Network Setup Tool 1. ...

Understanding and printing the configuration page Use the configuration page to: ● View current printer settings, ink supply status, and printhead health. ● Help troubleshoot printer problems. The configuration page also contains a log of recent events. If the printer is connected to a network,an ad...

3 Printhead Status : Shows the printhead health status and whether the printhead needs to be replaced. 4 Event Log : Shows a log of recent events that have occurred. Network configuration page 46 Chapter 4 Configuring and managing the printer ENWW

5 General Information : Shows information about the current status and connection type of the network, and other information, such as the URL of the embedded Web server and the hardware address of the printer. Network Status : This setting can be Ready or Offline. When the setting is Offline, it imp...

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 You must have administrator privileges to install a printer driver in Windows 2000 or Windows XP. Direct connection You can connect the printer direc...

Connecting the printer before installing the software To connect the printer before installing the software If you connected the printer to the computer before installing the printer software, the Found New Hardware wizard appeared on the computer screen. NOTE If you have turned on the printer, do n...

NOTE When sharing a directly connected printer, use the computer with the newest operating system as the server. For example, if you have a computer running Windows 2000and another computer running an older version of Windows, use the computer runningWindows 2000 as the server. Use this configuratio...

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 click Open . In the Run dialog box, click OK . 4. Click Install and follow the onscreen instructions to complete the installation. 5. If you are go...

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 users on a network. Installing the software for network or direct connection To install the software for network or direct connection 1. Connect the pr...

To share among computers with the same operating system 1. Turn on printer sharing on the Macintosh computer (the host) that is connected to the printer:Open System Preferences , click Sharing , click Services , and then select the Printer Sharing check box. 2. To print from the other Macintosh comp...

Uninstalling the printer software Uninstalling the printer software (Windows) If you are using Windows 2000 or Windows XP, you must have administrator privileges to uninstallthe printer software. To uninstall the printer software 1. If the computer is connected directly to the computer using a USB c...

Replacing the ink cartridges You can check the ink levels from the Toolbox (Windows) or the embedded Web server. Forinformation about using these tools, see Overview of printer management tools . After removing a cartridge from its package, install it right away. Do not remove a cartridge from thepr...

Maintaining the printheads If printed characters are incomplete, or dots or lines are missing from printouts, this might be causedby clogged ink nozzles and you might need to clean the printheads. To find out which printheadswork with your printer, see HP supplies and accessories . When the quality ...

Toolbox (Windows) ▲ Click the Printer Services tab, and then click Align Printheads . HP Printer Utility (Mac OS) ▲ Open Information And Support , click Align , and then follow the onscreen instructions. Embedded Web server 1. Open the embedded Web server. 2. Click the Settings tab. 3. Click Mainten...

Control panel 1. Press and hold (Power button). 2. While holding down the button, do one of the following. NOTE Perform the next level of cleaning only if results from the previous level are not satisfactory. a. For level 1 cleaning: Press (Resume button) five times. b. For level 2 cleaning: Press (...

Replacing the printheads NOTE To find out which printheads are compatible with your printer, see HP supplies and accessories . NOTE Only replace printheads after you have attempted to clean the printheads. See To clean printheads automatically and To clean the printhead contacts manually . 1. Open t...

Diagnosing the print quality To verify the print quality of the printer, you can perform print quality diagnostics, which involvesprinting of test patterns. This will help you decide whether to run any maintenance tools to improvethe print quality of your printouts. Printer driver ● In Windows 2000 ...

Testing the paper feed If you encounter frequent jams, perform a paper feed test to ensure that the paper path of the tray orduplex unit is clear. The process will feed 20 blank pages. ● Printer driver Click the Services tab, click Service this device , and then follow the onscreen instructions. ● T...

Testing media skew If information on the printed pages is consistently slanted, perform a paper skew test and check if theskew is within the acceptable range for the printer. ● Printer driver Click the Services tab, click Service this device , and then follow the onscreen instructions. ● Toolbox (Wi...

Calibrating the color Whenever you replace a printhead, the printer automatically calibrates the colors to ensure the bestprint quality. If you are not satisfied with the appearance of the colors, you can calibrate colorsmanually. ● Printer driver In Windows 2000 or XP, click the Services tab, click...

Troubleshooting Troubleshooting tips and resources ● For a paper jam problem, see Clearing jams . ● For paper-feed problems, such as the paper skew, see Resolving paper-feed problems . Some printer problems can be resolved by resetting the printer. To reset the printer 1. Press (Power button) to tur...

● 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 IP address is used. Resolving printing problems Printer shuts down unexpectedly Check power and power connections. Make sure the printer is connect...

Check printer setup for network environment Ensure the correct printer software and printer software port are being used. For more informationabout network connections, see Configuring the printer (Windows) , Configuring the printer (Mac OS) , or the documentation provided by your network vendors. C...

Check media settings Make sure the page settings in the printer software matches the width and length of media loaded inthe tray. See Changing print settings . Check the parallel port on your computer If you are using a parallel cable, make sure the printer is connected directly to the parallel port...

Poor print quality and unexpected printouts Check the printheads and ink cartridges Replace any clogged or worn printheads or low ink cartridges (see Maintaining the printheads ), and try to print again. Check the paper quality The paper might be too moist or too rough. Make sure the media used meet...

Check print settings ● When you print documents that use a large quantity of ink, allow more time to dry beforehandling the printouts. This is especially true for transparencies. In the printer software, selectthe Best print quality. Also increase the ink drying time and reduce the ink saturation us...

Check ink cartridges Make sure ink cartridges have not been tampered with. Refilling processes and the use ofincompatible inks can disrupt the intricate printing system and result in reduced print quality anddamage to the printer. HP does not guarantee or support refilled ink cartridges. For orderin...

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 different types or sizes in the tray. ● Make sure media in the tray is not curled. Uncurl paper by bending it in the opposite direction ofthe curl....

Troubleshooting installation issues Problems printing alignment page When new printheads are installed, the printer automatically prints two alignment pages to align theprintheads. This process takes about eight minutes. Do not open any covers or push any buttonsuntil the alignment pages have printe...

● 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 printer, print the configuration page and enter theIP address manually in the installation program. See Understanding and printing the configurati...

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, open the top cover. If there is paper remaining inside the printer,ensure the carriage has moved to the right of the printer, free any paper scraps or...

Ordering printing supplies online Besides the HP website, you may order printing supplies through the embedded Web server (EWS)or the Toolbox (Windows). System requirements for ordering printing supplies To use the Toolbox, ensure you have the following: ● Internet access ● Printer connected to your...

Accessories Accessories and cables HP automatic two-sided printing accessory (duplex unit) C8258A HP IEEE-1284 A-B Parallel Cable (2 meter) C2950A HP IEEE-1284 A-B Parallel Cable (3 meter) C2951A HP USB A-B (2 meter) C6518A Print servers HP Jetdirect 170X external print server J3258B HP Jetdirect 30...

Supplies Ink supplies Ink cartridges HP 10 Black C4844A HP 11 Cyan C4836A HP 11 Magenta C4837A HP 11 Yellow C4838A HP 13 Black C4814A HP 13 Cyan C4815A HP 13 Magenta C4816A HP 13 Yellow C4817A Printheads HP 11 Black C4810A HP 11 Cyan C4811A HP 11 Magenta C4812A HP 11 Yellow C4813A

Obtaining electronic support You can obtain support from HP from the following electronic sources: ● Web Visit the Customer Care website on hp.com for the latest software, product, operating system,and support information: www.hp.com/support/officejetprok850 . ● Toolbox (Windows) The Toolbox provide...

Obtaining HP telephone support During the warranty period, you may obtain assistance from HP Total Care. Before you call To assist our HP Total Care Representatives to serve you better, prepare the following informationbefore calling. 1. Print the printer configuration page. See Understanding and pr...

Hewlett-Packard limited warranty statement HP product Duration of Limited Warranty Software 1 year Accessories 1 year Ink cartridges 6 months* Printheads 1 year* Printer peripheral hardware (see below for details) 1 year *For more detailed warranty information, see www.hp.com/support/inkjet_warranty...

NOTE This information is intended to be an easy-to-read summary of the full HP warranty statement. To read the full warranty statement, go to www.hp.com/support/inkjet_warranty and select your supply. Is your product covered under warranty? If you believe your ink supply or printhead is defective, y...

See Expiration date (Y-M-D) located in the Ink Cartridge Status section of the configuration page.See Printing a configuration page . ● Expiration has nothing to do with the product warranty. For information about the warranty onyour ink cartridge, see www.hp.com/support/inkjet_warranty . ● Expirati...

8 Printer lights reference The printer lights indicate printer status and are useful for diagnosing printing problems. This sectioncontains information about the printer lights, what they indicate, and what action to take if necessary. Control panel lights 1 Power button and light 2 Cancel button 3 ...

Interpreting control panel lights This section briefly explains some of the messages that might appear on the printer lights display. Printer light indication Explanation and recommended action No lights are on. The printer is off. ▲ Press (Power button). The Power light is on. The printer is ready....

Printer light indication Explanation and recommended action button) three times. All lights exceptthe Power light go off. Damage that results to the printer from using thiscartridge is not covered under thewarranty. The Power light blinks. All control panel lights are on. One or more printer errors ...

Physical specifications For media and media-handling specifications, see Selecting print media . Available models and physicaldimensions Size (width by depth by height) 610 by 376.8 by 205 mm (24 by 14.8by 8.1 inches) ▲ With duplex unit: 610 by 524.8 by205 mm (24 by 20.6 by 8.1 inches) Weight (does ...

Product features and capacities For media and media-handling specifications, see Selecting print media . Connectivity ● IEEE 1284-compliant bidirectionalparallel (all models) ● USB 2.0-compliant full speed (allmodels) ● Embedded 10/100BT (includedwith HP Officejet Pro K850dn ColorPrinter) Print meth...

Processor and memory specifications For media and media-handling specifications, see Selecting print media . Device processor ▲ Motorola 32-bit ColdFire 4e RISC(256 MHz) Device memory ● 32 MB built-in RAM ● 4 MB built-in Flash ROM 114 Chapter 9 Printer specifications ENWW

Operating system and network protocol specifications For media and media-handling specifications, see Selecting print media . Operating system compatibility ● Windows 98, Windows Me,Windows NT 4.0, Windows 2000,Windows XP ● Mac OS X v10.2, v10.3, and v10.4 System requirements (Minimum) Note: Graphic...

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

Environmental specifications For media and media-handling specifications, see Selecting print media . Operating environment Operating temperature 5° to 40° C (41° to 104° F) Recommended operating conditions 15° to 35° C (59° to 95° F) Recommended relative humidity 20 to 80 percent noncondensing Stor...

Electrical specifications For media and media-handling specifications, see Selecting print media . Power supply External universal power adapter Power requirements ● Input voltage: 100 to 240 VAC (+/–10 percent), 50/60 Hz (+/-3Hz) ● Output voltage: 32 Vdc, 2500 mA Maximum allowable power consumption...

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

FCC statement The United States Federal Communications Commission (in 47 cfr 15.105) has specified that thefollowing notices be brought to the attention of users of this product. This device complies with part 15 of the FCC rules. Operation is subject to the following twoconditions: (1) This device ...

Regulatory model number For regulatory identification purposes, your product is assigned a Regulatory Model Number. TheRegulatory Model Number for your product is SNPRC-0504 . The regulatory number should not be confused with the product name (HP Officejet Pro K850/K850dn Color Printer) or product n...

Power cord statement The power cord cannot be repaired. If it is defective, it should be discarded or returned to the supplier. 128 Chapter 10 Regulatory information ENWW

Declaration of conformity Manufacturer's Name: Hewlett-Packard Singapore (Pte) Ltd Manufacturer's Address: Imaging and Printing Manufacturing Operations Singapore 60 Alexandra Terrace, #07-01, The Comtech, Singapore 118502 declares, that the product Product Name: HP Officejet Pro K850/K850dn Color P...

Environmental sustainability program Hewlett-Packard is committed to providing quality products in an environmentally sound manner. HPcontinuously improves the design processes of its products to minimize the negative impact on theoffice environment and on the communities where products are manufact...

Recycling Design for recycling has been incorporated into this product: ● The number of materials has been kept to a minimum while ensuring proper functionality andreliability. ● Dissimilar materials have been designed to separate easily. ● Fasteners and other connections are easy to locate, gain ac...

Index A accessibility 4accessories duplex unit 10installing 9ordering 91part numbers 93warranty 101 accounting administrator tools available 34embedded Web server (EWS) 35 acoustic specifications 121Activity light 105, 109Add Printer installation, Windows 52 administrator tools administration tasks ...