HP DeskJet 840C Series

1
User’s Guide
Table of Contents
Navigating the User’s Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Setting Up Your Printer. . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Connecting your printer with a parallel printer cable. . . . . . . . . . . . . . . . . . .3
Setting up your printer with a USB Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
More information about your printer software . . . . . . . . . . . . . . . . . . . . . . . 26
Printing Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
How to choose paper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Finding the HP print settings box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
How to print on standard paper sizes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
How to print on different paper sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
How to print on both sides of the paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
How to create a mirror image of your document. . . . . . . . . . . . . . . . . . . . . 36
About color. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
About pictures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Beyond the Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Printing Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Printing Banners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Printing Photographs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Printing Labels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Printing Envelopes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Printing Transparencies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Printing Iron-On Transfers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Getting Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
HP Customer Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Appendices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
The HP DeskJet Toolbox. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Print cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Maintaining your printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Increasing printer performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Minimum printing margins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Supplies and accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Language Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Environmental Attributes of the DeskJet Printer. . . . . . . . . . . . . . . . . . . . . . .74

HP DeskJet 840C Series Specifications

General

Black print resolution	600 x 600 DPI
Print Technology	Inkjet
Functions	Print
Print Resolution	600 x 600 dpi
Copy Resolution	300 x 300 dpi
Scan Resolution	300 x 300 dpi

Summary

Setting Up Your Printer with a Parallel Cable

Connecting your printer with a parallel printer cable

Details on connecting the printer using a parallel cable for computer communication.

Print cartridges installation

Instructions for installing and handling the printer's ink cartridges during setup.

Loading paper into the printer

Guide on how to properly load paper into the printer's input tray.

Installing printer software

Steps for installing the necessary software for the printer on your computer.

Setting Up Your Printer with a USB Cable

USB Step 1: Unpack your printer

Initial steps for unpacking the printer when setting up a USB connection.

USB Step 2: Plug in the power

Instructions for connecting the printer's power adapter and cord.

USB Step 3: Insert print cartridges

Guide to installing ink cartridges for USB setup.

USB Step 5: Insert printer software CD

Instructions to insert the software CD into the computer for USB setup.

USB Step 7: Install USB and printer software

Steps for the Add New Hardware Wizard to install drivers.

USB installation troubleshooting

Troubleshooting guide for common USB connection issues.

Setting the HP DeskJet Printer as Default

Procedures to set the HP DeskJet printer as the default printing device.

Uninstalling printer software

Steps to remove the printer software from the computer.

Printing Basics

Paper types and specifications

Information on different types of paper suitable for the printer.

Printing on different paper sizes

Guide to printing on various paper dimensions, including custom sizes.

Two-sided printing

Instructions for enabling and performing duplex printing.

Mirror image printing

Steps to print a mirrored image, useful for iron-on transfers.

Grayscale printing

Instructions to print documents in grayscale to save ink or for monochrome copying.

Beyond the Basics

Printing Cards

Detailed steps for printing on index cards, recipe cards, and postcards.

Printing Banners

Guide on how to print large banners using specific banner paper.

Printing Photographs

Tips for printing high-quality photographs using appropriate paper.

Printing Labels

Instructions for printing on sheets of labels.

Printing Envelopes

Methods for printing single envelopes and stacks of envelopes.

Printing Transparencies

Guide for printing on transparency films for presentations.

Iron-On Transfers

Steps for printing images onto t-shirts using iron-on transfer paper.

Getting Help

HP Customer Care Online

Information on accessing online support, tips, and updates.

HP Customer Care User Forums

Details on using online forums for user support and suggestions.

HP Customer Care by Email

How to contact HP support via email for assistance.

HP Customer Care by Phone

Information and phone numbers for contacting HP support.

Extended Warranty Options

Options available for extending printer coverage beyond the limited warranty.

HP Customer Care Repair

Process for obtaining repair services for the HP printer.

Appendices

The HP DeskJet Toolbox

Introduction to the HP DeskJet Toolbox for printer maintenance.

Print cartridge replacement

Detailed instructions on how to replace printer cartridges.

Printer maintenance

Tips and procedures for general printer maintenance.

Improving printer performance

Advice on how to improve the printer's overall performance.

Printer margins

Information on setting and understanding printer margins.

System requirements

Specifications for computer hardware and software to run the printer.

Parts and supplies

List of printer parts, supplies, and their reorder numbers.

Ordering information

Details on how to order printer supplies and accessories.

Language codes

Codes used to locate language-specific files for the printer software.

Environmental attributes

Information regarding the printer's environmental impact and design.