Solve image-quality problems, Print problems | HP M1120 MFP manual

Solve image-quality problems

Print problems

Print quality problems

Occasionally, you might encounter problems with print quality. The information in the following sections helps you identify and resolve these issues.

General print-quality issues

The following examples depict letter-size paper that has passed through the product short-edge-first. These examples illustrate problems that would affect all of the pages that you print. The topics that follow list the typical cause and solution for each of these examples.

Problem	Cause	Solution

Print is light or faded.

The media might not meet HP specifications.	Use media that meets HP specifications.

The print cartridge might be defective. If you	Replace the print cartridge. See Print
use a non-HP print cartridge, no messages	cartridge on page 73.
appear on the product control panel.	If the print cartridge is not low or empty,
	If the print cartridge is not low or empty,
	inspect the toner roller to see if the roller is
	damaged. If it is, replace the print cartridge.

			If the whole page is light, the print density	Adjust the print density, and disable
			adjustment is too light or EconoMode might	EconoMode in the product Properties.
			be turned on.

Toner specks appear.			The media might not meet HP specifications.	Use media that meets HP specifications.

			The paper path might need cleaning.	Clean the paper path. See Clean the paper
			The paper path might need cleaning.	Clean the paper path. See Clean the paper
				path on page 75.

Dropouts appear.

A single sheet of print media might be	Try reprinting the job.
defective.

The moisture content of the paper is uneven	Try different paper, such as high-quality
or the paper has moist spots on its surface.	paper that is intended for laser printers.

The paper lot is flawed. The manufacturing
processes can cause some areas to reject
toner.

			The print cartridge might be defective.	Replace the print cartridge. See Print
				cartridge on page 73.
				If the error persists, contact HP. See
				www.hp.com/support/LJM1120 or the
				support flyer that came in the product box.

Vertical streaks or bands appear			The print cartridge might be defective. If you	Replace the print cartridge. See Print
on the page.			are using a non-HP print cartridge, no	cartridge on page 73.
			messages appear on the product control
			panel.

90 Chapter 11 Problem solve

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HP M1120 MFP manual Solve image-quality problems, Print problems, Print quality problems, General print-quality issues

Contents

HP LaserJet M1120 MFP Series Page HP LaserJet M1120 MFP Series Copyright and License Trademark Credits Table of contents Paper and print media ConnectivityPrint tasks Scan CopyManage and maintain the product Appendix a Accessories and ordering information Problem solveAppendix B Service and support Appendix C Specifications Appendix D Regulatory information131 133 Viii Product basics Product comparison Base models Network models Product features Front view Product walkaroundBack view Interface ports Serial number and model number location Easy installation for Windows Advanced installationSupported operating systems Supported product software Supported printer drivers Macintosh software Enww Control panel Setup/OK button Control-panel walkaround Control-panel menus Use the control-panel menusControl-panel main menus Menu item Sub-menu item Description Menu Item Description Software for Windows Supported operating systems for Windows Priority for print settingsPrinter driver Operating System To change the settings for all Open the printer driver and change the print settingsTo change the device Software installation types for Windows Remove software for Windows Supported utilities for Windows Embedded Web server network models onlyStatus Alerts software Other Windows components and utilities Enww Use the product with Macintosh Priority for print settings for Macintosh Change printer-driver settings for MacintoshSoftware for Macintosh Supported operating systems for Macintosh Install Macintosh software for direct connections USB Software installation types for MacintoshInstall Macintosh software for networks network models only Supported utilities for Macintosh Embedded Web server network models only Use features in the Macintosh printer driver Create and use printing presets in MacintoshPrint Resize documents or print on a custom paper size Use the Services menu Print multiple pages on one sheet of paper in Macintosh Scan from the product and HP Director Macintosh Scanning tasksUse page-by-page scanning Scan to file Enww Connectivity Connect the product directly to a computer with USB Install the product on a network network models only Install the software for the network productSupported network protocols Connect the product to the network Enww Paper and print media Understand paper and print media use Size Dimensions Priority input tray Tray Supported paper and print media sizes Special paper or print media guidelines Media type Priority input tray Load paper and print mediaTray Configure trays Configure trays for copy jobs Print tasks Change the print driver to match the media type and size Supported paper types and tray capacity Get help for any print option Windows Cancel a print job Create booklets Change print-quality settingsChange print density Print on special media Use different paper and print covers Print a blank first Resize documents Select a paper sizeSelect a paper source Select a paper type Use watermarks Set the print orientationSave toner Print on both sides of the paper duplex printing On the Finishing tab, select Print on Both Sides Manually Print on both sides of the paper duplex printing Print multiple pages on one sheet of paper in Windows EconoMode Economy settingsArchive print Enww Copy Load originals Use copyOne-touch copy Multiple copies Cancel a copy job Adjust the default copy sizeReduce or enlarge copies Reduce or enlarge copies for the current job Copy settings Reduction/enlargement settingsAdjust the copy quality for the current job Adjust the default copy quality Clean the scanner glass Adjust the lighter/darker contrast settingAdjust the lighter/darker setting for the current job Adjust the default lighter/darker setting Define custom copy settings Change copy job print densityCopy onto media of different types and sizes Print or copy edge-to-edge Change the default media-size setting Restore the copy-settings defaultsChange the default media-type setting Copy a book Duplex two-sided copy jobs Copy photosCopy a two-sided original to a one-sided document Copying a two-sided original to a two-sided document Scan Scan by using HP LaserJet Scan Windows Scan by using other softwareLoad originals for scanning Use scan Canceling a scan job Scan from a TWAIN-compliant programScan from a WIA-compliant program Windows XP and Vista only Readiris Scanner resolution and color Scan settingsScan file format Resolution and color guidelines Clean the scanner glassSetting Recommended use Scan quality Enww Scan a book Scan a photo Manage and maintain the product Description How to print ConfigurationInformation pages Menu map Security features FeaturesEmbedded Web server network models only Secure the embedded Web server Manage supplies Check and order suppliesStore supplies HP policy on non-HP supplies Replace supplies Recycle suppliesRedistribute toner Print cartridge Enww Clean the paper path Clean the productClean the lid backing Firmware updates Clean the exterior Problem solve Problem-solving checklist Step Verification step Possible problems Solutions Number Does the product scan to the computer? Control-panel messages Alert and warning messagesAlert and warning message tables Control panel message Description Recommended action Critical error messages Critical error message-tablesFuser Error Turn off then on 54.1C Error Scanner ErrorEngine comm. Error Clear jams Control-panel display problemsCauses of jams Where to look for jams Clear jams from the input-tray areas Clear jams Enww Clear jams from the output bin Clear jams from the print-cartridge area Avoid repeated jams Solve image-quality problems Print problemsPrint quality problems General print-quality issues AaBbCc See Print cartridge on Media-handling problems Print-media guidelines Solve print-media problems Performance problems Paper and print media on Copy problems Prevent copy problemsClick Set as Default Printer Open the Printers or Printers and Faxes Image problems See Load paper and print media Copies are blank Sealing tape might not have been Solve scanned-image problems Scan problemsProblem Cause Enww Scan-quality problems Print-quality checklistPrevent scan-quality problems Solve scan-quality problems Enww Solve connectivity problems Solve direct-connection problemsNetwork problems network models only Resolve communication problems with the network Ping Solve common Windows problems Solve software problemsSolve common Macintosh problems Software troubleshooting Hardware troubleshooting Enww Accessories and ordering information Supplies Cable and interface accessoriesProduct name Description Part number Service and support Hewlett-Packard limited warranty statement Customer self repair warranty service Print cartridge limited warranty statement Online Services HP service agreementsHP Customer Care HP support and information for Macintosh computers HP Customer Care Extended warranty HP maintenance agreementsRepacking the device Specifications Electrical specifications Physical specificationsPower consumption Environmental specifications Sound Power Level Declared per ISO 9296Acoustic emissions Recommended Operating Storage Enww Regulatory information FCC compliance Environmental product stewardship program Plastics HP LaserJet print suppliesReturn and recycling instructions United States and Puerto Rico Material Safety Data Sheet Msds For more information PaperMaterial restrictions Non-US returns Enww Declaration of conformity Declaration of Conformity Safety statements Laser safetyCanadian DOC regulations EMI statement Korea Substances table China Laser statement for Finland六价铬 CrVI 溴溴苯 PBB Enww Enww Glossary Enww Index Enww PPC Enww WIA Msds Page CB537-90946* *CB537-90946