Print Quality Problems | Canon MF55DD Series specs

Troubleshooting

9

Print Quality Problems

The print quality is not what you expect; print is not clear, has missing dots or white streaks.

QAre the size, thickness and type of the paper you are using within the speciﬁcations of the machine?

ACheck that the paper you are using is supported by the speciﬁcations of the machine. (See "Print Media Requirements," on p. 2-1.)

Q Is the cartridge installed correctly?

AMake sure the cartridge is installed correctly. (See "Install the cartridge," in the Set-Up Sheet.)

Q Is any toner left in the cartridge?

ASee "When to Replace the Cartridge," on p. 8-4,and replace the cartridge if necessary. (See "Replacing the Cartridge," on p. 8-14.)

Q Is the exposure adjusted correctly?

AAdjust the exposure correctly using [Exposure]. (See "Adjusting the Exposure (Density)," on p. 5-9.)

Copies are dirty.

Q Is the platen glass or the platen glass cover clean?

AClean the platen glass or the platen glass cover. (See "Cleaning the Scanning Area," on p. 8-2.)

Q Is the cartridge free of damage?

AIf there is a scratch on the cartridge, replace with a new one. (See "Replacing the Cartridge," on p. 8-14.)

QIs the machine adjusted to room temperature? If not, condensation might build up inside the machine.

AAllow at least 2 hours for the machine to adjust to room temperature before attempting to use it.

9-16Print Quality Problems

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Canon MF55DD Series manual Print Quality Problems

Contents

Canon Deutschland GmbH Canon Italia S.p.APage ImageCLASS MF5500 Series Basic Guide Software Installation and Instructions Manuals for the Machine How This Manual Is Organized Contents Printing from Your Computer Paper HandlingDocument Handling Copying Scanning MaintenanceSystem Monitor Appendix TroubleshootingMachine Settings Clearing Jams Keys Used in This Manual How to Use This ManualSymbols Used in This Manual Viii Illustrations Used in This Manual Legal Notices FCC Federal Communications Commission Cdrh Regulations Laser SafetyInternational Energy Star Program Disclaimers TrademarksCopyright Xii Xiii Important Safety Instructions Installation Power Supply Handling Maintenance and Inspections Page Consumables Other WarningsPage Introduction1 Customer Support Main Components of the Machine MF5550 Front View Platen glass cover Telephone line jack Power socketUSB port Face up cover External device jack Extension cover Operation Panel MF5550 MF5530 Scan Mode Copy ModeStandby Display Setting the Energy Saver Mode Manually Energy Saver ModePress Energy Saver Restoring from the Energy Saver Mode Manually 10Energy Saver Mode Print Media Requirements Paper Storage Acceptable Paper Unacceptable PaperCassette/Multi-Purpose Feeder Paper Printing AreasEnvelope Loading Paper Loading Paper in the Cassette Loading Paper Pinch and slide the width slide guides to ﬁt the paper stack Insert the cassette into the machine Loading Envelopes in the Cassette Specify the paper size ﬂaps should not bulge more than 13/64 5 mm Paper Handling Pinch and slide the width slide guides to ﬁt the envelopes Loading Paper in the Multi-Purpose Feeder Specify the paper type 12Loading Paper Loading an Envelope in the Multi-Purpose Feeder 14Loading Paper Orientation of the Document and the Paper Loading Selecting the Paper Output Area Face Down Paper Output Area Paper Type and Paper Output AreaPaper Type Paper Output Area Number of Output Sheets Face Up Paper Output Area Document Requirements Platen Glass Scanned Area of a Document Document Handling Placing a Document on the Platen Glass Setting Up DocumentsGently lower the platen glass cover Loading Documents in the ADF Document Handling Paper Path of the ADF Printing from Your Computer Before Printing On Windows XP On Windows 98/Me/2000 Printing Documents Specify the required settings click OK Click Print or OK Canceling PrintingClick Preference or Properties More Information 6More Information Copying Documents You Can Copy Copying Specifying the Paper Size and Type Specifying the Paper Size When Free Size is selected Press Stop/Reset to return to the standby displayWhen Envelope is selected Specifying the Paper Type Press or to select the appropriate paper type press Set Press To select the copy ratio Press Enlarge/ReducePress Copying Enlarging/Reducing Using Custom Copy Ratios Press Set Improving Copied Image Adjusting the Image Quality ResolutionPress Image Quality Press or to select the image quality Adjusting manually Adjusting the Exposure DensityPress Exposure Press or to select the exposure mode Adjusting automatically Load documents face up in the ADF Special FeaturesCollate Copy Press Collate/2on1 twice Place the ﬁrst page of a document on the platen glass Press StartPlace the next page of the document on the platen glass 12Special Features Scanning Before Scanning Scanning Methods Using Scan on the Operation PanelPlace the document face down on the platen glass More Information 4More Information Conﬁrming and Deleting a Print Job Checking the Status of Print and Fax JobsPress Status Monitor Press or to select Print press Set Press or to conﬁrm the fax/telephone number Conﬁrming and Deleting a Fax TX JobPress Status Monitor Press or to select FAX TX press Set If you want to delete the fax job, press Set System Monitor 4Checking the Status of Print and Fax Jobs Maintenance8 Periodic Cleaning Cleaning the Exterior Cleaning the Scanning Area Cleaning the ADF Area When to Replace the Cartridge Remove the cartridge from the machine If the copies appear normal Print YieldIf white streaks or light bands are still present Handling Precautions Handling and Storing the Cartridge Storing Partially Used Cartridges Clean Earth Campaign Canon Cartridge Recycling Program A. Program Maximum weight = 70 lb 31.8 kg Option A-2 Multiple Box Return Shipping Please call 1-800-OK-CANON Canada PROGRAM-CANADA Programme When to Replace the Cartridge Replacing the Cartridge Open the front cover Remove the new cartridge from its protective bag Arrow mark Close the front cover Repacking and Transporting Your Machine Carrying the Machine by the Sides Transporting the Machine by Car Clearing Jams Removing Jammed Paper from Inside the Machine Troubleshooting Remove the cartridge 4Clearing Jams Troubleshooting 6Clearing Jams Removing Jammed Paper from the ADF Open the ADF and gently remove the jammed paper from the ADF 8Clearing Jams LCD Messages Check Printer Incorrect Paper Size ↔ Cass Paper Mismatch Xxx stands for a number Troubleshooting Paper Feeding Problems Paper Feeding Problems Troubleshooting Copying Problems Print Quality Problems Print Quality Problems Printing Problems Scanning Problems Is the energy saver mode off? General Problems If You Cannot Solve the Problem Product name MF5530/5550 Serial number 22If You Cannot Solve the Problem Press or to select the submenu you want to change Press Set Accessing the Machine Settings10-1 Machine Settings Name Descriptions Menu Descriptions10-3 Copy Settings Center 10-5 10-6Menu Descriptions Speciﬁcations Dimensions W × D × H Multiple Copies Power RequirementsPower Consumption Installation Space W × Symbols Index Index Appendix 11 T