Canon MP730 Copy quality is poor or documents are printed with streaks, Cannot scan a document

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Copy quality is poor (or documents are printed with streaks).

1.Are you copying a document or photograph printed from your machine?

Image quality may be poor when you copy a document or photograph printed from your machine. Try

 

printing the photograph from the memory card, or the document from your computer.

2.

Clean the scanning area ( User’s Guide) and the Fax Model ADF area ( User’s Guide).

3.

Clean the printhead ( p. 9-4).

4.

Does the LCD show the correct type of print media loaded?

 

If not, set the print media type ( p. 2-4).

5.

Is the image quality displayed in the LCD suitable for the document?

 

If not, set an image quality suitable for the document ( p. 5-2).

 

 

 

 

 

 

 

 

 

 

 

Image quality

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100% LTR

TEXT

 

 

 

 

 

 

 

PLAIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Print media type

 

 

 

 

 

 

 

Problems scanning

See below if you have problems scanning a document to your computer from the machine.

Cannot scan a document.

1.Is there anything displayed in the LCD? If nothing is displayed, see p. 10-14.

2.Is the Alarm light blinking? If it is blinking, see p. 10-18.

3.Is the document loaded correctly?

Check that the document is loaded correctly on the platen glass or Fax Model ADF ( p. 2-2).

4.Restart the computer.

5.If using a USB hub or repeater, try connecting the USB cable directly to the computer.

If you can scan documents successfully after connecting the USB cable directly to the computer, the USB hub or repeater may be broken. Replace if necessary.

6.Are you using a USB 2.0-compatible USB hub?

If you are connecting a USB 2.0-equipped computer and the printer using a USB 2.0-compatible USB hub, you may not be able to scan. In this case, connect the USB cable directly to the computer.

If you want to connect the printer and computer via a USB 2.0-compatible hub, follow the steps below to modify the INI file. It is recommended that before opening the file in step 1 below, you make a backup copy of the file in another folder before making any changes to it.

1.Open the following file in Notepad or another text editor application. Windows 98/Me:

windows\system\CNCMP50.ini Windows 2000: winnt\system32\CNCMP50.ini Windows XP: windows\system32\CNCMP50.ini

2.Below the last line, add the following two lines, then save the file. Take care not to modify any other

parts.

[Scan]

ReadSize=16

7. Fax Model Is the [Select source] setting in the MP Toolbox, ScanGear MP, or WIA driver set correctly?

Choose between loading the document on the platen glass or ADF.

10-6

Troubleshooting

Chapter 10

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Contents Quick Reference Guide Preface Trademarks CopyrightQuick Reference Guide This guide How to use the documentation providedViewing the documentation on the CD-ROM Installing the Utility SoftwareReading the documentation To not copy the documentation to your computer To copy the documentation to your computerMachine Type conventionsMachine safely, always pay attention to these warnings Contents AppendixSpecifications TroubleshootingMachine settings Location Safety informationPower Supply Handling Maintenance Location Pre-installation requirements for Canon facsimile equipmentPower requirements Users in the U.S.AFCC Notice Connection of the equipmentCase of equipment malfunction Rights of the telephone companyUsers in Canada XVI Quick Reference Guide IntroductionUnpacking your machine Multi-purpose traySystem requirements Main components of the machine Operation panel of the machine @2Fax Model Redial/Pause key 4Scan key5Photo Print key 6Numeric keysIntroduction Document requirements Documents Print mediaDocuments Lift the document cover Place your document face down on Using the platen glassFax Model Using the ADF Loading documentsLoading requirements Print mediaSetting the print media size and type Setting the paper thickness leverUse 2 or 3 to select the print media type Loading print mediaUse 2 or 3 to select the print media size Press SetDocuments and print media Load paper in the printer Printing from yourComputer Printing documentsSetting the paper type and print quality/Main tab Print Advisor More informationGrayscale Printing Preview before printingPrinting from your computer -Basic operation Before printing from a memory card Photo printing from aMemory card Insert a memory card into the appropriate slot Inserting/removing a memory cardInserting a memory card Make sure the machine is onRemoving a memory card Select a printing method Printing methodsUse 2 or 3 to select Index Press Set Printing an indexLoad the correct print media in the multi-purpose tray Use 2 or 3 to select ALL Frames Press Set Printing all framesPress Start Use 2 or 3 to select borderless printing Use the numeric keys to enter the frame number Printing a single frameUse 2 or 3 to select Single Frame Press Set Use 2 or 3 to view your settings in the LCD Enabling/disabling overwriting memory card data Reading data from or writing data to a memory cardMore information Photo printing from a memory card -Basic operation Making copies Setting color or black & white copyingCopying Before copyingPress Exposure Use 2 or 3 to select the exposure Press Set Adjusting the image quality resolutionAdjusting the exposure density Press Image Quality Use 2 or 3 to select the image qualitySending a fax PC FaxingClick Send Now Characters and symbols for fax numbersCharacter/symbol Explanation Before sending faxes Sending faxes from your machineLetters Number Press Set twiceMemory sending Sending methodsUse 2 or 3 to select a one-touch speed dialing key 01 to Use 2 or 3 to select the resolutionSpeed dialing Registering one-touch speed dialingUse 2 or 3 to select Coded Speed Dial Press Set Registering coded speed dialingTo change or delete an entry Refer to the User’s Guide Press Menu Use 2 or 3 to select User Data Press Set twiceCoded speed dialing Using speed dialingOne-touch speed dialing Before receiving faxes to your machine Receiving faxes to your machineReceiving faxes manually Canceling receivingScanning methods Using the Scan key on the operation panelScanning Scanning -Basic operation Guidelines MaintenanceWhen to replace an ink tank Replacing ink tanksReplacing an ink tank If there is no improvement Flowchart of printhead maintenanceMaintaining the printhead Out correctlyPrinting the nozzle check pattern Cleaning the printheadPress Menu Use 2 or 3 to select Maintenance Press Set Use 2 or 3 to select the cleaning setting you wantPress T Aligning the printheadUse 2 or 3 to select Align Print Head Press Set Press Set Repeat steps 12 and 13 for column M Removal of the software was completed, but Canon remains TroubleshootingMP Drivers/MP Toolbox Cannot install the software 10-1Cannot print at all Cannot use the software after upgrading to Windows XPDevice Manager, green mark ? is displayed Windows Me Computer will not startPaper does not feed properly 10-3Cannot print to a shared printer Printing stops in the middlePrintout is rubbed or stained Meaningless characters and symbols are printingPaper curls White streaks appear on the printoutPrint the nozzle check pattern Maintaining the printhead, p 10-5Paper comes out but there is nothing copied on it Is the document loaded correctly?10-6 Copy quality is poor or documents are printed with streaksCannot scan a document Quit other open applications and try again If an error occurs when scanning an image in PhotoshopComputer has hung up or frozen Cannot scan correctly with multi-scan See below if you are having problems receiving faxesWhite margins appear around the scanned image White lines appear on the left side of the imageCannot receive a fax, cannot print a fax 10-9Cannot receive faxes automatically Cannot receive a fax in ECM modeRepeated errors occur when you receive a fax 10-10TroubleshootingFax sent is dirty or documents are printed with streaks Cannot send a fax in ECM modeCannot send a fax Memory card is not recognized Repeated errors occur when you send a faxCannot dial Telephone disconnects during a callUnplug/Eject icon does not appear Windows Removable disk does not appear in Windows ExplorerWindows Explorer, you cannot display Thumbnails Windows If nothing displays in the LCD if there is no power10-14Troubleshooting Removing jams from the machine’s interior If the power disconnects unexpectedlyRemoving jammed paper Removing jams in the paper output trayPaying attention to the following points, reload the paper Removing jammed documentsIf there are repeated paper jams Chapter Troubleshooting LCD messages If you cannot solve the problemIf the nozzle check pattern does not print properly Interpreting the messages11-1 Machine settingsPrinting a list to check the current settings Accessing the machine settings11-2 SettingsName Description Setting Details Function key CopyMM/DD/YYYY 11-315 SEC 11-433600bps 11-5 Switch11-6 Fax Model Menu Memory Reference Function key FaxFunction key Fax 11-7 Menu Photo Print Mode Function key Photo Print11-8 General specifications SpecificationsEnvelope printable areas Printable areasPaper printable areas Scanned area System requirements Ink specificationsBanner paper printable areas Copy specifications Print specificationsPhoto print specifications Fax Model Fax specifications Telephone specifications Scan specificationsIndex 2Index Index 4Index Limited Warranty-U.S. Only Carry-In/ Mail-In InstantExchange†Index Sending from computer problems 10-11 Index Chapter Quick Reference Guide
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