Canon MX720 Series - Problems with Faxing

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Problems with Faxing

Problems Sending Faxes

Problems Receiving Faxes

Cannot Send a Fax Clearly

Telephone Problems

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Online Manual1
Troubleshooting2
Problems with Network Communication3
Problems with Printing4
Problems with Printing Quality5
Problems with Scanning6
Problems with Faxing7
Problems with the Machine8
Problems with Installation/Downloading9
About Errors/Messages Displayed10
The Machine Cannot be Powered on11
Printing Does Not Start12
Paper Does Not Feed Properly/"No Paper" Error Occurs13
Print Results Not Satisfactory15
Ink Is Not Ejected17
Paper Jams18
If an Error Occurs19
Problems Sending Faxes20
Cannot Send a Fax20
Errors Often Occur When You Send a Fax21
Problems Receiving Faxes22
Cannot Receive a Fax, Cannot Print a Fax22
Machine Does Not Switch Automatically between Voice and Fax Calls23
Quality of Received Fax Is Poor23
Cannot Receive a Color Fax24
Errors Often Occur When You Receive a Fax24
Problems with the Machine While Using with Network26
The Machine Stopped Working Suddenly27
Printing Speed Is Slow29
Cannot Use the Machine on Replacing an Access Point or Changing Its Settings30
Cannot Detect a Machine on a Network31
Cannot Detect the Machine When Setting up Network Communication32
The Machine Cannot be Detected in the Wireless LAN45
The Machine Cannot be Detected in the Wired LAN47
Other Problems with Network48
Forgot an Access Point Name, SSID, or a Network Key49
How to Set a WEP/WPA/WPA2 Key49
The Message Is Displayed on the Computer Screen During Setup50
The Admin Password Set to the Machine was Forgotten51
Checking Information about the Network52
How to Restore the Machine's Network Settings to Factory Default54
Printing Does Not Start56
Cannot Print Properly with Automatic Duplex Printing60
Copying/Printing Stops before It Is Completed61
Cannot Print Properly from a Wireless Communication Device62
Cannot Print to End of Job66
No Printing Results/Printing Is Blurred/Colors Are Wrong/White Streaks67
White Streaks68
Lines Are Misaligned70
Printed Paper Curls or Has Ink Blots71
Paper Is Smudged/Printed Surface Is Scratched72
Back of the Paper Is Smudged76
Vertical Lines Are Printed on the Sides of the Printout77
Colors Are Uneven or Streaked78
Problems with Scanning81
Scanner Does Not Work83
Scangear (Scanner Driver) Does Not Start84
Error Message Appears and the Scangear (Scanner Driver) Screen Does Not Appear85
Cannot Scan Multiple Items at One Time86
Cannot Scan Properly with Auto Scan87
Slow Scanning Speed88
"There Is Not Enough Memory." Message Is Displayed89
Computer Stops Operating During Scanning90
Scanned Image Does Not Open91
Scan Results Not Satisfactory92
Scan Quality (Image Displayed on the Monitor) Is Poor93
Scanned Image Is Surrounded by Extra White Areas94
Cannot Scan at the Correct Size95
Item Is Placed Correctly, but the Scanned Image Is Slanted97
Scanned Image Is Enlarged (Reduced) on the Computer Monitor98
Cannot Send a Fax Clearly105
Telephone Problems106
Cannot Dial106
Telephone Disconnects During a Call106
Cannot Connect to Computer with a USB Cable Properly109
Cannot Communicate with the Machine with USB Connection110
LCD Cannot be Seen at All111
An Unintended Language Is Displayed on the LCD112
Print Head Holder Does Not Move to the Position for Replacing113
If the Output Tray Extension Comes off114
Problems with Bluetooth Communication115
Printer Cannot be Registered116
Printer List116
Cannot Install the MP Drivers119
Uninstalling IJ Network Tool120
A Message for Faxing Is Displayed on the LCD123
A Message Is Displayed126
Error Regarding Automatic Duplex Printing Is Displayed127
Error Message Appears on a Pictbridge Compliant Device129
If You Cannot Resolve the Problem131
Support Code List132
Support Code List (When Paper Is Jammed)133
Paper Is Jammed Inside the Machine148
In Other Cases151

Canon MX720 Series - Problems with Faxing

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