Canon Pixma Mp520 Quick Start Guide

67
Troubleshooting
Troubleshooting
This section describes troubleshooting tips  for problems you may encounter when using the 
machine.
z “An Error Message Is Displayed on the LCD” on page 68
z “LCD Cannot Be Seen At All” on page 70
z “An Unintended Language Is Displayed on the LCD” on page 70
z “Cannot Install the MP Drivers” on page 71
z “Cannot Connect to Computer Properly” on page 72
z “Print Results Not Satisfactory” on page 73
z “The Print Result Not Satisfactory When Copying” on page 77
z...

68Troubleshooting
An Error Message Is Displayed on the LCD
If an error message is displayed on the LCD, take the corresponding action described below.
MessageAction
“There are no photos in memory card.”
zThere are no image data saved on the memory card that can be read by this 
machine.
z The machine may not recognize the file if the file name or the folder path 
contains certain characters. Use only alphanumeric characters.
z Photo data edited or processed on a computer must be printed from the...

69
Troubleshooting
“The device may be incompatible. 
Remove the device and check the 
manual supplied with the connected 
device.” z
A communication time out occurs if an operation takes too long or if it takes 
too much time to send data. This may cancel printing. In such cases, 
disconnect and reconnect the USB cable.
When printing from a PictBridge compliant device, depending on the model 
or brand of your device, you may have to select a PictBridge compliant print 
mode on the device before...

70Troubleshooting
LCD Cannot Be Seen At All
An Unintended Language Is Displayed on the LCD
CauseAction
The machine is not powered on or the 
LCD is in the screen-saver mode.zIf the Power lamp is off
The machine is not powered on. Connect the power cord and press the ON/ 
OFF button. The machine will power on and the LCD will display a message.
zIf the Power lamp is lit
The LCD may be in the screen-saver mode. On the Operation Panel, press a 
button other than the ON/OFF button.
CauseAction
The language...

71 Troubleshooting
Cannot Install the MP Drivers
CauseAction
Unable to proceed beyond the Printer 
Connection screen.If you were unable to proceed beyond the Printer Connection screen, follow 
the procedure below to reinstall the MP Drivers.
(1)Click Cancel on the Printer Connection screen.
(2)Click Start Over on the Installation Failure screen.
(3)Click Back on the screen that appears next.
(4)Click Exit on the PIXMA XXX screen (where “XXX” is your machine’s name), 
then remove the CD-ROM.
(5)Turn the...

72Troubleshooting
Cannot Connect to Computer Properly
„Printing Speed Is Slow / USB 2.0 Hi-Speed Connection Does Not Work
„“This device can perform faster” Message Is Displayed
CauseAction
Your system environment is not fully 
compatible with USB 2.0 Hi-Speed. If your system environment is not fully compatible with USB 2.0 Hi-Speed, the 
machine will operate at a lower speed provided under USB 1.1. In this case, the 
machine operates properly but printing speed may slow down due to 
communication...

73
Troubleshooting
Print Results Not Satisfactory
If the print result is not satisfactory such as  white streaks, misaligned lines, and uneven colors, 
confirm the paper and print quality settings first.
z Check 1: Do the page size and type settings match the size and type of 
the loaded paper?
When these settings are incorrect,  you cannot obtain a proper print result. If you are printing a 
photograph or an illustration, incorrect paper type  setting may reduce the quality of printout color. 
Also, if...

74Troubleshooting
„Printing Does Not Start/Printing Is Blurred/Colors Are Wrong/Straight 
Lines Are Misaligned
„ White Streaks
„ Printed Paper Curls or Has Ink Blots
CauseAction
Ink tank is empty. See “An Error Message Is Displayed on the LCD” on page 68 to identify the ink 
error, and then take the appropriate action depending on the error condition.
The protective film is remaining. Make sure all of the protective film is peeled off and the air hole is exposed, as  illustrated in (A). If the orange...

75
Troubleshooting
„ Printed Surface Is Scratched/Paper Is Smudged
CauseAction
Paper Feed Roller is dirty. Clean the Paper Feed Roller. Cleaning the Paper Feed Roller will wear the 
roller, so perform this procedure only when necessary.
For details on cleaning, see “Cleaning the Paper Feed Roller (Roller Cleaning)” 
on page 61.
Inside of the machine is dirty. When performing duplex printing may leave some ink inside the machine,  causing printouts to be smudged. In this case, perform Bottom Plate...

76Troubleshooting
„Colors Are Uneven or Streaked
Paper is curled. For Plain Paper
Turn the paper over and reload it to print on the other side.
Leaving the paper loaded in the Rear Tray for a long time may cause the paper 
to curl. If this happens, load the paper with the other side facing up. It may 
resolve the problem.
We recommend putting unused paper back into the package and keep them on 
a level surface.
For Other Paper
If you are using paper with either any of the corners or the whole printing...