Canon Pixma Mp550 User Guide

Advanced Guide > Troubleshooting 
Troubleshooting 
If an Error Occurs
The Machine Cannot Be Powered On
An Error Message Is Displayed on the LCD
LCD Cannot Be Seen At All
An Unintended Language Is Displayed on the LCD
Cannot Install the MP Drivers
Cannot Connect to Computer Properly
Print Results Not Satisfactory
Printing Does Not Start
Copying/Printing Stops Before It Is Completed
Machine Moves But Ink Is Not Ejected
Printing Speed Is Not as Fast as Expected
Print Head Holder Does Not Move to the...

Advanced Guide > Troubleshooting > If an Error Occurs
If an Error Occurs
When an error occurs in printing such as the machine is out of paper or paper is jammed, a
troubleshooting message is displayed automatically. Take  the appropriate action described in the
message. The message may vary depending on the version of your operating system.
In Mac OS X v.10.5.x:
In Mac OS X v.10.4.x or Mac OS X v.10.3.9: Page 762 of 877 pages
If an Error Occurs
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If an Error Occurs
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Advanced Guide > Troubleshooting > The Machine Cannot Be Powered On
The Machine Cannot Be Powered On
Check 1: Press the ON button.
Check 2: Make sure that the power plug is securely 
plugged into the
Power Cord Connector of the machine, then turn it b ack on.
Check 3: Unplug the machine from the power supply,  then plug the
machine back in and turn the machine back on after  leaving it for at
least 3 minutes. 
If the problem is not resolved, contact the service  center.
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Advanced Guide > Troubleshooting > An Error Message Is Displayed on the LCD
An Error Message Is Displayed on the LCD
If an error message is displayed on the LCD, take the corresponding action described below.
MessageAction
The following ink may have run out. 
Replacing the ink tank is
recommended. 
U041
If the lamp on the ink tank is flashing, ink may have run out.
Replacing the ink tank is recommended. 
If printing is in progress and you want to continue  printing,
press the machines OK
 button with the...

U150Install an appropriate ink tank.
Routine Maintenance
An ink tank error has occurred. (The lamp on the ink tank
is off.) 
Replace the ink tank.
Routine Maintenance
The following ink has run out. 
Replace the ink tank.
U163
Ink has run out. (The lamp on the ink tank flashes. )
Replace the ink tank and close the Scanning Unit (C over).
Routine Maintenance
Printing under the current condition may damage the
machine.
If you want to continue printing in this condition, you need to
release the function for...

have to turn on your device or select Play mode manually
after connecting the device to the machine. Perform 
necessary operations before connecting your device 
referring to its instruction manual. 
If the error is still not resolved, check if you ca n print another
photograph.
Failed to scan.
Check orientation/position and check
that platen/sheet is clean.

Scanning the print head alignment sheet has failed. 
Press the OK
 button to dismiss the error, then take the
actions described below.
Make sure...

Set to [Not writable from PC].You cannot print from the memory card or save the scanned
data to the memory card when the Card Slot is set t o
W ritable from PC. After writing on the memory card,  set to Not
writable from PC again.
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An Error Message Is Displayed on the LCD
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Advanced Guide > Troubleshooting > LCD Cannot Be Seen At All
LCD Cannot Be Seen At All
If the Power  lamp is off:
The machine is not powered on. Connect the power co rd and press the ON
 button.
If the 
Power  lamp is lit:
The LCD may be in the screen-saver mode. On the Ope ration Panel, press a button other than the 
ON  button.
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LCD Cannot Be Seen At All
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Advanced Guide > Troubleshooting > An Unintended Language Is Displayed on the LCD
An Unintended Language Is Displayed on the LCD
Select the language you want to be displayed according to the following procedure.
1.Press the HOME button and wait for about 5 seconds.
2.Select , and then press the 
OK button.
3.Press the  button to select , then press the 
OK button.
4.Press the  button 4 times, then press the 
OK button.
If the Bluetooth unit is connected to the machine,  press the 
 button 6 times, and...