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Canon printer PIXMA MX300 User Manual

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Page 71

67 Routine Maintenance
„Replacing FINE Cartridges
When FINE Cartridges run out of ink, replace them using the following steps.
1Make sure that the machine is turned on, lift 
the Scanning Unit (Printer Cover) with both 
hands, then pull the Scanning Unit Support 
(A) down into place.
The FINE Cartridge Holder moves to the left.
Important
Handling FINE Cartridges
zDo not touch the electrical contacts or Print Head Nozzles on a FINE Cartridge. The machine 
may not print out properly if you touch it.
(A)...

Page 72

68Routine Maintenance
2Remove the empty FINE Cartridge.
(1)Push down the FINE Cartridge.
(2)Remove the FINE Cartridge.
3Prepare the replacement FINE cartridge.
(1)Unpack a new FINE Cartridge and remove the 
orange protective tape (A) gently.
CautionzDo not hold the FINE Cartridge Holder to stop or move it.
zDo not touch the metallic parts inside the machine.
Important
If the Scanning Unit (Printer Cover) is left open for more than 10 minutes, the FINE Cartridge 
Holder moves to the right. Close and...

Page 73

69
Routine Maintenance
4Install the FINE Cartridge.
(1) Insert a new FINE Cartridge all the way into 
the appropriate slot.
The Black FINE Cartridge should be installed 
into the left slot ( ) and the Color FINE 
Cartridge should be into the right slot ( ).
(2) Push up the FINE Cartridge until it clicks into 
place.
5Lift the Scanning Unit (Printer Cover) slightly to set the Scanning Unit Support back 
to its original position, and then gently close the Scanning Unit (Printer Cover).
Important
The...

Page 74

70Routine Maintenance
Keeping the Best Printing Results
To avoid drying of the Print Head and cl ogging of the nozzles, note the following.
„When You Turn Off the Machine
Follow the procedure below to turn off the machine.
(1) Press the  ON/OFF button to turn off the machine.
(2) Confirm that the  Power lamp has gone out.
This takes a few seconds or  as long as around 30 seconds.
(3) Unplug the power cord from the wall outlet.
If you are using a power outlet strip, you can switch it off instead.
When you...

Page 75

71 Routine Maintenance
Cleaning Your Machine
This section describes the cleaning procedure that is needed to maintain your machine.
„Cleaning the Exterior of the Machine
Be sure to use a soft cloth such as eyeglasses cleaning cloth and wipe off dirt on the surface 
with it gently. Smooth out wrinkles on the cloth if necessary before cleaning.
„Cleaning the Platen Glass and Document Cover
With a clean, soft, lint-free cloth, wipe the Platen Glass (A) and the inner side of the Document 
Cover (white sheet)...

Page 76

72Routine Maintenance
„Cleaning the Paper Feed Roller (Roller Cleaning)
Clean the paper feed roller if paper is not fed properly. Cleaning the paper feed roller will wear 
the roller, so perform this only when necessary.
1Make sure that the machine is turned on, and then remove any paper from the 
Rear Tray.
2Open the Paper Output Tray.
(1)Put your finger in the rounded indent beside the Paper Output Tray and open it gently.
(2)Open up and set the Output Tray Extension completely by pressing down the...

Page 77

73
Routine Maintenance
„ Cleaning the Inside of the M achine (Bottom Plate Cleaning)
This section describes how to clean the inside  of the machine. If the inside of the machine 
becomes dirty, printed paper may get dirty,  so we recommend performing cleaning regularly.
1Make sure that the machine is turned on, and then remove any paper from the 
Rear Tray.
2Open the Paper Output Tray.
(1)Put your finger in the rounded indent beside the Paper Output Tray and open it gently.
(2) Open up and set the Output...

Page 78

74Routine Maintenance
„Cleaning the Protrusions Inside the Machine
If protrusions inside the machine are stained, wipe off any ink from the protrusions using a cotton 
swab or the like.
Caution
Be sure to turn off the power and disconnect the power cord before cleaning the machine. 

Page 79

75
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 76
z “LCD Cannot Be Seen At All” on page 78
z “An Unintended Language Is Displayed on the LCD” on page 79
z “Cannot Install the MP Drivers” on page 80
z “Cannot Connect to Computer Properly” on page 81
z “Print Results Not Satisfactory” on page 82
z “The Print Result Not Satisfactory When Copying” on page 86
z...

Page 80

76Troubleshooting
An Error Message Is Displayed on the LCD
If an error message is displayed on the LCD, take the corresponding action described below.
MessageAction
CHECK INK
U051/U052/U053/U059 The FINE Cartridge may not be installed properly, or the Cartridge may not be 
compatible with this machine. Open the Scanning Unit (Printer Cover) and 
install the appropriate FINE Cartridge.
If the error is not resolved, the FINE Cartridge may be damaged. Contact your 
Canon service representative.
CHECK INK...
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