The ink cartridge needs to be replaced if the printed text becomes scratchy or faint even if you have cleaned the ink jet nozzle. Replace the ink cartridge according to the follow procedure below.
Solution
To replace the ink cartridge, turn the scanner OFF before removing the Maintenance Cover. After the new ink cartridge has been installed, replace the Maintenance Cover, and then turn the scanner back ON.
Hook your finger around the open lever and open the Maintenance Cover.
Remove the Imprinter Cover.
Squeeze in both sides of the print position adjustment lever and move the print cartridge carriage to its lowest position.
Push back the ink cartridge lock lever in the direction of the arrow in the diagram below, and pull out the ink cartridge by grasping the tab as shown in the diagram.
Do not touch the ink jet nozzle right after imprinting. The nozzle may be very hot.
Place the ink cartridge shown in the diagram below.
Do not touch the electrical contact on the carriage. Doing so may cause a malfunction.
Push down the ink cartridge until it clicks into place.
Make sure that the ink cartridge lock lever locks the ink cartridge into the correct position.
Squeeze the Print Position Adjustment Lever and move it to adjust the print position.
Top: 50.5 mm (1.99") from the bottom edge of the document
Middle: 47 mm (1.85") from the bottom edge of the document
Bottom: 43.5 mm (1.71") from the bottom edge of the document
If the ink head drops back when installed, the two ink cartridge pins will not fit into the holes on the carriage. Push back the ink cartridge lock lever (1) in the direction of the arrow and reset the cartridge in the correct position (2).
Set the ink cartridge.
Carefully replace the Imprinter Cover.
Gently close the Maintenance Cover until it clicks into place.
Start Windows and log in as a user with administrator rights.
Click the Start button, and then click [All Programs], [CANON CR-L1], and [Canon imageFORMULA Utility].
The imageFORMULA Utility starts.
Click [CANON CR-L1 USB] and click [Properties].
Scanner properties are displayed.
Click the [Maintenance] tab and then click [Reset].
Click [OK] to close the scanner properties.
You can reset the Residual ink from the Scanning Utility. Click [About], and then click [Reset] on the setting dialog box.