Canon multipass c3000 Service Manual (en)

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C
Hold the BJ cartridge by its sides only. Do not touch the print head, the
sharp edges around the print head, the silver plate on the bottom of the
cartridge, or the silver metal or circuit area on its side.
Make sure the BJ cartridge holder is in its home position (at the right
side of the unit) when you are not using the C3000. If it is not in its
home position, press the CARTRIDGE button. Leaving it out of its
home position will dry out the print head on the cartridge.
Clean the print head when print quality is no longer satisfactory. See
“Cleaning and Testing the BJ Cartridge Print Head” for instructions.
If the print quality does not improve after five consecutive
cleanings, replace the ink tank or BJ cartridge.
Do not use a BC-21 Color BJ cartridge with either of its ink tanks
missing. Doing so can cause it to clog.
Do not remove the ink tanks from the BC-21 Color BJ cartridge
unnecessarily, or the ink in them may clog.
Never attempt to refill an empty cartridge.
Ink
Cartridge
BCl-21
Made  in
Japan
Black
Ink
Cartridge
BCl-21
Made  in
Japan
Color
Made in Japan
Color BJ
Cartridge
BC-21
PRINT HEAD
IB2-24