Canon BJC-55 Series, Service Manual

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2.2 Ink Cartridge
2.2.1 Ink cartridge handling
To prevent poor ink suction due to foreign matters on the ink filter of the print head
body, never touch the ink filter of the ink cartridge. When you remove the cap from
an ink cartridge, install the ink cartridge on the print head body immediately to
prevent clogging at the nozzles due to ink drying or foreign matters. Do not remove
the ink cartridge unless you are replacing it.
Do not use the protection cap removed from the ink cartridge to store the ink
cartridge. Install the ink cartridge in the print head immediately after unsealing the
pillow bag.
If clogging at the nozzles or poor ink suction occurs, horizontal white lines
appear in part of the printing. If cleaning does not restore proper printing,
you must replace the BJ cartridge.
1-7
BJC-50
Part 1: Safety and Precautions
Ink Inlets
Figure 1-6 Ink Inlet of the Ink Cartridge