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This chapter covers the care and maintenance required for your 
Canon BJC-620 Color Bubble Jet Printer. It includes:

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Printer guidelines 

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Cleaning the printer 

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Cleaning the print head unit 

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Replacing an ink tank 

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Replacing the print head unit 

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Transporting the printer 

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Follow these guidelines to avoid damage to your printer and 
harm to you or others:

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Set the printer on a stable surface. Do not use an angled 
printer stand. Avoid setting the printer in direct sunlight. 

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Keep the front cover closed when printing. 

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Do not set anything on top of the printer. 

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Always use a three-wire, grounded power receptacle 
(electrical wall outlet with three holes) for your printer’s 
power cord. Do not modify the cord or remove the 
ground pin. 

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Make sure the power is off any time you connect or 
disconnect the power cord or interface cable. 

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When unplugging the power cord, always remove it by 
holding the plug and not the cord. 

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Chapter 4