Canon BJC-620 User Manual

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The most basic problems you may encounter are "the printer does not 
print" and "your print quality is not satisfactory."

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Check all your cable connections 

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Check your Microsoft Windows Printing System setup 

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Check your computer configuration 

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Clean the print head unit 

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Clean the print head unit five times 

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Replace the ink tanks 

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The first time you turn on the printer, it performs an initialization 
process and flushes the print head unit to make sure the nozzles are 
clear. This takes approximately three minutes. It is done only once - the 
first time you turn on the printer. 

As the printer flushes the print head unit, various lights flash and then 
stay on. These lights indicate where the printer is in the cleaning 
process.

If a print head unit error occurs when you turn in the printer, the orange 
ERROR light and one or more PRINT MODE lights flash. Follow 
these steps:

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Press the POWER button to turn off the printer. 

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Unplug the printer. 

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Wait ten seconds and then reattach the power cord. 

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Remove the ink tanks. 

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Chapter 5