Canon BJC-6200 - Manual (Page 105)

105 Routine Maintenance
When to Replace a BJ Cartridge
If the printout appears streaked or blurred, open the front cover of the printer and visually
check the level of the ink in all the ink tanks. If remaining ink is low or has run out, replace
it.
Replacing Ink Tanks
If an ink tank runs out of ink, the printer may beep four times and the BJ
Status Monitor for Windows starts up to display a message to warn you that
an ink tank has run out of ink.
After you replace the ink tank(s), if there are still signs of poor quality in
your printing follow the procedure outlined in the flow chart on the next
page. Note