When to Replace Ink Tank and Maintain Print Head 68Routine MaintenanceWhen to Replace Ink Tank and Maintain Print HeadWhen an ink tank is empty, it must be replaced.The BJ Status Monitor (Windows) or the BJ Print Monitor (Macintosh) will initially adviseyou of a low ink level. At this stage, you can still continue to print.Once an ink tank is empty, the BJ Status Monitor (Windows) or the BJ Print Monitor(Macintosh) will tell you to replace the ink tank. Attempting to print causes the POWERlamp to flash four times.á Replacing an Ink TankIf printing becomes faint or a specific colour is no longer printing, even though there is stillenough ink, the print head nozzles are probably clogged. Follow the procedures below toclean the nozzles.á Printing the Nozzle Check PatternIf the print quality is poorá Print Head CleaningIf the problem remainsá Print Head Deep CleaningIf print head deep cleaning does not resolve the problem, the print head may be worn out.Contact a Canon service representative.
