"PRESS THE POWER KEY TO CLEAN"
- An ink cartridge is empty or an ink cartridge has not been inserted.
- The machine has not been used for approximately a month.
Check the ink cartridges. Switch on the sub power once a month.
For details on checking the ink cartridges, see the "User's Manual, Basic Edition." For details on measures when the printer is not in use for a prolonged period, see the "User's Manual, Maintenance Edition."