8Chapter 1 Basic Operation6 Maintenance cartridge warning lamp( P.192)8 Status lampThis lamp lights up or blinks when thereremains a small or no maintenancecartridge space to collect ink.Lit: The maintenance cartridge is fullor faulty.Blink: The maintenance cartridge isrunning out of space.Off: The maintenance cartridge freespace.This lamp lights up or blinks.On: Printing from the computer ispossible. (Online mode)Blink: The printer is processing oroperating (printing, cleaning, etc.)Off: Instructions and print data cannotbe received from the computer(offline mode) or Sleep mode.7 Error lamp ( P.230)Lights when an error occurs.Lit: An operator call error has occurred.Blink: A service call error has occurred.Important• Opening the ink tank door or maintenance cartridge door during printing will cause an error andsuspends printing. Do not open the ink tank door or maintenance cartridge door except whenreplacing an ink tank or maintenance cartridge or opening/closing the upper unit.• Never attempt to open the upper unit by force or hit the upper unit. This could damage the printeror result in poor print quality. Always open and close the upper unit slowly.