Flashing; the cartridge is missing , and the correct one must be inserted as indicated in subsequent steps; Flashing exclamation mark; the cartridge is low on ink , and needs replacing at the earliest opportunity; the ink level may show up to 1 / 8 full, and for some CAD drawings this can be adequate for an appreciable time; Flashing pump; the cartridge is out of ink , and must be replaced before any further printing can be done; Flashing cross; the wrong cartridge is installed, and must be replaced before any further printing can be done. Replacing Ink Cartridges 33 The icons may be any of the following:
The cartridge is OK ; the approximate level of the ink is indicated—a full cartridge has the whole interior black; If the printer detects that an ink cartridge needs replacing, you will see a message with four icons (explained below), referring from left to right to the Cyan ( • ), Black ( • ), Magenta ( • ) and Yellow ( • ) cartridges. Replacing Ink Cartridges