Replacing an Ink Tank37How Low Ink Setting WorksThe remaining ink volume display on the operation panel is a function that monitors how muchink is used, and indicates the remaining ink volume.When you reset the ink counter, it will assume that the ink tank is full regardless of how much inkactually remains. The reset is the only way to match the counter value with an actual ink volume.Reset the ink counter when installing a new ink tank. When the remaining ink volume is low;The ink volume remaining in the indicated tank is low. A new ink tank should beprepared. How to Display Low Ink Correctly• Reset the ink counter every time you install a new ink tank.The ink counter cannot work correctly unless you synchronize it with the actual inklevel. The ink counter can only be adjusted when it is reset at the time a new ink tankis installed.• Do not reset the ink counter of an ink tank in use.Synchronization of the counter and the actual ink level will not work properly.Important If you did not reset the counter when you installed the current ink tanks, thelow ink may not function correctly, until the next time you replace the ink tanks.Also, be sure to treat both counters separately. Refer to the section “The ? markis displayed beside the ink tank icon.” on page 39When the color ink volume is low; When the black ink volume is low;