171List of Error Messages/Warning MessagesError Message Error Content HandlingXXXX ink level unknown("XXXX" is black, cyan, magenta, oryellow)The remaining ink level cannot bedetected.Replace with new ink tank. (P.95)Continuing to print with anemptied ink tank or with ink tanksnot supported by this product maydamage the printer.To continue printing, the inklevel detection function must bedisabled. Press the printer's pausekey for more than 5 seconds.After this, the ink tank's ink leveldetection will be disabled and thedisabling action will be logged.IMPORTANT• Printing with the ink level detection function disabled may damage the printer or cause errors. We cannot beheld responsible for malfunctions as a result of refilling the ink or installing unsupported ink tanks.• Once the ink level detection function is disabled, the ink level function cannot be restored for that ink tank.Replace with a new ink tank.Service Call ErrorError Message Error Content Error ContentService call error #**** An error that cannot be fixed bythe customer occurred.Turn the power off then on.If the same error occurs again, takenote of the message displayed(#****) and contact your place ofpurchase.