Chapter 77-357.1.5 Viewing PRINT INF 0023-2569iPF765 / iPF760 / iPF750 / iPF755a) PRINT INF item detailThe details of each PRINT INF item displayed when performing [SERVICE MODE] > [DISPLAY] > [PRINTINF] are as follows:Print item Print content Printed valueSYSTEM S/N Serial number of printer characters/numerals of 8-byteTYPE Type setting on main controller PCB 36LF TYPE Feed roller type 0: old type roller1: new type rollerTMP Ambient temperature Unit: Centigrade degreeRH Ambient humidity Unit: %SIZE LF Detected size of loaded media (feed direction) mm (0 is always detected for the roll media.)SIZE CR Detected size of loaded media (carriage scan direction) mmAFTER INST. Number of days since initial installation Unit: Day(s)HEAD S/N Serial number of printhead characters/numerals (8 digits)LOT Lot number of printhead characters/numerals (8 digits)INK BK, MBK, MBK2,C, M, YNumber of days passed since the ink tank was installed Unit: DaysWARNING 01-20 Warning history (up to 20 events) Number: Lowest is the most recentDate: mm/ddTime: mm/ssCode: Last 4 digitsCumulative number of printed media (equivalent of A4)ERROR 01-20 Error history (up to 20 events) Number: Lowest is the most recentDate: mm/ddTime: mm/ssCode: Last 4 digitsCumulative number of printed media (equivalent of A4)