Chapter 77-97.1.3 Details of Service Mode 0023-2941iPF765 / iPF760 / iPF750 / iPF755This section provides details of the Service mode menu.a) DISPLAYDisplays and prints the printer information.1) PRINF INFPrints adjustment values in the User menu, [DISPLAY] and [COUNTER] parameters on A4-size or lager paper.When roll media is used, the layout is optimized according to the media width.2) SYSTEMDisplays the printer information shown below.3) HEADDisplays the following EEPROM information of the printhead.4) INKDisplays the numbers of days passed since installation of the following ink tanks.5) WARNINGDisplays the warning history (up to 20 events). The newest event has the smallest history number.6) ERRORDisplays the error history (up to 20 events). The newest event has the smallest history number.Display Description UnitS/N Serial number of printer -TYPE Type setting on main controller PCB* iPF765/760/755/750 is represented by 36".-LF TYPE Feed roller type: 0 or 1 -TMP Ambient temperature centigradedegreesRH Ambient humidity %SIZE LF Detected size of loaded media (feed direction)0 is always detected for the roll media.mm/inchSIZE CR Detected size of loaded media (carriage scan direction) mm/inchAFTERINST.Number of days since initial installation DaysDisplay DescriptionS/N Serial number of printheadLOT Lot number of printheadDisplay Description UnitBK Number of days passed since the BK ink tank was installed DaysMBK Number of days passed since the MBK ink tank was installed DaysMBK2 Number of days passed since the MBK ink tank was installed DaysC Number of days passed since the C ink tank was installed DaysM Number of days passed since the M ink tank was installed DaysY Number of days passed since the Y ink tank was installed Days