40931201TH Rev. 4 96 /4.1.2 System maintenance mode• The system maintenance mode is set when the power is turned ON while pressing theRecover key.• This mode adopts the menu for function selection.• The system maintenance mode is provided with the following functions:(1) Page count display• The total number of pages counted at the engine is displayed on the LCD.(2) Page count printing enable/disable• This function selects whether to include (enable) or exclude (disable) the total numberof printed pages counted at the engine at the time of menu printing.(3) Rolling ASCII continuous printing• The rolling ASCII pattern is printed continuously for various engine tests.• Press the ON-LINE key to cancel this mode.(4) RS232C LOOP TEST• Performs a loop test of RS 232C.(5) EEPROM reset• All EEPROM areas including Menu level-2 to the factory default values.Note) Subject items are indicated in "Table 4-1, Table 4-2".• Transition to the operation mode occurs upon completion of resetting.• Press the Menu key to update each category.The operation returns to the first category after updating the last category.(6) HSP ERROR recovery• Select HSP ERROR recovery function either recover or stop.(7) HSP ERROR count• Display total HSP ERROR count.(8) HSP ERROR count reset• Reset the HSP ERROR counter.(9) SIDM enable/disable• If it's selected disable, cannot select SIDM emulations by Menu.