40931201TH Rev. 4 90 /4. ADJUSTMENTThis chapter explains the adjustment necessary when replacing a part. Adjustment is made bychanging a parameter value set in EEPROM on the controller PCB. A parameter is able to setwith the key operation on the operator panel. This printer has three kinds of the maintenancemode, it is required to select one of the maintenance mode necessary when replacing a part.4.1 Maintenance Modes And Functions• User maintenance modeTo enter the user maintenance mode, turn on the POWER switch while pressing the MENUkey.[Function]There are 14 functions as follows.• Menu reset • Y adjust• Hex dump • Duplex adjust• Drum counter reset • Select paper source command parameter• Resource Save (Second, Third, Front Tray)• Receive Buffer Size • Page placement• ECP mode Enable/Disable in the parallel interface• Operator panel menu disable • Setting• X adjust • Cleaning cycle• System maintenance modeNote: This mode is used only by service persons and it should not be released to the end-users.To enter the system maintenance mode, turn on the POWER switch while pressing theRECOVER key.[Function]There are 9 functions as follows.• Page count display• Page count printing enable/disable• Rolling ASCII continus prinitng• RS232C LOOP TEST• EEPROM reset• HSP ERROR recovery• HSP ERROR count display• HSP ERROR count reset• SIDM enable/disable
