41356801TH Rev.1 73 /4. ADJUSTMENTThis chapter provides explanations concerning the adjustment necessary when replacing a part. Theadjustment is made by changing the parameter value set in EEPROM on the main control board. Theparameter can be set by the key operation from the operator panel. This printer has three kinds ofmaintenance modes, and it is necessary to select one of the modes when replacing any parts.4.1 Maintenance Modes and Functions4.1.1 User Maintenance ModeTo enter into the user maintenance mode, turn the POWER switch on while holding the MENU key down.FunctionThere are fourteen functions as follows:• Menu reset(See Table4-1) • Opepane menu disable• Hex dump • X-adjust• Drum counter reset • Y-adjust• Resourse Save • 2nd Tray• Recieve buffer • Place page Command• ECP disable • Setting• Jam Recovery (Print Performance for continuous)• Power Save disableDetailed descriptions of these functions are provided in Appendix E, DIAGNOSTICS TEST.4.1.2 System Maintenance ModeNote: This mode is used only by maintenance personnel and it should not be released to the end-users.To enter into the system maintenance mode, turn the POWER switch on while holding theRecover keydown.FunctionThere are seven functions as follows:• Page count display • Loop test• Page count printing enable/disable • EEPROM reset• Rolling ASCII continues printing • SIDM enable/ disable• DRAM Memory Check modeDetailed descriptions of these functions are provided in Appendix E, DIAGNOSTICS TEST.
