iv
5-4. Remedy for a Failed Updating of the Firmware ....................................... D-45
5-5. Moving the EEPROM .............................................................................. D-47
CONTROL PANEL/SERVICE MODE DESCRIPTIONS
1. CONTROL PANEL DESCRIPTIONS .............................................................. S-1
1-1. Names of Control Panel Parts and Their Functions ................................ S-1
2. FUNCTIONS OF SWITCHES AND PARTS ON PWBs ................................... S-3
2-1. Circuit Board Locations ........................................................................... S-3
2-2. PWB-P (Controller/Mechanical Control Board) ....................................... S-3
2-3. PWB-IF (Interface Board) ........................................................................ S-4
3. UTILITY MODE ............................................................................................... S-5
3-1. Utility Mode Function Tree ...................................................................... S-5
3-2. Utility Mode Setting Procedure ................................................................ S-6
(1) Machine Setting ............................................................................... S-6
(2) Paper Source Setting ...................................................................... S-8
(3) Copy Setting .................................................................................... S-8
4. SERVICE MODE ............................................................................................. S-9
4-1. Service Mode Function Tree ................................................................... S-9
4-2. Service Mode Setting Procedure ............................................................. S-11
4-3. Service Mode Functions .......................................................................... S-12
(1) Service's Choice .............................................................................. S-12
(2) Adjust ............................................................................................ S-14
(3) Counter ............................................................................................ S-17
(4) Display ............................................................................................ S-19
(5) Function ........................................................................................... S-19
(6) Fixed Zoom Change ........................................................................ S-21
(7) Factory Test .................................................................................... S-22
(8) Clear Data ....................................................................................... S-22
5. SECURITY MODE ........................................................................................... S-23
5-1. Security Mode Function Tree .................................................................. S-23
5-2. Security Mode Setting Procedure ............................................................ S-23
(1) Security ........................................................................................... S-23
TROUBLESHOOTING
1. INTRODUCTION ............................................................................................. T-1
1-1. Electric Components Check Procedures ................................................. T-1
(1) Sensors ........................................................................................... T-1
(2) Switches .......................................................................................... T-2
(3) Solenoids ......................................................................................... T-2
(4) Motors ............................................................................................ T-3
1-2. Overall Control Configuration .................................................................. T-5
2. PAPER MISFEED ........................................................................................... T-6
2-1. Initial Check Items ................................................................................... T-6
2-2. Paper Misfeed Displays ........................................................................... T-7
2-3. Locations of Misfeed Detection Sensors ................................................. T-8
2-4. Misfeed Detection Timing and Troubleshooting Procedures ................... T-9
(1) Paper Take-Up/Transport Misfeed .................................................. T-9
(2) Fusing/Exit Misfeed ......................................................................... T-10