Ricoh JP5800 Service Manual page 5

2.4 DRUM HOME POSITION DETECTION................................................... 2-14
2.5 TIMING CHART ....................................................................................... 2-15
2.6 ERROR DETECTION .............................................................................. 2-19
2.6.1 PAPER FEED ERROR DETECTION IN THE PAPER BANK ......... 2-19
3. INSTALLATION........................................................................... 3-1
3.1 INSTALLATION REQUIREMENTS............................................................ 3-1
3.1.1 REQUIRED ENVIRONMENTAL CONDITIONS................................ 3-1
3.1.2 ENVIRONMENTS TO AVOID........................................................... 3-1
3.1.3 POWER CONNECTION ................................................................... 3-1
3.1.4 ACCESS TO THE MACHINE ........................................................... 3-2
3.2 INSTALLATION PROCEDURE ................................................................. 3-3
3.2.1 ACCESSORY CHECK...................................................................... 3-3
3.1.2 INSTALLATION PROCEDURE ........................................................ 3-4
4. SERVICE TABLES...................................................................... 4-1
4.1 DIP SW, LED, VR, TP, AND FUSE TABLES............................................. 4-1
4.1.1 TEST POINTS .................................................................................. 4-1
4.1.2 DIP SWITCHES................................................................................ 4-1
4.1.3 POTENTIOMETERS ........................................................................ 4-1
4.1.4 LED'S................................................................................................ 4-2
4.1.5 FUSES.............................................................................................. 4-2
4.2 SERVICE CALL CODES ........................................................................... 4-3
4.3 SPECIAL TOOLS..................................................................................... 4-13
4.4 SERVICE PROGRAM MODE .................................................................. 4-14
4.4.1 ACCESS PROCEDURE ................................................................. 4-14
4.4.2 SERVICE PROGRAM TABLE ........................................................ 4-16
4.4.3 CLEARING THE FACTORY SETTINGS (SP7-1) ........................... 4-64
4.4.4 LOAD PROGRAM (SP8-20) ........................................................... 4-65
4.4.5 USER TOOLS................................................................................. 4-66
5. PREVENTIVE MAINTENANCE ................................................... 5-1
5.1 MAINTENANCE TABLE ............................................................................ 5-1
6. REPLACEMENT AND ADJUSTMENT........................................ 6-1
6.1 PAPER TRAY ............................................................................................ 6-1
6.1.1 PAPER TRAY REMOVAL................................................................. 6-1
6.1.2 PAPER FEED ROLLER AND PICK-UP ROLLER REMOVAL .......... 6-2
6.1.3 VERTICAL TRANSPORT UNIT REMOVAL ..................................... 6-2
6.1.4 TANDEM BACK PLATE DRIVE UNIT REMOVAL............................ 6-4
6.1.5 PAPER WIDTH SENSOR REPLACEMENT ..................................... 6-5
6.1.6 TRAY COVER REMOVAL ................................................................ 6-6
6.1.7 BOTTOM PLATE LIFT WIRE REPLACEMENT................................ 6-8
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