ContentsContents5.1 User Maintenance............................................................................................................................................... 5-15.1.1 User Maintenance (Finisher Unit) ............................................................................................................... 5-15.2 Maintenance and Inspection ............................................................................................................................... 5-25.2.1 Periodically Replaced Parts......................................................................................................................... 5-25.2.1.1 Periodically Replaced Parts (Finisher Unit) ......................................................................................... 5-25.2.2 Durables....................................................................................................................................................... 5-25.2.2.1 Durables (Finisher Unit)....................................................................................................................... 5-25.2.3 Periodical Servicing .................................................................................................................................... 5-35.2.3.1 Periodical Servicing (Finisher Unit)..................................................................................................... 5-35.3 Adjustment ......................................................................................................................................................... 5-45.3.1 Adjustment at Time of Parts Replacement.................................................................................................. 5-45.3.1.1 Adjusting the Alignment Position ........................................................................................................ 5-45.3.1.2 Adjusting the Staple Position ............................................................................................................... 5-45.4 Troubleshooting.................................................................................................................................................. 5-65.4.1 Error Code ................................................................................................................................................... 5-65.4.1.1 E500;Communication error ............................................................................................................... 5-65.4.1.2 E505;Backup RAM error................................................................................................................... 5-65.4.1.3 E514;Rear end assist motor error ...................................................................................................... 5-65.4.1.4 E519;Gear change motor error .......................................................................................................... 5-65.4.1.5 E530;Front aligning plate motor error............................................................................................... 5-75.4.1.6 E531;Staple motor error .................................................................................................................... 5-75.4.1.7 E532;Stapler shift motor error........................................................................................................... 5-75.4.1.8 E535;Swing motor error .................................................................................................................... 5-85.4.1.9 E537;Rear aligning plate motor error................................................................................................ 5-85.4.1.10 E540;Tray 1 shift motor error.......................................................................................................... 5-95.4.1.11 E542;Tray 2 shift motor error.......................................................................................................... 5-95.4.1.12 E584;Stack ejection motor error...................................................................................................... 5-95.5 Outline of Electrical Components .................................................................................................................... 5-115.5.1 Sensors (Finisher Unit).............................................................................................................................. 5-115.5.2 Microswitches (Finisher Unit)................................................................................................................... 5-135.5.3 Solenoids (Finisher Unit) .......................................................................................................................... 5-145.5.4 Motors (Finisher Unit)............................................................................................................................... 5-155.5.5 Clutches (Finisher Unit) ............................................................................................................................ 5-165.5.6 PCBs (Finisher Unit) ................................................................................................................................. 5-175.6 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB ......................................... 5-195.6.1 Overview ................................................................................................................................................... 5-195.6.2 Finisher Controller PCB ............................................................................................................................ 5-195.7 Upgrading ......................................................................................................................................................... 5-205.7.1 Upgrading (Finisher Unit) ......................................................................................................................... 5-205.8 Service Tools.................................................................................................................................................... 5-285.8.1 Solvents and Oils....................................................................................................................................... 5-28