Chapter 44-14NO : Replace the sensor.Wiring3) Is the wiring between the finisher controller PCB and stapler shift motor normal?NO : Repair the wiring.Stapler shift base4) Is there mechanical trapping in the path of the stapler shift base?YES : Repair the mechanism.Stapler shift motor (M105)/Finisher controller PCB5) Does it improve when the stapler shift motor is replaced?YES : EndNO : Replace the finisher controller PCB.4.4.1.8 E535;Swing motor error 0009-2594Swing home position sensor (PI105)1) Check the swing home position sensor. Does the sensor operate normally?NO : Replace the sensor.Wiring2) Is the wiring between the finisher controller PCB and swing motor normal?NO : Repair the wiring.Swing mechanism3) Is there any abnormality in the swing machanism?YES : Repair the swing mechanism.Swing motor (M106)/Finisher controller PCB4) Does it improve when the swing motor is replaced?YES : EndNO : Replace the finisher controller PCB.4.4.1.9 E537;Rear aligning plate motor error 0009-2595Rear aligning plate home position sensor (PI107)1) Check the rear aligning plate home position sensor. Does the sensor operate normally?NO : Replace the sensor.Wiring2) Is the wiring between the finisher controller PCB and rear aligning plate motor normal?NO : Repair the wiring.Rear aligning plate3) Is there mechanical trapping in the path of the aligning plate?YES : Repair the mechanism.Rear aligning plate motor (M104)/Finisher controller PCB4) Does it improve when the rear aligning plate motor is replaced?YES : EndNO : Replace the finisher controller PCB.