• Code: E531
• Description: There is a fault in stapling. Finisher-M1
  The stapler motor (M6) or the stapling home position sensor (S17) is faulty. The stapler harness is faulty. The stapler fails to leave the stapling home position sensor when the stapler shift motor has been driven for 0.5 sec, or does not return to the stapler home position sensor.

• Code: E531-0001
• Description: There is a fault in stapling. Finisher-N1/Saddle Finisher-N2
  The stapler motor (M6) or the stapling home position detecting switch (MS7) is faulty. The stapler does not leave the stapler shift position when the stapler shift motor has been driven for 0.5 sec.

• Code: E531-0002
• Description: There is a fault in stapling. Finisher-N1/Saddle Finisher-N2
  The stapler motor (M6) or the stapling home position detecting switch (MS7) is faulty. The stapler does not return from the stapler shift position when the stapler shift motor has been driven for 0.5 sec.

• Code: E532-0001
• Description: There is a fault in the shift of the stapler. Finisher-N1/Saddle Finisher-N2
  The stapler shift motor (M4) or the stapler shift home position sensor (PI7) is faulty. There is a fault in the path of the stapler shift base. The stapler shift base does not leave the stapler shift home position sensor when the stapler shift motor has been driven for 4 sec.

• Code: E532-0002
• Description: There is a fault in the shift of the stapler. Finisher-N1/Saddle Finisher-N2
  The stapler shift motor (M4) or the stapler shift home position sensor (PI7) is faulty. There is a fault in the path of the stapler shift base. The stapler shift base does not return from the stapler shift home position sensor when the stapler shift motor has been driven for 4 sec.

• Code: E535-0001
• Description: There is a fault in the swing mechanism. Finisher-N1/Saddle Finisher-N2
  The swing motor (M7) or the swing guide open sensor (PI18) is faulty. The swing guide closed switch does not go ON when the swing motor has been rotated in reverse for 1 sec.

• Code: E535-0002
• Description: There is a fault in the swing mechanism. Finisher-N1/Saddle Finisher-N2
  The swing motor (M7) or the swing guide closed switch (MS6) is faulty. The swing guide open switch does not go ON when the swing motor has been rotated in reverse for 1 sec.

• Code: E535-0003
• Description: There is a fault in the swing mechanism. Finisher-N1/Saddle Finisher-N2
  The safety area switch (MS3) or the swing guide switch 2 (MS6) is faulty. The swing guide closed switch is OFF when the tray 1/2 is in the OFF position of the safety area switch while the tray ascent/ descent motor is in operation.